WO2002020130B1 - Filter structure with two or more layers of fine fiber having extended useful service life - Google Patents
Filter structure with two or more layers of fine fiber having extended useful service lifeInfo
- Publication number
- WO2002020130B1 WO2002020130B1 PCT/US2001/026045 US0126045W WO0220130B1 WO 2002020130 B1 WO2002020130 B1 WO 2002020130B1 US 0126045 W US0126045 W US 0126045W WO 0220130 B1 WO0220130 B1 WO 0220130B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- efficiency
- fine fiber
- layer
- substrate
- filter media
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/546—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
Abstract
Claims
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT01968055T ATE297798T1 (en) | 2000-09-05 | 2001-08-21 | FILTER STRUCTURE WITH TWO OR MORE FINE FIBER LAYERS WITH EXTENDED USAGE LIFE |
CNB018177174A CN1318121C (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
IL15457001A IL154570A0 (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
MXPA03001929A MXPA03001929A (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life. |
DE60111554T DE60111554T2 (en) | 2000-09-05 | 2001-08-21 | FILTER STRUCTURE WITH TWO OR MORE FINE FIBER LAYERS WITH EXTENDED SERVICE TIME |
KR1020037003222A KR100820748B1 (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
EP01968055A EP1326697B1 (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
AU2001288333A AU2001288333B2 (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
BR0113656-9A BR0113656A (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more long fiber thin layers |
CA002419849A CA2419849C (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
JP2002524604A JP5021142B2 (en) | 2000-09-05 | 2001-08-21 | Long-life filter structure with two or more layers of fine fiber |
IL154570A IL154570A (en) | 2000-09-05 | 2003-02-20 | Filter structure with two or more layers of fine fiber having extended useful service life |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23013800P | 2000-09-05 | 2000-09-05 | |
US60/230,138 | 2000-09-05 | ||
US09/871,156 US6746517B2 (en) | 2000-09-05 | 2001-05-31 | Filter structure with two or more layers of fine fiber having extended useful service life |
US09/871,156 | 2001-05-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2002020130A2 WO2002020130A2 (en) | 2002-03-14 |
WO2002020130A3 WO2002020130A3 (en) | 2002-11-28 |
WO2002020130B1 true WO2002020130B1 (en) | 2003-06-12 |
Family
ID=26923960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/026045 WO2002020130A2 (en) | 2000-09-05 | 2001-08-21 | Filter structure with two or more layers of fine fiber having extended useful service life |
Country Status (14)
Country | Link |
---|---|
US (1) | US6746517B2 (en) |
EP (1) | EP1326697B1 (en) |
JP (1) | JP5021142B2 (en) |
KR (1) | KR100820748B1 (en) |
CN (1) | CN1318121C (en) |
AT (1) | ATE297798T1 (en) |
AU (1) | AU2001288333B2 (en) |
BR (1) | BR0113656A (en) |
CA (1) | CA2419849C (en) |
DE (1) | DE60111554T2 (en) |
IL (2) | IL154570A0 (en) |
MX (1) | MXPA03001929A (en) |
RU (1) | RU2280491C2 (en) |
WO (1) | WO2002020130A2 (en) |
Families Citing this family (129)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
AU2007201000B2 (en) * | 2000-09-05 | 2008-07-03 | Donaldson Company, Inc. | Polymer fine fiber and fine fiber layer |
US6808553B2 (en) * | 2001-06-13 | 2004-10-26 | Nitto Denko Corporation | Filter medium for turbine and methods of using and producing the same |
GB0203524D0 (en) * | 2002-02-14 | 2002-04-03 | Soper Adrian J | Filtration device |
US20030208998A1 (en) * | 2002-05-10 | 2003-11-13 | U.F. Strainrite Corporation | Filter bag and method of manufacture thereof |
US20040038014A1 (en) * | 2002-08-20 | 2004-02-26 | Donaldson Company, Inc. | Fiber containing filter media |
JP4336651B2 (en) * | 2002-09-17 | 2009-09-30 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Extremely high liquid barrier cloth |
DE10245124A1 (en) * | 2002-09-27 | 2004-02-05 | Fibermark Gessner Gmbh & Co. Ohg | Multiple layer filter for liquids e.g. internal combustion engine fuels and hydraulic fluids, having high retention and good service life, includes a layer of fine, electro-spun fibre |
US8460790B2 (en) * | 2002-10-23 | 2013-06-11 | Toray Industries, Inc. | Nanofiber aggregate, polymer alloy fiber, hybrid fiber, fibrous structures, and processes for production of them |
DE10318053B4 (en) * | 2003-04-17 | 2008-08-14 | BLüCHER GMBH | Adsorption filter material with high adsorption capacity and low penetration behavior and its use |
US7008465B2 (en) * | 2003-06-19 | 2006-03-07 | Donaldson Company, Inc. | Cleanable high efficiency filter media structure and applications for use |
US20040266300A1 (en) * | 2003-06-30 | 2004-12-30 | Isele Olaf Erik Alexander | Articles containing nanofibers produced from a low energy process |
US8487156B2 (en) | 2003-06-30 | 2013-07-16 | The Procter & Gamble Company | Hygiene articles containing nanofibers |
US20040261381A1 (en) * | 2003-06-30 | 2004-12-30 | Mann & Hummel Gmbh | Filter element |
US8395016B2 (en) | 2003-06-30 | 2013-03-12 | The Procter & Gamble Company | Articles containing nanofibers produced from low melt flow rate polymers |
US20050026526A1 (en) * | 2003-07-30 | 2005-02-03 | Verdegan Barry M. | High performance filter media with internal nanofiber structure and manufacturing methodology |
US7294162B2 (en) * | 2003-11-04 | 2007-11-13 | Donaldson Company, Inc. | Exhaust filter |
CN102154913B (en) * | 2004-02-19 | 2015-05-06 | 东丽株式会社 | Nano-fiber synthetic papers, and production method thereof |
JP4706275B2 (en) * | 2004-02-27 | 2011-06-22 | 東レ株式会社 | Filters and filter elements |
US7789930B2 (en) | 2006-11-13 | 2010-09-07 | Research Triangle Institute | Particle filter system incorporating nanofibers |
EP1738006B1 (en) * | 2004-04-19 | 2011-03-02 | The Procter & Gamble Company | Articles containing nanofibers for use as barriers |
MXPA06012055A (en) | 2004-04-19 | 2007-01-25 | Procter & Gamble | Fibers, nonwovens and articles containing nanofibers produced from broad molecular weight distribution polymers. |
US20070289927A1 (en) * | 2004-07-13 | 2007-12-20 | Masterfil Llc | Filtration and filtration method for cooking oil used in frying process |
PL2308579T3 (en) | 2004-11-05 | 2016-06-30 | Donaldson Co Inc | Aerosol separator |
US7235122B2 (en) * | 2004-11-08 | 2007-06-26 | E. I. Du Pont De Nemours And Company | Filtration media for filtering particulate material from gas streams |
US7472576B1 (en) | 2004-11-17 | 2009-01-06 | State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Portland State University | Nanometrology device standards for scanning probe microscopes and processes for their fabrication and use |
US8092566B2 (en) * | 2004-12-28 | 2012-01-10 | E.I. Du Pont De Nemours And Company | Filtration media for filtering particulate material from gas streams |
US7717975B2 (en) * | 2005-02-16 | 2010-05-18 | Donaldson Company, Inc. | Reduced solidity web comprising fiber and fiber spacer or separation means |
WO2006112563A2 (en) * | 2005-04-20 | 2006-10-26 | Nanophil Co., Ltd. | Filter for air cleaning and its manufacturing method |
US20070062886A1 (en) * | 2005-09-20 | 2007-03-22 | Rego Eric J | Reduced pressure drop coalescer |
US7828869B1 (en) | 2005-09-20 | 2010-11-09 | Cummins Filtration Ip, Inc. | Space-effective filter element |
US8114183B2 (en) * | 2005-09-20 | 2012-02-14 | Cummins Filtration Ip Inc. | Space optimized coalescer |
US7674425B2 (en) * | 2005-11-14 | 2010-03-09 | Fleetguard, Inc. | Variable coalescer |
US7959714B2 (en) | 2007-11-15 | 2011-06-14 | Cummins Filtration Ip, Inc. | Authorized filter servicing and replacement |
US20070074628A1 (en) * | 2005-09-30 | 2007-04-05 | Jones David C | Coalescing filtration medium and process |
US8689985B2 (en) * | 2005-09-30 | 2014-04-08 | E I Du Pont De Nemours And Company | Filtration media for liquid filtration |
US20070084786A1 (en) * | 2005-10-14 | 2007-04-19 | General Electric Company | Filter, filter media, and methods for making same |
US7641055B2 (en) * | 2005-11-10 | 2010-01-05 | Donaldson Company, Inc. | Polysulfone and poly(N-vinyl lactam) polymer alloy and fiber and filter materials made of the alloy |
CZ297697B6 (en) * | 2005-11-10 | 2007-03-07 | Elmarco, S. R. O. | Filter for removing physical and/or biological contaminants |
US8231752B2 (en) * | 2005-11-14 | 2012-07-31 | Cummins Filtration Ip Inc. | Method and apparatus for making filter element, including multi-characteristic filter element |
JP2009517554A (en) * | 2005-11-28 | 2009-04-30 | ユニヴァーシティ・オヴ・デラウェア | Process for producing polyolefin microfiber by electrospinning and produced fiber |
CN101313098B (en) * | 2005-12-22 | 2010-12-29 | 东丽株式会社 | Light-reflecting sheet |
JP2007222813A (en) * | 2006-02-24 | 2007-09-06 | Japan Vilene Co Ltd | Cylindrical filter |
US20070234968A1 (en) * | 2006-04-05 | 2007-10-11 | Sandra Jean Kersten | Pet grooming bag |
US20080017038A1 (en) * | 2006-07-21 | 2008-01-24 | 3M Innovative Properties Company | High efficiency hvac filter |
WO2008032388A1 (en) * | 2006-09-14 | 2008-03-20 | Dynic Corporation | Air filter material |
US20080070463A1 (en) * | 2006-09-20 | 2008-03-20 | Pankaj Arora | Nanowebs |
US8361180B2 (en) * | 2006-11-27 | 2013-01-29 | E I Du Pont De Nemours And Company | Durable nanoweb scrim laminates |
EP2111486A2 (en) * | 2007-02-14 | 2009-10-28 | Dow Global Technologies Inc. | Polymer or oligomer fibers by solvent-free electrospinning |
US7927540B2 (en) * | 2007-03-05 | 2011-04-19 | Bha Group, Inc. | Method of manufacturing a composite filter media |
US7942948B2 (en) * | 2007-03-05 | 2011-05-17 | Bha Group, Inc. | Filter element including a composite filter media |
US20080217241A1 (en) * | 2007-03-05 | 2008-09-11 | Alan Smithies | Composite filter media and methods of manufacture |
US20090071114A1 (en) * | 2007-03-05 | 2009-03-19 | Alan Smithies | Gas turbine inlet air filtration filter element |
US20080315465A1 (en) * | 2007-03-05 | 2008-12-25 | Alan Smithies | Method of manufacturing composite filter media |
US8308834B2 (en) * | 2007-03-05 | 2012-11-13 | Bha Group, Inc. | Composite filter media |
US8038013B2 (en) * | 2007-03-06 | 2011-10-18 | E.I. Du Pont De Nemours And Company | Liquid filtration media |
US8303693B2 (en) * | 2007-04-26 | 2012-11-06 | The Hong Kong Polytechnic University | Nanofiber filter facemasks and cabin filters |
US8343250B2 (en) * | 2007-05-02 | 2013-01-01 | E I Du Pont De Nemours And Company | Bag house filters and media |
CN101674872B (en) * | 2007-05-28 | 2013-01-09 | 花王株式会社 | Antifouling filter for ventilator or cooking range hood |
EP2155934A2 (en) * | 2007-05-30 | 2010-02-24 | Dow Global Technologies Inc. | High-output solvent-based electrospinning |
US8679216B2 (en) * | 2007-06-07 | 2014-03-25 | E I Du Pont De Nemours And Company | Process for forming a laminate of a nanoweb and a substrate and filters using the laminate |
US8002990B2 (en) * | 2007-07-27 | 2011-08-23 | Kx Technologies, Llc | Uses of fibrillated nanofibers and the removal of soluble, colloidal, and insoluble particles from a fluid |
US8978899B2 (en) * | 2007-08-01 | 2015-03-17 | Donaldson Company, Inc. | Fluoropolymer fine fiber |
US8986432B2 (en) * | 2007-11-09 | 2015-03-24 | Hollingsworth & Vose Company | Meltblown filter medium, related applications and uses |
CN101939072B (en) * | 2007-11-09 | 2017-04-05 | 霍林斯沃思和沃斯有限公司 | Meltblown filter medium |
AU2008326615B2 (en) * | 2007-11-20 | 2013-09-26 | Clarcor Inc. | Filtration medias, fine fibers under 100 nanometers, and methods |
US8453653B2 (en) * | 2007-12-20 | 2013-06-04 | Philip Morris Usa Inc. | Hollow/porous fibers and applications thereof |
TWI365102B (en) * | 2008-05-05 | 2012-06-01 | Ind Tech Res Inst | Nanofiber filter and method for manufacturing the same |
US8673040B2 (en) | 2008-06-13 | 2014-03-18 | Donaldson Company, Inc. | Filter construction for use with air in-take for gas turbine and methods |
US7922959B2 (en) * | 2008-08-01 | 2011-04-12 | E. I. Du Pont De Nemours And Company | Method of manufacturing a composite filter media |
US8512432B2 (en) * | 2008-08-01 | 2013-08-20 | David Charles Jones | Composite filter media |
US8206484B2 (en) * | 2008-08-13 | 2012-06-26 | Dow Global Technologies Llc | Process for producing micron and submicron fibers and nonwoven webs by melt blowing |
US8365925B2 (en) * | 2008-08-13 | 2013-02-05 | Dow Global Technologies Llc | Filter medium |
US11434068B2 (en) * | 2008-09-24 | 2022-09-06 | Restaurant Technologies, Inc. | Flame resistant filter apparatus and method |
AU2009310577B2 (en) | 2008-10-27 | 2016-03-10 | Sefar Bdh Inc. | Filter bag, pleatable filtration material therefore, and process of making same |
US9446340B2 (en) | 2008-11-07 | 2016-09-20 | Donaldson Company, Inc. | Air filter cartridge |
CN104107589B (en) * | 2008-12-09 | 2017-09-12 | 纳幕尔杜邦公司 | Filter for selectively removing bulky grain from particulate slurry |
WO2010096398A1 (en) * | 2009-02-17 | 2010-08-26 | Filtrona Richmond, Inc. | Multi-layer, fluid transmissive fiber structures containing nanofibers and a method of manufacturing such structures |
EP2408482A1 (en) | 2009-03-19 | 2012-01-25 | Millipore Corporation | Removal of microorganisms from fluid samples using nanofiber filtration media |
US8950587B2 (en) | 2009-04-03 | 2015-02-10 | Hollingsworth & Vose Company | Filter media suitable for hydraulic applications |
US8951420B2 (en) * | 2009-04-03 | 2015-02-10 | Hollingsworth & Vose Company | Filter media suitable for hydraulic applications |
US8523971B2 (en) * | 2009-05-07 | 2013-09-03 | The Hong Kong Polytechnic University | Multilayer nanofiber filter |
US20100314333A1 (en) * | 2009-06-10 | 2010-12-16 | Hollingsworth & Vose Company | Flutable fiber webs with low surface electrical resistivity for filtration |
US8236082B2 (en) | 2009-06-19 | 2012-08-07 | Hollingsworth & Vose Company | Flutable fiber webs with high dust holding capacity |
EP2292309A1 (en) | 2009-08-07 | 2011-03-09 | Ahlstrom Corporation | Nanofibers with improved chemical and physical stability and web containing nanofibers |
US8636833B2 (en) * | 2009-09-16 | 2014-01-28 | E I Du Pont De Nemours And Company | Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment |
DE102009050447A1 (en) * | 2009-10-23 | 2011-04-28 | Mahle International Gmbh | filter material |
US8679218B2 (en) | 2010-04-27 | 2014-03-25 | Hollingsworth & Vose Company | Filter media with a multi-layer structure |
CN108579207A (en) | 2010-08-10 | 2018-09-28 | Emd密理博公司 | Method for removing retrovirus |
US10155186B2 (en) | 2010-12-17 | 2018-12-18 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
US20120152821A1 (en) | 2010-12-17 | 2012-06-21 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
DE102011003585A1 (en) | 2011-02-03 | 2012-08-09 | Mahle International Gmbh | Urea filter material |
ES2886043T3 (en) | 2011-04-01 | 2021-12-16 | Emd Millipore Corp | Composite structures containing nanofibers |
KR102079481B1 (en) | 2011-09-21 | 2020-04-07 | 도널드선 컴파니 인코포레이티드 | Fine fibers made from polymer crosslinked with resinous aldehyde composition |
US9435056B2 (en) | 2011-09-21 | 2016-09-06 | Donaldson Company, Inc. | Fibers made from soluble polymers |
RU2477644C1 (en) * | 2011-11-07 | 2013-03-20 | Юрий Николаевич Филатов | Filtration material, method of its production and application |
DE102011086104A1 (en) * | 2011-11-10 | 2013-05-16 | Mahle International Gmbh | filter material |
RU2492912C2 (en) * | 2011-12-20 | 2013-09-20 | Федеральное государственное унитарное предприятие "Научно-исследовательский физико-химический институт им. Л.Я. Карпова" (ФГУП "НИФХИ им. Л.Я. Карпова") | Method of making polymer filtration material and filtration material |
WO2013121733A1 (en) * | 2012-02-15 | 2013-08-22 | パナソニック株式会社 | Air filter, air purifier provided with air filter, and method for producing air filter |
JP5978460B2 (en) * | 2012-05-25 | 2016-08-24 | パナソニックIpマネジメント株式会社 | AIR FILTER, AIR CLEANING APPARATUS HAVING THE AIR FILTER, AND ITS MANUFACTURING METHOD |
JP6089199B2 (en) * | 2012-02-15 | 2017-03-08 | パナソニックIpマネジメント株式会社 | Air filter and air purifier equipped with the air filter |
CN104066492B (en) * | 2012-02-15 | 2016-04-27 | 松下知识产权经营株式会社 | Air cleaner, there is the air cleaning unit of this air cleaner and the manufacture method of this air cleaner |
RU2477165C1 (en) * | 2012-03-14 | 2013-03-10 | Юрий Николаевич Филатов | Filtration material, method of its production and application |
DE102012215877B4 (en) | 2012-09-07 | 2022-01-13 | Mahle International Gmbh | filter element |
RU2537591C2 (en) * | 2013-01-29 | 2015-01-10 | Общество с ограниченной ответственностью "Инмед" | Method of production of nanofibres from aliphatic copolyamides by electroforming, composition of forming solution for this method, and method of modifying nanofibres produced by this method |
EP2964363B1 (en) | 2013-03-09 | 2018-10-10 | Donaldson Company, Inc. | Nonwoven filtration media including microfibrillated cellulose fibers |
KR102139254B1 (en) | 2013-03-09 | 2020-07-29 | 도널드선 컴파니 인코포레이티드 | Fine fibers made from reactive additives |
EP3903904A1 (en) | 2013-03-15 | 2021-11-03 | Donaldson Company, Inc. | Filter media and elements |
US9694306B2 (en) | 2013-05-24 | 2017-07-04 | Hollingsworth & Vose Company | Filter media including polymer compositions and blends |
US9474994B2 (en) | 2013-06-17 | 2016-10-25 | Donaldson Company, Inc. | Filter media and elements |
CN105392544B (en) | 2013-08-02 | 2017-12-15 | 康明斯过滤Ip公司 | Gradient nano fiber filter media |
GB201400990D0 (en) * | 2014-01-21 | 2014-03-05 | British American Tobacco Co | Filter materials and filters made therefrom |
EP3160612B1 (en) * | 2014-06-26 | 2023-09-13 | EMD Millipore Corporation | Fluid filtration device with enhanced dirt holding capacity |
US10343095B2 (en) | 2014-12-19 | 2019-07-09 | Hollingsworth & Vose Company | Filter media comprising a pre-filter layer |
DE102015002672A1 (en) * | 2015-03-03 | 2016-09-08 | Mann + Hummel Gmbh | Filter medium and filter element with a filter medium |
KR102206959B1 (en) | 2015-04-17 | 2021-01-25 | 이엠디 밀리포어 코포레이션 | Method of purifying a biological material of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode |
RU2607585C1 (en) * | 2015-11-16 | 2017-01-10 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Multilayer filtering and sorptive nonwoven material |
USD786935S1 (en) | 2015-11-20 | 2017-05-16 | Baldwin Filters, Inc. | Filter element |
RU2749977C2 (en) | 2016-04-06 | 2021-06-21 | Дональдсон Компани, Инк. | Thin fibers obtained by crosslinking at room temperature |
CN105664591B (en) * | 2016-04-21 | 2019-06-25 | 北京高鑫伟业滤清器有限责任公司 | Filtration members |
JP7313152B2 (en) * | 2016-05-13 | 2023-07-24 | ドナルドソン カンパニー,インコーポレイティド | Filter media, elements and methods |
US10898838B2 (en) | 2016-12-15 | 2021-01-26 | Hollingsworth & Vose Company | Filter media including adhesives |
US10543441B2 (en) | 2016-12-15 | 2020-01-28 | Hollingsworth & Vose Company | Filter media including adhesives and/or oleophobic properties |
US10913022B2 (en) | 2017-03-29 | 2021-02-09 | Knowlton Technologies, Llc | Process for utilizing a high efficiency synthetic filter media |
JP7424975B2 (en) | 2017-12-13 | 2024-01-30 | ドナルドソン カンパニー,インコーポレイティド | Oleophobic polyamide microfibers, methods, filter media and filter elements |
WO2020081437A1 (en) * | 2018-10-16 | 2020-04-23 | Cummins Filtration Ip, Inc. | Adhesive alloys and filter medias including such adhesive alloys |
BR112021020488A2 (en) | 2019-05-01 | 2022-02-15 | Ascend Performance Mat Operations Llc | Filter media comprising polyamide nanofiber layer |
EP4041431A1 (en) | 2019-10-08 | 2022-08-17 | Donaldson Company, Inc. | Filter media layers including mixed diameter fine fibers |
CN116194187A (en) | 2020-04-02 | 2023-05-30 | 唐纳森公司 | Filter media, composite materials, and mask systems using the same |
Family Cites Families (105)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US567399A (en) | 1896-09-08 | Machine chuck | ||
GB745030A (en) | 1952-12-11 | 1956-02-15 | Johnson & Johnson | Fibrous disposable fluid filter medium |
US2835341A (en) | 1954-10-25 | 1958-05-20 | Little Inc A | Filter construction |
US3251475A (en) | 1955-04-18 | 1966-05-17 | Fmc Corp | Fibrous filter body |
US2980204A (en) | 1959-08-04 | 1961-04-18 | United Gas Improvement Co | Apparatus for filtering gas |
US3102793A (en) | 1960-03-14 | 1963-09-03 | Chace Co W M | Thermostat metal |
GB969327A (en) | 1960-08-22 | 1964-09-09 | Ozonair Engineering Company Lt | Improvements in or relating to filter elements |
NL275608A (en) | 1961-03-06 | |||
US3258900A (en) | 1963-08-06 | 1966-07-05 | American Air Filter Co | Unit filter assembly |
US3387326A (en) | 1964-06-04 | 1968-06-11 | Du Pont | Apparatus for charging and spreading a web |
US3360598A (en) | 1964-12-28 | 1967-12-26 | Du Pont | Process of dry spinning an aromatic polycarbonamide fiber |
US3570675A (en) | 1967-01-05 | 1971-03-16 | Pall Corp | Back pressure resistant filter element |
US3591010A (en) | 1968-06-10 | 1971-07-06 | Pall Corp | Filter having a microporous layer attached thereto |
US3565979A (en) | 1968-09-18 | 1971-02-23 | Du Pont | Flash spinning |
US3755527A (en) | 1969-10-09 | 1973-08-28 | Exxon Research Engineering Co | Process for producing melt blown nonwoven synthetic polymer mat having high tear resistance |
US4143196A (en) | 1970-06-29 | 1979-03-06 | Bayer Aktiengesellschaft | Fibre fleece of electrostatically spun fibres and methods of making same |
US3745748A (en) | 1970-10-29 | 1973-07-17 | Johns Manville | Filtering process |
US3772136A (en) | 1971-04-20 | 1973-11-13 | Gen Mills Inc | Fibrous products from thermoplastic polyamide polymers |
US3839529A (en) | 1971-12-17 | 1974-10-01 | Standard Oil Co | Preparation of polyamide-imide filaments |
US3825380A (en) | 1972-07-07 | 1974-07-23 | Exxon Research Engineering Co | Melt-blowing die for producing nonwoven mats |
US3851023A (en) | 1972-11-02 | 1974-11-26 | Du Pont | Process for forming a web |
US4210615A (en) | 1973-05-23 | 1980-07-01 | Basf Aktiengesellschaft | Manufacture of thermoplastics fibrids |
US3994258A (en) | 1973-06-01 | 1976-11-30 | Bayer Aktiengesellschaft | Apparatus for the production of filters by electrostatic fiber spinning |
CH570493A5 (en) | 1973-08-16 | 1975-12-15 | Battelle Memorial Institute | |
US3888610A (en) | 1973-08-24 | 1975-06-10 | Rothmans Of Pall Mall | Formation of polymeric fibres |
US4032688A (en) | 1973-08-31 | 1977-06-28 | Pall Corporation | Seamless tubular nonwoven webs and filters thereof |
US4011067A (en) | 1974-01-30 | 1977-03-08 | Minnesota Mining And Manufacturing Company | Filter medium layered between supporting layers |
US4020230A (en) | 1975-10-03 | 1977-04-26 | The Dow Chemical Company | Microporous polyethylene hollow fibers and process of preparing them |
US4070519A (en) | 1976-04-27 | 1978-01-24 | Huyck Corporation | High temperature filter fabrics |
US4278623A (en) | 1977-01-11 | 1981-07-14 | Union Carbide Corporation | Ultra-fine fibers and method for making same |
US4148595A (en) | 1977-09-28 | 1979-04-10 | E. I. Du Pont De Nemours And Company | Coating for aerodynamic shield in apparatus for making non-woven web |
US4215682A (en) | 1978-02-06 | 1980-08-05 | Minnesota Mining And Manufacturing Company | Melt-blown fibrous electrets |
DE2960875D1 (en) | 1978-04-19 | 1981-12-10 | Ici Plc | A method of preparing a tubular product by electrostatic spinning |
MX152562A (en) | 1978-05-15 | 1985-08-29 | Pall Corp | IMPROVEMENTS TO THE PROCEDURE FOR PREPARING ALCOHOL INSOLUBLE, HYDROPHILIC AND UNCOATED POLYAMIDE RESIN MEMBRANES |
US4223101A (en) | 1978-07-17 | 1980-09-16 | Inmont Corporation | Method of producing fibrous structure |
EP0009941B2 (en) | 1978-10-10 | 1987-05-27 | Imperial Chemical Industries Plc | Production of electrostatically spun products |
US4290987A (en) | 1979-07-02 | 1981-09-22 | Celanese Corporation | Process for preparing microporous hollow fibers |
JPS56159314A (en) | 1980-05-09 | 1981-12-08 | Ube Ind Ltd | Preparation of polyimide fiber |
DE3381143D1 (en) | 1982-03-31 | 1990-03-01 | Toray Industries | ULTRA FINE KINDED FIBERS FIBERS, AND METHOD FOR PRODUCING THE SAME. |
US4468428A (en) | 1982-06-01 | 1984-08-28 | The Procter & Gamble Company | Hydrophilic microfibrous absorbent webs |
US4469606A (en) | 1982-07-26 | 1984-09-04 | Ciba-Geigy Corporation | Stabilization systems for fiber finishes |
US4594162A (en) | 1984-02-13 | 1986-06-10 | American Filtrona Corporation | Pleated filter and method and apparatus for fabricating same |
JPS6249922A (en) | 1985-08-28 | 1987-03-04 | Kurabo Ind Ltd | Multilayered filter element |
US4647952A (en) | 1985-11-13 | 1987-03-03 | The Mead Corporation | Phenolic developer resins |
US4824451A (en) | 1985-12-31 | 1989-04-25 | Kimberly-Clark Corporation | Melt-blown filter medium |
US5166246A (en) | 1986-01-06 | 1992-11-24 | General Electric Company | Polyetherimide-polyamide compositions |
US4650506A (en) | 1986-02-25 | 1987-03-17 | Donaldson Company, Inc. | Multi-layered microfiltration medium |
GB2189738B (en) | 1986-03-24 | 1989-11-15 | Ethicon Inc | Apparatus for producing fibrous structures electrostatically |
US4842924A (en) | 1986-08-25 | 1989-06-27 | Farris Richard J | Novel compositions based on reinforcement with microfibrillar networks of rigid-rod polymers |
US4929502A (en) | 1986-10-14 | 1990-05-29 | American Cyanamid Company | Fibrillated fibers and articles made therefrom |
US4915886A (en) | 1987-04-27 | 1990-04-10 | Cuno, Incorporated | Method of manufacturing nylon microporous hollow fiber membrane |
US4874399A (en) | 1988-01-25 | 1989-10-17 | Minnesota Mining And Manufacturing Company | Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) |
JPH01293102A (en) | 1988-05-23 | 1989-11-27 | Tokuyama Soda Co Ltd | Microporous hollow yarn membrane and its production |
CA1333820C (en) * | 1988-09-13 | 1995-01-03 | Masahiko Sekiya | Magneto-optical recording medium |
US4917942A (en) | 1988-12-22 | 1990-04-17 | Minnesota Mining And Manufacturing Company | Nonwoven filter material |
US5593768A (en) | 1989-04-28 | 1997-01-14 | Fiberweb North America, Inc. | Nonwoven fabrics and fabric laminates from multiconstituent fibers |
US4992515A (en) | 1990-01-09 | 1991-02-12 | Shakespeare Company | Nylon terpolymer crosslinked with melamine formaldehyde for coating sewing threads |
JP2975396B2 (en) | 1990-05-22 | 1999-11-10 | ダイニック株式会社 | Air filter material |
US5104537A (en) | 1990-07-20 | 1992-04-14 | Donaldson Company, Inc. | High pressure hydraulic spin-on filter |
US5082476A (en) | 1990-10-19 | 1992-01-21 | Donaldson Company, Inc. | Filtration arrangement and method |
US5843442A (en) | 1990-10-22 | 1998-12-01 | Corvas International, Inc. | Blood coagulation protein antagonists and uses therefor |
JPH04209875A (en) | 1990-12-05 | 1992-07-31 | Toyobo Co Ltd | Dyed knitted fabric of alternating knitting and its production |
US5306534A (en) * | 1991-03-22 | 1994-04-26 | Home Care Industries, Inc. | Vacuum cleaner bag with electrostatically charged meltblown layer |
JPH05184844A (en) * | 1991-07-23 | 1993-07-27 | Daikin Ind Ltd | Filter element |
US5176952A (en) | 1991-09-30 | 1993-01-05 | Minnesota Mining And Manufacturing Company | Modulus nonwoven webs based on multi-layer blown microfibers |
US5203201A (en) | 1991-12-20 | 1993-04-20 | Donaldson Company, Inc. | On-line web filtration efficiency test method |
US5269925A (en) | 1992-05-04 | 1993-12-14 | Exxon Research And Engineering Company | Filter comprising multiple layers of non-woven filter fabric of decreasing porosity |
US5753343A (en) | 1992-08-04 | 1998-05-19 | Minnesota Mining And Manufacturing Company | Corrugated nonwoven webs of polymeric microfiber |
US5273565A (en) | 1992-10-14 | 1993-12-28 | Exxon Chemical Patents Inc. | Meltblown fabric |
AU669420B2 (en) | 1993-03-26 | 1996-06-06 | Minnesota Mining And Manufacturing Company | Oily mist resistant electret filter media |
US5437910A (en) | 1993-07-21 | 1995-08-01 | Steinbeis Gessner Gmbh | Multi-ply filter lasminate/composite for manufacturing vacuum cleaner filter bags |
KR100336012B1 (en) | 1993-08-17 | 2002-10-11 | 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 | How to charge the electret filter media |
US5358638A (en) | 1993-08-27 | 1994-10-25 | Isp Investments Inc. | Multiple layer filter bag including abrasion-resistant material |
US5409513A (en) * | 1993-09-30 | 1995-04-25 | Basf Corporation | Apparatus for removing caprolactam emissions |
EP0648524A1 (en) | 1993-10-19 | 1995-04-19 | Millipore Corporation | Filter cartridge construction |
WO1995017236A1 (en) | 1993-12-22 | 1995-06-29 | Baxter International Inc. | Filtration media and device for filtering leukocytes |
US5674302A (en) | 1994-07-12 | 1997-10-07 | Nippondenso Co., Ltd. | Automobile filter element |
US5597645A (en) | 1994-08-30 | 1997-01-28 | Kimberly-Clark Corporation | Nonwoven filter media for gas |
EP0709410A3 (en) | 1994-10-26 | 1997-03-26 | Ocg Microelectronic Materials | Polymers |
DE69612368T2 (en) | 1995-01-12 | 2001-09-06 | Donaldson Co Inc | FILTER ELEMENT |
US5908598A (en) | 1995-08-14 | 1999-06-01 | Minnesota Mining And Manufacturing Company | Fibrous webs having enhanced electret properties |
US6171684B1 (en) | 1995-11-17 | 2001-01-09 | Donaldson Company, Inc. | Filter material construction and method |
US5672399A (en) * | 1995-11-17 | 1997-09-30 | Donaldson Company, Inc. | Filter material construction and method |
ES2202491T3 (en) * | 1995-12-26 | 2004-04-01 | Asahi Medical Co., Ltd. | FILTRATION MATERIAL FOR THE ELIMINATION OF LEUCOCITS. |
US5820646A (en) | 1996-04-26 | 1998-10-13 | Donaldson Company, Inc. | Inline filter apparatus |
USD425189S (en) | 1996-04-26 | 2000-05-16 | Donaldson Company, Inc. | Combined filter element and frame therefor |
US5672188A (en) * | 1996-05-28 | 1997-09-30 | Aaf International | High capacity filter media |
US5800586A (en) * | 1996-11-08 | 1998-09-01 | Johns Manville International, Inc. | Composite filter media |
US6048661A (en) | 1997-03-05 | 2000-04-11 | Shin-Etsu Chemical Co., Ltd. | Polymeric compounds, chemically amplified positive type resist materials and process for pattern formation |
US5853442A (en) | 1997-04-18 | 1998-12-29 | Donaldson Company, Inc. | Bolt connector assembly having retainer ring construction and reduced diameter shank portion |
CN1134280C (en) * | 1997-09-29 | 2004-01-14 | 唐纳森公司 | Filter material construction and method |
US6068799A (en) | 1997-10-01 | 2000-05-30 | 3M Innovative Properties Company | Method of making electret articles and filters with increased oily mist resistance |
US5895510A (en) | 1997-10-22 | 1999-04-20 | Dana Corporation | Air filter assembly |
US5980755A (en) | 1997-11-07 | 1999-11-09 | Rg, Delaware, Inc. | Methods and apparatus for monitoring a filter bed by differential pressure |
US6183536B1 (en) * | 1998-05-11 | 2001-02-06 | Airflo Europe, N.V. | Enhanced performance vacuum cleaner bag and method of operation |
US6123751A (en) | 1998-06-09 | 2000-09-26 | Donaldson Company, Inc. | Filter construction resistant to the passage of water soluble materials; and method |
DE19832611C2 (en) | 1998-07-21 | 2002-03-21 | Freudenberg Carl Kg | Vacuum Cleaner Bags |
US6090173A (en) | 1998-08-07 | 2000-07-18 | Donaldson Company, Inc. | Air filter assembly for filtering air with particulate matter |
FI107129B (en) * | 1998-10-01 | 2001-06-15 | Bki Holding Corp | Process for producing multilayer filter material and multilayer filter material |
JP2000140587A (en) * | 1998-11-16 | 2000-05-23 | Tonen Tapirusu Kk | Filter unit and dust-proof mask using filter unit |
US6156086A (en) * | 1999-03-22 | 2000-12-05 | 3M Innovative Properties Company | Dual media vacuum filter bag |
US6110249A (en) | 1999-03-26 | 2000-08-29 | Bha Technologies, Inc. | Filter element with membrane and bicomponent substrate |
DE29907699U1 (en) | 1999-04-30 | 1999-08-05 | Fibermark Gessner Gmbh & Co | Dust filter bag containing nanofiber fleece |
DE19919809C2 (en) | 1999-04-30 | 2003-02-06 | Fibermark Gessner Gmbh & Co | Dust filter bag containing nanofiber fleece |
US6322604B1 (en) * | 1999-07-22 | 2001-11-27 | Kimberly-Clark Worldwide, Inc | Filtration media and articles incorporating the same |
-
2001
- 2001-05-31 US US09/871,156 patent/US6746517B2/en not_active Expired - Lifetime
- 2001-08-21 AT AT01968055T patent/ATE297798T1/en not_active IP Right Cessation
- 2001-08-21 WO PCT/US2001/026045 patent/WO2002020130A2/en active IP Right Grant
- 2001-08-21 RU RU2003109758/15A patent/RU2280491C2/en active
- 2001-08-21 JP JP2002524604A patent/JP5021142B2/en not_active Expired - Lifetime
- 2001-08-21 IL IL15457001A patent/IL154570A0/en active IP Right Grant
- 2001-08-21 AU AU2001288333A patent/AU2001288333B2/en not_active Ceased
- 2001-08-21 CN CNB018177174A patent/CN1318121C/en not_active Expired - Lifetime
- 2001-08-21 MX MXPA03001929A patent/MXPA03001929A/en active IP Right Grant
- 2001-08-21 BR BR0113656-9A patent/BR0113656A/en not_active Application Discontinuation
- 2001-08-21 KR KR1020037003222A patent/KR100820748B1/en active IP Right Grant
- 2001-08-21 EP EP01968055A patent/EP1326697B1/en not_active Revoked
- 2001-08-21 DE DE60111554T patent/DE60111554T2/en not_active Expired - Lifetime
- 2001-08-21 CA CA002419849A patent/CA2419849C/en not_active Expired - Fee Related
-
2003
- 2003-02-20 IL IL154570A patent/IL154570A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU8833301A (en) | 2002-03-22 |
IL154570A (en) | 2007-06-03 |
US20020046656A1 (en) | 2002-04-25 |
AU2001288333B2 (en) | 2006-05-25 |
BR0113656A (en) | 2003-07-01 |
MXPA03001929A (en) | 2004-05-24 |
US6746517B2 (en) | 2004-06-08 |
CA2419849C (en) | 2009-12-15 |
WO2002020130A2 (en) | 2002-03-14 |
WO2002020130A3 (en) | 2002-11-28 |
RU2280491C2 (en) | 2006-07-27 |
EP1326697B1 (en) | 2005-06-15 |
CN1471421A (en) | 2004-01-28 |
CA2419849A1 (en) | 2002-03-14 |
KR100820748B1 (en) | 2008-04-10 |
ATE297798T1 (en) | 2005-07-15 |
EP1326697A2 (en) | 2003-07-16 |
CN1318121C (en) | 2007-05-30 |
DE60111554T2 (en) | 2006-05-11 |
JP2004508165A (en) | 2004-03-18 |
JP5021142B2 (en) | 2012-09-05 |
KR20030081302A (en) | 2003-10-17 |
DE60111554D1 (en) | 2005-07-21 |
IL154570A0 (en) | 2003-09-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2002020130B1 (en) | Filter structure with two or more layers of fine fiber having extended useful service life | |
US4976858A (en) | Multi-layer filter medium | |
RU2389529C2 (en) | Filtration material (versions) and method of filtration (versions) | |
RU2003109758A (en) | FILTERING MATERIAL, FILTRATION METHOD AND FILTER Baffle | |
CN107921344B (en) | Self-cleaning filter | |
BRPI0807375A2 (en) | FILTER ELEMENT AND METHOD | |
US20030106293A1 (en) | Filter element | |
GB2492659A (en) | Multi-layer filter | |
JPS63218227A (en) | Filter medium | |
JP2004305853A (en) | Nonwoven fabric for canister filter | |
US20090095160A1 (en) | Electrostatically charged engine intake filter media | |
JPS61268317A (en) | Filter material | |
RU2200615C2 (en) | Aerosol filter and filtering material | |
Jaroszczyk et al. | Development of high dust capacity, high efficiency engine air filter with nanofibres | |
JP2864247B2 (en) | Filter media for air filter | |
JPH0245484B2 (en) | ROZAI | |
JPH04193316A (en) | Filter material | |
JP6560945B2 (en) | air filter | |
JPS61268321A (en) | Filter material | |
JPH0154085B2 (en) | ||
JP2004150447A (en) | High performance filter for gas turbine inlet, and filter unit for gas turbine inlet using the same | |
Jandos et al. | Filtration Technologies in the Automotive Industry | |
JPS61268318A (en) | Filter material | |
JPS61268324A (en) | Filter material | |
JPS61268322A (en) | Filter material |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
AK | Designated states |
Kind code of ref document: A3 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PH PL PT RO RU SD SE SG SI SK SL TJ TM TR TT TZ UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2419849 Country of ref document: CA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001288333 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 154570 Country of ref document: IL |
|
WWE | Wipo information: entry into national phase |
Ref document number: 280/DELNP/2003 Country of ref document: IN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020037003222 Country of ref document: KR Ref document number: PA/a/2003/001929 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002524604 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2001968055 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2003109758 Country of ref document: RU Kind code of ref document: A Ref country code: RU Ref document number: RU A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 018177174 Country of ref document: CN |
|
B | Later publication of amended claims |
Free format text: 20021120 |
|
WWP | Wipo information: published in national office |
Ref document number: 2001968055 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1020037003222 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 2001968055 Country of ref document: EP |