BR9100726A - Processo para controlar a porosidade e o tamanho medio de poros em uma folha composita,e artigo composito cromatografico - Google Patents
Processo para controlar a porosidade e o tamanho medio de poros em uma folha composita,e artigo composito cromatograficoInfo
- Publication number
- BR9100726A BR9100726A BR919100726A BR9100726A BR9100726A BR 9100726 A BR9100726 A BR 9100726A BR 919100726 A BR919100726 A BR 919100726A BR 9100726 A BR9100726 A BR 9100726A BR 9100726 A BR9100726 A BR 9100726A
- Authority
- BR
- Brazil
- Prior art keywords
- composite
- porosity
- pores
- control
- medium size
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
-
- 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
- B01J20/28028—Particles immobilised within fibres or filaments
-
- 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
- B01J20/28078—Pore diameter
- B01J20/28085—Pore diameter being more than 50 nm, i.e. macropores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/32—Bonded phase chromatography
- B01D15/322—Normal bonded phase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/32—Bonded phase chromatography
- B01D15/325—Reversed phase
-
- 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
- G01N2030/528—Monolithic sorbent material
-
- 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
- Y10S264/47—Processes of splitting film, webs or sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Mechanical Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48418490A | 1990-02-23 | 1990-02-23 | |
| US07/639,515 US5071610A (en) | 1990-02-23 | 1991-01-10 | Method of making a controlled pore composite polytetrafluoroethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9100726A true BR9100726A (pt) | 1991-10-29 |
Family
ID=27047905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR919100726A BR9100726A (pt) | 1990-02-23 | 1991-02-22 | Processo para controlar a porosidade e o tamanho medio de poros em uma folha composita,e artigo composito cromatografico |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5071610A (pt) |
| EP (1) | EP0443853B1 (pt) |
| JP (1) | JP2716879B2 (pt) |
| KR (1) | KR910021429A (pt) |
| CN (1) | CN1054256A (pt) |
| AU (1) | AU636703B2 (pt) |
| BR (1) | BR9100726A (pt) |
| CA (1) | CA2035295A1 (pt) |
| CS (1) | CS44691A2 (pt) |
| DE (1) | DE69100213T2 (pt) |
| DK (1) | DK0443853T3 (pt) |
| ES (1) | ES2043431T3 (pt) |
| HU (1) | HUT60311A (pt) |
| MX (1) | MX166623B (pt) |
Families Citing this family (88)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5217666A (en) * | 1991-05-29 | 1993-06-08 | Daikin Industries Ltd. | Process for producing porous polytetrafluoroethylene film |
| US5238621A (en) * | 1991-06-28 | 1993-08-24 | Minnesota Mining And Manufacturing Company | Method of controlling porosity in a composite article |
| US5248428A (en) * | 1991-06-28 | 1993-09-28 | Minnesota Mining And Manufacturing Company | Article for separations and purifications and method of controlling porosity therein |
| US5328758A (en) * | 1991-10-11 | 1994-07-12 | Minnesota Mining And Manufacturing Company | Particle-loaded nonwoven fibrous article for separations and purifications |
| US5993935A (en) * | 1991-10-11 | 1999-11-30 | 3M Innovative Properties Company | Covalently reactive particles incorporated in a continous porous matrix |
| US5209967A (en) * | 1992-01-31 | 1993-05-11 | Minnesota Mining And Manufacturing Company | Pressure sensitive membrane and method therefor |
| US5328756A (en) * | 1992-01-31 | 1994-07-12 | Minnesota Mining And Manufacturing Company | Temperature sensitive circuit breaking element |
| AU676831B2 (en) * | 1992-03-13 | 1997-03-27 | Atrium Medical Corporation | Controlled porosity expanded polytetrafluoroethylene products and fabrication |
| US5338448A (en) * | 1992-10-16 | 1994-08-16 | Sarasep, Inc. | Method of preventing contamination of a chromatography column |
| US5383573A (en) * | 1992-11-04 | 1995-01-24 | Minnesota Mining And Manufacturing Company | Separation-science membrane dispenser |
| US5340746A (en) * | 1993-01-08 | 1994-08-23 | Minnesota Mining And Manufacturing Company | Composite reactive articles for the determination of cyanide |
| US5354603A (en) * | 1993-01-15 | 1994-10-11 | Minnesota Mining And Manufacturing Company | Antifouling/anticorrosive composite marine structure |
| US5453235A (en) * | 1993-01-29 | 1995-09-26 | Impra, Inc. | Method of forming dual porosity FTFE tubes by extrusion of concentric preforms |
| US5391298B1 (en) * | 1993-03-05 | 1997-10-28 | Minnesota Mining & Mfg | Method for performing a solid-phase extraction under pressurized conditions |
| US5403489A (en) * | 1993-06-24 | 1995-04-04 | Minnesota Mining And Manufacturing Company | Solid phase extraction method and apparatus |
| CA2137970A1 (en) * | 1994-01-10 | 1995-07-11 | Lloyd R. White | Cartridge sorption device |
| US6207251B1 (en) * | 1994-01-10 | 2001-03-27 | Minnesota Mining And Manufacturing Company | Reinforced particle-loaded fibrillated PTFE web |
| US5582892A (en) * | 1994-04-08 | 1996-12-10 | Minnesota Mining And Manufacturing Company | Dimensionally stable particle-loaded PTFE web |
| US5476665A (en) * | 1994-04-13 | 1995-12-19 | Minnesota Mining And Manufacturing Company | Azlactone functional particles incorporated in a membrane formed by solvent phase inversion |
| WO1995030467A1 (en) * | 1994-05-05 | 1995-11-16 | Minnesota Mining And Manufacturing Company | Chemically modified solid phase extraction particles and articles containing same |
| US5492627A (en) * | 1994-06-29 | 1996-02-20 | Minnesota Mining And Manufacturing Company | Method for separating mercury from fluids using composite articles |
| US5529686A (en) | 1994-07-15 | 1996-06-25 | Minnesota Mining And Manufacturing Company | Composite membranes for solid phase extractions and reactions |
| DE69505692T2 (de) * | 1994-11-10 | 1999-07-22 | Minnesota Mining And Mfg. Co., Saint Paul, Minn. | Festphaseextraktion durch verwendung einer verbundfolie für direktes messen der radioaktivität |
| US5833860A (en) * | 1995-08-28 | 1998-11-10 | Millipore Investment Holdings Limited | Centrifugal adsorptive sample preparation device and method |
| US5700375A (en) * | 1996-04-29 | 1997-12-23 | Minnesota Mining And Manufacturing Company | Particle loaded membranes as oxidant scavengers |
| US5830923A (en) * | 1996-05-22 | 1998-11-03 | E. I. Du Pont De Nemours And Company | Foamed fluoropolymer |
| CA2256747A1 (en) | 1996-07-12 | 1998-01-22 | Minnesota Mining And Manufacturing Company | Method for the colorimetric quantification of ions |
| US5911883A (en) * | 1996-10-04 | 1999-06-15 | Minnesota Mining And Manufacturing Company | Flow-by solid phase extraction method |
| DE69736245T2 (de) * | 1996-11-13 | 2007-06-14 | Minnesota Mining And Manufacturing Company, St. Paul | Lagerung und abgabe von unter druck stehenden gasen in mikroblasen |
| US5928811A (en) * | 1997-04-11 | 1999-07-27 | Amtek Research International Llc | Gas recombinant battery separator |
| US6036945A (en) | 1997-04-11 | 2000-03-14 | Shamrock Technologies, Inc. | Delivery systems for active ingredients including sunscreen actives and methods of making same |
| US6139749A (en) * | 1997-11-20 | 2000-10-31 | 3M Innovative Properties Company | Method for radioactive species analysis using a self-scintillating sheet material |
| US6099734A (en) * | 1998-07-08 | 2000-08-08 | Baxter International Inc. | Apparatus, membranes and methods for removing organic compounds from a biological fluid |
| US6908553B1 (en) * | 1998-07-08 | 2005-06-21 | Baxter International Inc. | Composite membrane with particulate matter substantially immobilized therein |
| CA2341164A1 (en) | 1998-09-14 | 2000-03-23 | 3M Innovative Properties Company | Extraction articles and methods |
| US6083439A (en) * | 1998-09-25 | 2000-07-04 | Auergesellschaft Gmbh | Polymer-bonded material |
| US6436294B2 (en) | 1998-11-24 | 2002-08-20 | 3M Innovative Properties Company | Process for modifying the metal ion sorption capacity of a medium |
| GB9920170D0 (en) * | 1999-08-25 | 1999-10-27 | Univ Portsmouth | A passive sampling device |
| US6383783B1 (en) | 1999-09-21 | 2002-05-07 | 3M Innovative Properties Company | Nucleic acid isolation by adhering to hydrophobic solid phase and removing with nonionic surfactant |
| US6627252B1 (en) | 2000-05-12 | 2003-09-30 | Maxwell Electronic Components, Inc. | Electrochemical double layer capacitor having carbon powder electrodes |
| US6631074B2 (en) | 2000-05-12 | 2003-10-07 | Maxwell Technologies, Inc. | Electrochemical double layer capacitor having carbon powder electrodes |
| US6643119B2 (en) | 2001-11-02 | 2003-11-04 | Maxwell Technologies, Inc. | Electrochemical double layer capacitor having carbon powder electrodes |
| US20030219587A1 (en) * | 2002-05-24 | 2003-11-27 | Pekala Richard W. | Microporous, mixed polymer phase membrane |
| US7077891B2 (en) * | 2002-08-13 | 2006-07-18 | Air Products And Chemicals, Inc. | Adsorbent sheet material for parallel passage contactors |
| US7771818B2 (en) * | 2002-09-20 | 2010-08-10 | Bha Group, Inc. | Treatment of porous article |
| US7201841B2 (en) | 2003-02-05 | 2007-04-10 | Water Visions International, Inc. | Composite materials for fluid treatment |
| US20070122698A1 (en) * | 2004-04-02 | 2007-05-31 | Maxwell Technologies, Inc. | Dry-particle based adhesive and dry film and methods of making same |
| US7791860B2 (en) | 2003-07-09 | 2010-09-07 | Maxwell Technologies, Inc. | Particle based electrodes and methods of making same |
| US20060147712A1 (en) * | 2003-07-09 | 2006-07-06 | Maxwell Technologies, Inc. | Dry particle based adhesive electrode and methods of making same |
| US7352558B2 (en) | 2003-07-09 | 2008-04-01 | Maxwell Technologies, Inc. | Dry particle based capacitor and methods of making same |
| US7300801B2 (en) * | 2003-09-12 | 2007-11-27 | 3M Innovative Properties Company | Welded sample preparation articles and methods |
| US7920371B2 (en) * | 2003-09-12 | 2011-04-05 | Maxwell Technologies, Inc. | Electrical energy storage devices with separator between electrodes and methods for fabricating the devices |
| US7410458B2 (en) * | 2003-11-12 | 2008-08-12 | Isoray Medical, Inc. | Brachytherapy implant seeds |
| US20050130177A1 (en) | 2003-12-12 | 2005-06-16 | 3M Innovative Properties Company | Variable valve apparatus and methods |
| US7939249B2 (en) | 2003-12-24 | 2011-05-10 | 3M Innovative Properties Company | Methods for nucleic acid isolation and kits using a microfluidic device and concentration step |
| US7727710B2 (en) | 2003-12-24 | 2010-06-01 | 3M Innovative Properties Company | Materials, methods, and kits for reducing nonspecific binding of molecules to a surface |
| WO2005123599A2 (en) * | 2004-01-20 | 2005-12-29 | Boundless Corporation | Highly microporous polymers and methods for producing and using the same |
| US7090946B2 (en) | 2004-02-19 | 2006-08-15 | Maxwell Technologies, Inc. | Composite electrode and method for fabricating same |
| US7383946B2 (en) | 2004-03-26 | 2008-06-10 | Hughes Kenneth D | Materials for storing and releasing reactive gases |
| US8636919B1 (en) | 2004-03-26 | 2014-01-28 | Kenneth D. Hughes | Reactive solutions |
| DE602005005675D1 (de) * | 2004-06-28 | 2008-05-08 | Isoray Medical Inc | Verfahren zum trennen und reinigen von cäsium-131 von bariumnitrat |
| WO2006025975A1 (en) * | 2004-07-26 | 2006-03-09 | Isoray Medical, Inc. | Method of separating and purifying yttrium-90 from strontium-90 |
| EA009820B1 (ru) * | 2004-07-28 | 2008-04-28 | Айсорей Медикал, Инк. | Способ отделения и очистки цезия-131 от карбоната бария |
| US7316644B2 (en) * | 2004-08-18 | 2008-01-08 | Isoray Medical, Inc. | Method for preparing particles of radioactive powder containing Cesium-131 for use in brachytherapy sources |
| JP4791049B2 (ja) * | 2005-02-16 | 2011-10-12 | ニチアス株式会社 | エアフィルタ用シート及びその製造方法並びにエアフィルタ |
| US7440258B2 (en) * | 2005-03-14 | 2008-10-21 | Maxwell Technologies, Inc. | Thermal interconnects for coupling energy storage devices |
| JP4646301B2 (ja) * | 2005-06-10 | 2011-03-09 | 旭化成ケミカルズ株式会社 | 多孔性成形体およびその製造方法 |
| US7510691B2 (en) * | 2006-02-28 | 2009-03-31 | Isoray Medical, Inc. | Method for improving the recovery of cesium-131 from barium carbonate |
| US20090065416A1 (en) * | 2006-03-13 | 2009-03-12 | Agilent Technologies, Inc. | Elastic porous column material |
| US8129517B1 (en) | 2006-05-23 | 2012-03-06 | Integrated Dna Technologies, Inc. | Labeled solid supports for organic synthesis |
| EP1916522A1 (en) * | 2006-10-25 | 2008-04-30 | Agilent Technologies, Inc. | Column having separated sections of stationary phase |
| EP2649194A4 (en) * | 2010-12-06 | 2014-05-28 | 3M Innovative Properties Co | METHOD AND DEVICE FOR CONCENTRATING MICROORGANISMS |
| US20130260370A1 (en) * | 2010-12-06 | 2013-10-03 | Manjiri T. Kshirsagar | Microorganism concentration process and device |
| EP2532411A1 (de) | 2011-06-10 | 2012-12-12 | Süd-Chemie AG | Druckwechseladsorptionsverfahren |
| EP2532421A1 (de) * | 2011-06-10 | 2012-12-12 | Süd-Chemie AG | Verbundmaterial aus fluorhaltigem Polymer, hydrophoben Zeolith-Partikeln und metallischem Werkstoff |
| CN102358046A (zh) * | 2011-08-18 | 2012-02-22 | 宁波昌祺氟塑料制品有限公司 | 一种聚四氟乙烯膜的生产工艺 |
| EP3118256B1 (en) * | 2012-04-20 | 2020-07-15 | Daikin Industries, Ltd. | Composition having ptfe as main component, mixed powder and material for molding |
| CN103219086A (zh) * | 2012-08-02 | 2013-07-24 | 上海市凌桥环保设备厂有限公司 | 通信电缆用聚四氟乙烯微孔膜 |
| EP2719445A1 (en) * | 2012-10-09 | 2014-04-16 | Clariant International Ltd. | Process for concentrating small organic molecules from liquid or gaseous mixtures using a composite membrane comprising a fluoropolymer and hydrophobic siliceous particles |
| US9236620B2 (en) | 2012-11-05 | 2016-01-12 | Battelle Memorial Institute | Composite separators and redox flow batteries based on porous separators |
| GB2551310B8 (en) | 2016-05-24 | 2020-01-22 | Thomas Billet Colin | A gas treatment element and a method of forming a gas treatment element |
| EP3710156A1 (en) | 2017-11-16 | 2020-09-23 | 3M Innovative Properties Company | Polymer matrix composites comprising functional particles and methods of making the same |
| US11732104B2 (en) | 2017-11-16 | 2023-08-22 | 3M Innovative Properties Company | Polymer matrix composites comprising dielectric particles and methods of making the same |
| CN111364253B (zh) * | 2020-03-16 | 2021-03-09 | 中国科学院兰州化学物理研究所 | 一种自润滑衬垫织物及其制备方法、一种自润滑衬垫复合材料 |
| BR112023017762A2 (pt) * | 2021-03-05 | 2023-10-03 | Gore & Ass | Artigo compósito de polímero com sólidos retidos e métodos de formação |
| CN115401932A (zh) * | 2022-09-15 | 2022-11-29 | 成都希瑞方晓科技有限公司 | 一种聚四氟乙烯密封材料及其制备方法 |
| US20240181439A1 (en) * | 2022-12-02 | 2024-06-06 | Donaldson Company, Inc. | Porous substrates comprising ptfe compositions |
| US20240181433A1 (en) * | 2022-12-02 | 2024-06-06 | Donaldson Company, Inc. | Ptfe and active particle compositions |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3005795A (en) * | 1957-12-10 | 1961-10-24 | Du Pont | Thermoplastic resins containing finely divided, fibrous polytetrafluoroethylene |
| US3315020A (en) * | 1962-03-21 | 1967-04-18 | Gore & Ass | Process for preparing biaxially fibrillated sheets |
| GB1049328A (en) * | 1962-07-13 | 1966-11-23 | Du Pont | Porous structures of polytetrafluoroethylene resins |
| US3383092A (en) * | 1963-09-06 | 1968-05-14 | Garrett Corp | Gas turbine with pulsating gas flows |
| US3281511A (en) * | 1964-05-15 | 1966-10-25 | Gen Plastics Corp | Method of preparing microporous tetrafluoroethylene resin sheets |
| US3407096A (en) * | 1966-01-25 | 1968-10-22 | American Cyanamid Co | Fuel cell and method for preparing the electrodes |
| US3533930A (en) * | 1966-11-21 | 1970-10-13 | Gen Electric | Modified crosslinked polyoxymethylenes and their preparation |
| US4194040A (en) * | 1969-04-23 | 1980-03-18 | Joseph A. Teti, Jr. | Article of fibrillated polytetrafluoroethylene containing high volumes of particulate material and methods of making and using same |
| CA980038A (en) * | 1969-04-23 | 1975-12-16 | Dexter Worden | Flexible, non-woven compositions and process for producing same |
| US4153661A (en) * | 1977-08-25 | 1979-05-08 | Minnesota Mining And Manufacturing Company | Method of making polytetrafluoroethylene composite sheet |
| US4565663A (en) * | 1981-06-26 | 1986-01-21 | Minnesota Mining And Manufacturing Company | Method for making water-swellable composite sheet |
| US4373519A (en) * | 1981-06-26 | 1983-02-15 | Minnesota Mining And Manufacturing Company | Composite wound dressing |
| US4460642A (en) * | 1981-06-26 | 1984-07-17 | Minnesota Mining And Manufacturing Company | Water-swellable composite sheet of microfibers of PTFE and hydrophilic absorptive particles |
| US4722898A (en) * | 1985-04-29 | 1988-02-02 | Minnesota Mining And Manufacturing Company | Immobilization of biological cells in polytetrafluoroethylene matrix |
| US4871671A (en) * | 1985-04-29 | 1989-10-03 | Minnesota Mining And Manufacturing Company | Immobilization of biological cells in polytetrafluoroethylene matrix |
| US4863604A (en) * | 1987-02-05 | 1989-09-05 | Parker-Hannifin Corporation | Microporous asymmetric polyfluorocarbon membranes |
| US4971736A (en) * | 1987-12-28 | 1990-11-20 | Minnesota Mining And Manufacturing Company | Method of preparing composite chromatographic article |
| US4810381A (en) * | 1987-12-28 | 1989-03-07 | Minnesota Mining And Manufacturing Company | Composite chromatographic article |
| US4906378A (en) * | 1987-12-28 | 1990-03-06 | Minnesota Mining And Manufacturing Company | Composite chromatographic article |
| US4882113A (en) * | 1989-01-26 | 1989-11-21 | Baxter International Inc. | Heterogeneous elastomeric compositions containing a fluoroelastomer and PTFE and methods for manufacturing said compositions |
| US4971697A (en) * | 1989-02-23 | 1990-11-20 | Minnesota Mining And Manufacturing Company | Thin silica flakes and method of making |
-
1991
- 1991-01-10 US US07/639,515 patent/US5071610A/en not_active Expired - Lifetime
- 1991-01-28 HU HU91295A patent/HUT60311A/hu unknown
- 1991-01-30 CA CA002035295A patent/CA2035295A1/en not_active Abandoned
- 1991-02-05 AU AU70282/91A patent/AU636703B2/en not_active Ceased
- 1991-02-15 MX MX024565A patent/MX166623B/es unknown
- 1991-02-21 CS CS91446A patent/CS44691A2/cs unknown
- 1991-02-21 ES ES91301387T patent/ES2043431T3/es not_active Expired - Lifetime
- 1991-02-21 DE DE91301387T patent/DE69100213T2/de not_active Expired - Fee Related
- 1991-02-21 DK DK91301387.6T patent/DK0443853T3/da active
- 1991-02-21 EP EP91301387A patent/EP0443853B1/en not_active Expired - Lifetime
- 1991-02-22 KR KR1019910002939A patent/KR910021429A/ko not_active Ceased
- 1991-02-22 CN CN91101087A patent/CN1054256A/zh active Pending
- 1991-02-22 JP JP3112665A patent/JP2716879B2/ja not_active Expired - Fee Related
- 1991-02-22 BR BR919100726A patent/BR9100726A/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2716879B2 (ja) | 1998-02-18 |
| JPH0623266A (ja) | 1994-02-01 |
| HU910295D0 (en) | 1991-08-28 |
| DE69100213D1 (de) | 1993-09-09 |
| EP0443853A2 (en) | 1991-08-28 |
| CA2035295A1 (en) | 1991-08-24 |
| DE69100213T2 (de) | 1994-02-10 |
| CS44691A2 (en) | 1991-09-15 |
| HUT60311A (en) | 1992-08-28 |
| EP0443853B1 (en) | 1993-08-04 |
| US5071610A (en) | 1991-12-10 |
| AU636703B2 (en) | 1993-05-06 |
| EP0443853A3 (en) | 1991-10-23 |
| AU7028291A (en) | 1991-08-29 |
| MX166623B (es) | 1993-01-22 |
| ES2043431T3 (es) | 1993-12-16 |
| KR910021429A (ko) | 1991-12-20 |
| CN1054256A (zh) | 1991-09-04 |
| DK0443853T3 (da) | 1993-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
| FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |