DE3851616T2 - Makroporöse Polymermembranen, ihre Herstellung und Verwendung zur Abtrennung von Polymere. - Google Patents
Makroporöse Polymermembranen, ihre Herstellung und Verwendung zur Abtrennung von Polymere.Info
- Publication number
- DE3851616T2 DE3851616T2 DE3851616T DE3851616T DE3851616T2 DE 3851616 T2 DE3851616 T2 DE 3851616T2 DE 3851616 T DE3851616 T DE 3851616T DE 3851616 T DE3851616 T DE 3851616T DE 3851616 T2 DE3851616 T2 DE 3851616T2
- Authority
- DE
- Germany
- Prior art keywords
- polymers
- separation
- production
- polymer membranes
- macroporous polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229920000642 polymer Polymers 0.000 title 1
- 229920005597 polymer membrane Polymers 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0006—Organic membrane manufacture by chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
- B01D67/00931—Chemical modification by introduction of specific groups after membrane formation, e.g. by grafting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/28—Polymers of vinyl aromatic compounds
- B01D71/283—Polyvinylpyridine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
- B01J20/267—Cross-linked polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28026—Particles within, immobilised, dispersed, entrapped in or on a matrix, e.g. a resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/28085—Pore diameter being more than 50 nm, i.e. macropores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/282—Porous sorbents
- B01J20/285—Porous sorbents based on polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/305—Addition of material, later completely removed, e.g. as result of heat treatment, leaching or washing, e.g. for forming pores
- B01J20/3064—Addition of pore forming agents, e.g. pore inducing or porogenic agents
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/02—Hydrophilization
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/10—Catalysts being present on the surface of the membrane or in the pores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/40—Fibre reinforced membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/28—Polymers of vinyl aromatic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
- B01J2220/54—Sorbents specially adapted for analytical or investigative chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/50—Conditioning of the sorbent material or stationary liquid
- G01N30/52—Physical parameters
- G01N2030/524—Physical parameters structural properties
- G01N2030/527—Physical parameters structural properties sorbent material in form of a membrane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/62—Processes of molding porous films
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CS879034A CS268443B1 (cs) | 1987-12-10 | 1987-12-10 | Makroporéznl polymernl folie a způsob jejich přípravy |
CS698788A CS273487B1 (en) | 1988-10-21 | 1988-10-21 | Macroporous polymer membranes for biopolymers' chromatographic separation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3851616D1 DE3851616D1 (de) | 1994-10-27 |
DE3851616T2 true DE3851616T2 (de) | 1995-02-09 |
Family
ID=25746417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3851616T Expired - Lifetime DE3851616T2 (de) | 1987-12-10 | 1988-12-12 | Makroporöse Polymermembranen, ihre Herstellung und Verwendung zur Abtrennung von Polymere. |
Country Status (6)
Country | Link |
---|---|
US (3) | US4889632A (de) |
EP (1) | EP0320023B1 (de) |
JP (1) | JPH021747A (de) |
CA (1) | CA1323968C (de) |
DE (1) | DE3851616T2 (de) |
DK (1) | DK175611B1 (de) |
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US7232520B1 (en) | 1998-06-12 | 2007-06-19 | Waters Investments Limited | Ion exchange porous resins for solid phase extraction and chromatography |
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US6686035B2 (en) | 1999-02-05 | 2004-02-03 | Waters Investments Limited | Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation |
US6528167B2 (en) * | 2001-01-31 | 2003-03-04 | Waters Investments Limited | Porous hybrid particles with organic groups removed from the surface |
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US7473367B2 (en) * | 2002-06-26 | 2009-01-06 | Dionex Corporation | Monolithic column |
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GB0216333D0 (en) | 2002-07-13 | 2002-08-21 | Univ Cranfield | Substance - selective polymer membranes |
AU2003285121A1 (en) | 2002-10-30 | 2004-06-07 | Waters Investments Limited | Porous inorganic/organic hybrid materials and preparation thereof |
EP2143481A1 (de) * | 2003-02-19 | 2010-01-13 | Natrix Separations Inc. | Geträgerte poröse Gele umfassende Verbundmaterialien |
WO2005079427A2 (en) * | 2004-02-17 | 2005-09-01 | Waters Investments Limited | Porous hybrid monolith materials with organic groups removed from the surface |
AU2005231532B2 (en) | 2004-04-08 | 2010-01-07 | Merck Millipore Ltd. | Membrane stacks |
US8133840B2 (en) | 2004-06-07 | 2012-03-13 | Natrix Separations Inc. | Stable composite material comprising supported porous gels |
GB2433937B (en) * | 2004-07-30 | 2009-09-02 | Waters Investments Ltd | Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation |
US10773186B2 (en) | 2004-07-30 | 2020-09-15 | Waters Technologies Corporation | Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation |
JP4618485B2 (ja) * | 2004-08-27 | 2011-01-26 | アイシン精機株式会社 | モータ用ブラシ材料の製造方法 |
US8186519B2 (en) * | 2005-01-07 | 2012-05-29 | Emaus Kyoto, Inc. | Porous cured epoxy resin |
GB2424876B (en) * | 2005-04-06 | 2011-03-23 | Rhodia Uk Ltd | Improved analysis of polymeric scale inhibitors |
EP2101999A4 (de) | 2007-01-12 | 2017-12-27 | Waters Technologies Corporation | Anorganische7organische poröse kohlenstoff-heteroatom-silizium-hybridmaterialien für chromatographische trennungen und herstellungsverfahren dafür |
EP2152745B2 (de) | 2007-06-01 | 2023-03-15 | F. Hoffmann-La Roche AG | Immunglobulinreinigung |
EP2334413A4 (de) * | 2008-09-02 | 2013-09-18 | Natrix Separations Inc | Chromatografische membranen, vorrichtungen damit und verfahren zu ihrer verwendung |
US9464179B2 (en) | 2009-04-15 | 2016-10-11 | 3M Innovative Properties Company | Process and apparatus for a nanovoided article |
EP2419767A1 (de) | 2009-04-15 | 2012-02-22 | 3M Innovative Properties Company | Optischer film |
EP2419475B1 (de) | 2009-04-15 | 2017-01-25 | 3M Innovative Properties Company | Verfahren und vorrichtung zum herstellen eines gegenstands mit nanohohlräumen |
WO2010141426A1 (en) | 2009-06-01 | 2010-12-09 | Waters Technologies Corporation | Hybrid material for chromatographic separations |
US11439977B2 (en) | 2009-06-01 | 2022-09-13 | Waters Technologies Corporation | Hybrid material for chromatographic separations comprising a superficially porous core and a surrounding material |
IN2012DN05130A (de) * | 2009-11-13 | 2015-10-23 | Natrix Separations Inc | |
JP6199184B2 (ja) | 2010-07-26 | 2017-09-20 | ウオーターズ・テクノロジーズ・コーポレイシヨン | 粒度分布の狭い実質的に非多孔質のコアを含む表面多孔質材料、その製造方法及びクロマトグラフィー分離用としてのその使用 |
WO2012158896A2 (en) | 2011-05-17 | 2012-11-22 | Natrix Separations Inc. | Layered tubular membranes for chromatography, and methods of use thereof |
US20150030565A1 (en) | 2012-01-09 | 2015-01-29 | Sanofi Pasteur Biologics, Llc | Purification of flaviviruses |
AU2015211020A1 (en) | 2014-01-28 | 2016-08-11 | Dice Molecules Sv, Llc | Monoliths with attached recognition compounds, arrays thereof and uses thereof |
CN109070053A (zh) | 2016-03-06 | 2018-12-21 | 沃特世科技公司 | 用于色谱分离的具有受控孔隙度的多孔材料;其制备方法;以及其用途 |
CN106832386B (zh) * | 2017-01-09 | 2020-04-21 | 淮阴工学院 | 一种有机气凝胶及其制备方法和应用 |
CN108329411B (zh) * | 2018-04-27 | 2019-11-22 | 南京大学 | 一种复合功能树脂及制备方法和应用 |
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US4618533A (en) * | 1984-11-30 | 1986-10-21 | Millipore Corporation | Porous membrane having hydrophilic surface and process |
JPS63315145A (ja) * | 1987-06-17 | 1988-12-22 | Terumo Corp | ビリルビン除去用吸着材および吸着装置 |
-
1988
- 1988-12-07 US US07/281,266 patent/US4889632A/en not_active Expired - Lifetime
- 1988-12-09 DK DK198806883A patent/DK175611B1/da not_active IP Right Cessation
- 1988-12-09 CA CA000585567A patent/CA1323968C/en not_active Expired - Fee Related
- 1988-12-10 JP JP63311043A patent/JPH021747A/ja active Pending
- 1988-12-12 EP EP88120747A patent/EP0320023B1/de not_active Expired - Lifetime
- 1988-12-12 DE DE3851616T patent/DE3851616T2/de not_active Expired - Lifetime
-
1989
- 1989-09-25 US US07/411,665 patent/US4923610A/en not_active Expired - Lifetime
-
1990
- 1990-01-23 US US07/468,907 patent/US4952349A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK175611B1 (da) | 2004-12-27 |
DE3851616D1 (de) | 1994-10-27 |
EP0320023A2 (de) | 1989-06-14 |
JPH021747A (ja) | 1990-01-08 |
US4952349A (en) | 1990-08-28 |
US4923610A (en) | 1990-05-08 |
CA1323968C (en) | 1993-11-09 |
DK688388D0 (da) | 1988-12-09 |
US4889632A (en) | 1989-12-26 |
EP0320023A3 (de) | 1991-07-24 |
DK688388A (da) | 1989-06-11 |
EP0320023B1 (de) | 1994-09-21 |
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Owner name: BIA SEPARATIONS D.O.O., LJUBLJANA, SI |