CA2093518A1 - Dioxole/TFE Copolymer Composites - Google Patents
Dioxole/TFE Copolymer CompositesInfo
- Publication number
- CA2093518A1 CA2093518A1 CA2093518A CA2093518A CA2093518A1 CA 2093518 A1 CA2093518 A1 CA 2093518A1 CA 2093518 A CA2093518 A CA 2093518A CA 2093518 A CA2093518 A CA 2093518A CA 2093518 A1 CA2093518 A1 CA 2093518A1
- Authority
- CA
- Canada
- Prior art keywords
- dioxole
- tfe copolymer
- copolymer composites
- composites
- perfluoro
- 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.)
- Granted
Links
- 229920001577 copolymer Polymers 0.000 title abstract 2
- XKTYXVDYIKIYJP-UHFFFAOYSA-N 3h-dioxole Chemical compound C1OOC=C1 XKTYXVDYIKIYJP-UHFFFAOYSA-N 0.000 title 1
- 239000002131 composite material Substances 0.000 title 1
- 239000000463 material Substances 0.000 abstract 2
- 239000011148 porous material Substances 0.000 abstract 2
- YSYRISKCBOPJRG-UHFFFAOYSA-N 4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole Chemical compound FC1=C(F)OC(C(F)(F)F)(C(F)(F)F)O1 YSYRISKCBOPJRG-UHFFFAOYSA-N 0.000 abstract 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
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- 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
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- 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
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
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- 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
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
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- 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
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- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
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- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1303—Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1314—Contains fabric, fiber particle, or filament made of glass, ceramic, or sintered, fused, fired, or calcined metal oxide, or metal carbide or other inorganic compound [e.g., fiber glass, mineral fiber, sand, etc.]
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1317—Multilayer [continuous layer]
- Y10T428/1321—Polymer or resin containing [i.e., natural or synthetic]
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, etc.]
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1376—Foam or porous material containing
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249958—Void-containing component is synthetic resin or natural rubbers
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249955—Void-containing component partially impregnated with adjacent component
- Y10T428/249959—Void-containing component is wood or paper
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249991—Synthetic resin or natural rubbers
- Y10T428/249992—Linear or thermoplastic
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2164—Coating or impregnation specified as water repellent
- Y10T442/2172—Also specified as oil repellent
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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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2164—Coating or impregnation specified as water repellent
- Y10T442/2189—Fluorocarbon containing
Abstract
A gas permeable material comprising a material having continuous pores through it, in which the pore interiors are coated with an amorphous copolymer of tetrafluoroethylene and perfluoro-2,2-dimethyl-1,3-dioxole.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/621,661 | 1990-12-03 | ||
US07/621,661 US5116650A (en) | 1990-12-03 | 1990-12-03 | Dioxole/tfe copolymer composites |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2093518A1 true CA2093518A1 (en) | 1992-06-04 |
CA2093518C CA2093518C (en) | 1996-07-02 |
Family
ID=24491091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002093518A Expired - Lifetime CA2093518C (en) | 1990-12-03 | 1991-11-19 | Dioxole/tfe copolymer composites |
Country Status (8)
Country | Link |
---|---|
US (1) | US5116650A (en) |
EP (1) | EP0561875B1 (en) |
JP (1) | JP3390004B2 (en) |
CN (1) | CN1030283C (en) |
AU (1) | AU643860B2 (en) |
CA (1) | CA2093518C (en) |
DE (1) | DE69107861T2 (en) |
WO (1) | WO1992009353A1 (en) |
Families Citing this family (77)
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US5690949A (en) * | 1991-10-18 | 1997-11-25 | Minnesota Mining And Manufacturing Company | Microporous membrane material for preventing transmission of viral pathogens |
US5981038A (en) * | 1991-10-18 | 1999-11-09 | 3M Innovative Properties Company Minnesota Mining And Manufacturing Co. | Laminate preventing transmissions of viral pathogens |
EP0609223B1 (en) * | 1991-10-23 | 1996-05-22 | W.L. Gore & Associates, Inc. | Electromagnetic interference shielding filter |
JP2854223B2 (en) * | 1993-09-08 | 1999-02-03 | ジャパンゴアテックス株式会社 | Oil repellent waterproof ventilation filter |
CA2118428A1 (en) * | 1993-10-20 | 1995-04-21 | Ian C. Roman | Treatment of gas separation membranes with inert solvent |
EP0649676A1 (en) * | 1993-10-20 | 1995-04-26 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Fluoropolymer posttreatment of gas separation membranes |
US6029447A (en) * | 1995-02-21 | 2000-02-29 | Stojic; Steven M. | Spring brake actuator with filtered vent openings |
US5786058A (en) * | 1995-04-03 | 1998-07-28 | Minnesota Mining & Mfg | Thermally bonded viral barrier composite |
AU5803296A (en) * | 1995-07-11 | 1997-02-10 | W.L. Gore & Associates, Inc. | Venting system for high-viscosity-liquid containers |
US5899238A (en) * | 1995-08-08 | 1999-05-04 | International Business Machines Corporation | Polyfluoroorgano composites and method for making |
CN1085962C (en) * | 1996-06-25 | 2002-06-05 | W·L·戈尔有限公司 | Flexible water and oil resistant composites |
US5981614A (en) * | 1996-09-13 | 1999-11-09 | Adiletta; Joseph G. | Hydrophobic-oleophobic fluoropolymer compositions |
US5876604A (en) * | 1996-10-24 | 1999-03-02 | Compact Membrane Systems, Inc | Method of gasifying or degasifying a liquid |
US5989698A (en) * | 1997-02-10 | 1999-11-23 | 3M Innovative Properties Company | Coated porous materials |
WO1998035739A1 (en) * | 1997-02-14 | 1998-08-20 | Raychem Corporation | Method for extracting gases dissolved in a liquid |
US5914154A (en) * | 1997-05-30 | 1999-06-22 | Compact Membrane Systems, Inc. | Non-porous gas permeable membrane |
US5960777A (en) * | 1998-02-20 | 1999-10-05 | Compact Membrane Systems, Inc. | Combustion engine air supply system |
US6036735A (en) * | 1998-03-17 | 2000-03-14 | Jps Converter And Industrial Fabrics Corporation | Finish for glass fiber fabric |
US6196708B1 (en) * | 1998-05-14 | 2001-03-06 | Donaldson Company, Inc. | Oleophobic laminated articles, assemblies of use, and methods |
US6306989B1 (en) * | 1999-09-30 | 2001-10-23 | E. I. Du Pont De Nemours And Company | Situ fluoropolymer polymerization into porous substrates |
US6558743B1 (en) | 1998-10-27 | 2003-05-06 | E. I. Du Pont De Nemours And Company | In situ fluoropolymer polymerization into porous substrates |
US6770202B1 (en) | 1999-04-14 | 2004-08-03 | Pall Corporation | Porous membrane |
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US6355081B1 (en) | 1999-06-01 | 2002-03-12 | Usf Filtration And Separations Group, Inc. | Oleophobic filter materials for filter venting applications |
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US6378414B1 (en) | 1999-06-28 | 2002-04-30 | Tse Brakes, Inc. | Removable filter cap for spring brake actuator |
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US6389954B1 (en) | 1999-11-19 | 2002-05-21 | Tse Brakes, Inc. | Removable filter plug for spring brake actuator |
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CN100334120C (en) * | 2002-07-12 | 2007-08-29 | 东华大学 | Fluororesin containing heterocycle structure and its prepn. and use |
US20040026245A1 (en) * | 2002-08-09 | 2004-02-12 | Vivek Agarwal | High temperature oleophobic materials |
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JP4667393B2 (en) * | 2003-12-12 | 2011-04-13 | シー・アール・バード・インコーポレーテッド | Implantable medical device having a fluorinated polymer coating and application method thereof |
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EP2755735A4 (en) | 2011-09-12 | 2018-01-24 | Idex Health & Science LLC | Supersaturated fluid degassing |
JP6013852B2 (en) * | 2012-09-27 | 2016-10-25 | 株式会社ディスコ | Porous material clogging inspection method and porous material clogging inspection device |
US10865127B2 (en) * | 2012-10-03 | 2020-12-15 | Massachusetts Institute Of Technology | Liquid separation device comprising a metallic mesh with a hydrophobic polymer coating |
US8939252B2 (en) | 2012-11-11 | 2015-01-27 | David Sanborn | Protective material for acoustic transmission |
CN105050582B (en) | 2013-03-15 | 2018-11-30 | W.L.戈尔及同仁股份有限公司 | Aqueous delivery system for low surface energy structures |
KR20180128483A (en) | 2016-04-06 | 2018-12-03 | 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 | Pressure equalization structure for non-porous acoustic membranes |
JP6656110B2 (en) | 2016-07-27 | 2020-03-04 | 日本ゴア株式会社 | Waterproof sound-permeable cover, waterproof sound-permeable cover member, and acoustic device |
WO2018049600A1 (en) | 2016-09-14 | 2018-03-22 | W.L. Gore & Associates Gmbh | Assembly for protecting acoustic device |
CA3052892C (en) * | 2017-02-23 | 2022-01-18 | Gunter Kiederle | Layered product with functional membrane, footwear comprising such layered product, and manufacturing method |
US11054383B2 (en) * | 2018-01-22 | 2021-07-06 | InSyte Systems, Inc. | Chip-scale sensing device for low density material |
US10843133B2 (en) * | 2018-07-24 | 2020-11-24 | Kamalesh Sirkar | Separation of organic solvent mixtures |
CN110240682B (en) * | 2019-05-29 | 2021-11-09 | 浙江大学 | Preparation method of block copolymer containing perfluoro-2, 2-dimethyl-1, 3-dioxole |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4754009A (en) * | 1981-08-20 | 1988-06-28 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
US4908410A (en) * | 1989-01-27 | 1990-03-13 | E. I. Du Pont De Nemours And Company | Modified polytetrafluoroethylene fine powder and preparation thereof |
EP0477224B1 (en) * | 1989-06-15 | 1993-03-17 | Du Pont Canada Inc. | Perfluorodioxole membranes |
-
1990
- 1990-12-03 US US07/621,661 patent/US5116650A/en not_active Expired - Lifetime
-
1991
- 1991-11-19 CA CA002093518A patent/CA2093518C/en not_active Expired - Lifetime
- 1991-11-19 DE DE69107861T patent/DE69107861T2/en not_active Expired - Lifetime
- 1991-11-19 WO PCT/US1991/008629 patent/WO1992009353A1/en active IP Right Grant
- 1991-11-19 AU AU90732/91A patent/AU643860B2/en not_active Expired
- 1991-11-19 JP JP50196792A patent/JP3390004B2/en not_active Expired - Lifetime
- 1991-11-19 EP EP92900432A patent/EP0561875B1/en not_active Expired - Lifetime
- 1991-12-02 CN CN91112782.8A patent/CN1030283C/en not_active Expired - Lifetime
Also Published As
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DE69107861T2 (en) | 1995-07-06 |
CA2093518C (en) | 1996-07-02 |
US5116650A (en) | 1992-05-26 |
DE69107861D1 (en) | 1995-04-06 |
AU9073291A (en) | 1992-06-25 |
CN1063117A (en) | 1992-07-29 |
JP3390004B2 (en) | 2003-03-24 |
JPH06505914A (en) | 1994-07-07 |
AU643860B2 (en) | 1993-11-25 |
WO1992009353A1 (en) | 1992-06-11 |
EP0561875A1 (en) | 1993-09-29 |
EP0561875B1 (en) | 1995-03-01 |
CN1030283C (en) | 1995-11-22 |
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