NO884629L - Hurtig gjenvinnbar ptfe og en fremgangsmaate for dens fremstilling. - Google Patents
Hurtig gjenvinnbar ptfe og en fremgangsmaate for dens fremstilling.Info
- Publication number
- NO884629L NO884629L NO88884629A NO884629A NO884629L NO 884629 L NO884629 L NO 884629L NO 88884629 A NO88884629 A NO 88884629A NO 884629 A NO884629 A NO 884629A NO 884629 L NO884629 L NO 884629L
- Authority
- NO
- Norway
- Prior art keywords
- ptfe
- compressed
- article
- fibrils
- porous
- Prior art date
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 55
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 55
- 238000000034 method Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims description 55
- 238000011084 recovery Methods 0.000 claims description 29
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims 1
- 239000000523 sample Substances 0.000 description 29
- 238000005259 measurement Methods 0.000 description 16
- 239000002243 precursor Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 15
- 238000000926 separation method Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 description 2
- 239000007990 PIPES buffer Substances 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 229920000544 Gore-Tex Polymers 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000002131 composite material Chemical group 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/110,145 US4877661A (en) | 1987-10-19 | 1987-10-19 | Rapidly recoverable PTFE and process therefore |
| US07/248,887 US5308664A (en) | 1987-10-19 | 1988-09-23 | Rapidly recoverable PTFE and process therefore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO884629D0 NO884629D0 (no) | 1988-10-18 |
| NO884629L true NO884629L (no) | 1989-04-20 |
Family
ID=26807734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO88884629A NO884629L (no) | 1987-10-19 | 1988-10-18 | Hurtig gjenvinnbar ptfe og en fremgangsmaate for dens fremstilling. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0313263B1 (da) |
| JP (1) | JP2547243B2 (da) |
| CN (1) | CN1034889A (da) |
| CA (1) | CA1318093C (da) |
| DE (1) | DE3879613T2 (da) |
| DK (1) | DK581788A (da) |
| FI (1) | FI884830A (da) |
| GB (1) | GB2211190A (da) |
| IL (1) | IL88053A0 (da) |
| NO (1) | NO884629L (da) |
| PT (1) | PT88796B (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568220A (zh) * | 2018-04-26 | 2018-09-25 | 杭州科百特过滤器材有限公司 | 聚四氟乙烯纳米过滤膜的制备方法 |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4948641A (en) * | 1987-06-01 | 1990-08-14 | Olin Corporation | Multiple layer container for storage of high purity chemicals |
| GB8916231D0 (en) * | 1989-07-14 | 1989-08-31 | Evans Kenneth E | Polymeric materials |
| WO1992022604A1 (en) * | 1991-06-14 | 1992-12-23 | W.L. Gore & Associates, Inc. | Surface modified porous expanded polytetrafluoroethylene and process for making |
| CN100384890C (zh) * | 1992-06-25 | 2008-04-30 | 纳幕尔杜邦公司 | 多孔聚四氟乙烯组合物和其成型制品 |
| EP0714345B1 (en) * | 1993-08-18 | 2001-09-12 | W.L. Gore & Associates, Inc. | A thin-wall, seamless, porous polytetrafluoroethylene tube |
| US5491882A (en) * | 1993-12-28 | 1996-02-20 | Walston; D. Kenneth | Method of making joint prosthesis having PTFE cushion |
| US5982542A (en) * | 1995-01-06 | 1999-11-09 | W. L. Gore & Associates, Inc. | High light diffusive and low light absorbent material and method for making and using same |
| US5596450A (en) * | 1995-01-06 | 1997-01-21 | W. L. Gore & Associates, Inc. | Light reflectant surface and method for making and using same |
| US5892621A (en) * | 1995-01-06 | 1999-04-06 | W. L. Gore & Associates, Inc. | Light reflectant surface for luminaires |
| US5905594A (en) * | 1995-01-06 | 1999-05-18 | W. L. Gore & Associates, Inc. | Light reflectant surface in a recessed cavity substantially surrounding a compact fluorescent lamp |
| US6015610A (en) * | 1995-01-06 | 2000-01-18 | W. L. Gore & Associates, Inc. | Very thin highly light reflectant surface and method for making and using same |
| US5641373A (en) * | 1995-04-17 | 1997-06-24 | Baxter International Inc. | Method of manufacturing a radially-enlargeable PTFE tape-reinforced vascular graft |
| US5814405A (en) * | 1995-08-04 | 1998-09-29 | W. L. Gore & Associates, Inc. | Strong, air permeable membranes of polytetrafluoroethylene |
| US5838406A (en) * | 1995-08-29 | 1998-11-17 | W. L. Gore & Associates, Inc. | Light reflectant surface of expanded polytetrafluoroethylene with nodes and fibrils for backlit liquid crystal displays |
| US5788626A (en) * | 1995-11-21 | 1998-08-04 | Schneider (Usa) Inc | Method of making a stent-graft covered with expanded polytetrafluoroethylene |
| JPH1024223A (ja) * | 1996-07-12 | 1998-01-27 | Nitto Denko Corp | 分離膜及びその製造方法 |
| US5836677A (en) * | 1997-02-05 | 1998-11-17 | W.L. Gore & Associates, Inc. | Retrofit compact fluorescent lamp |
| US5982548A (en) * | 1997-05-19 | 1999-11-09 | W. L. Gore & Associates, Inc. | Thin light reflectant surface and method for making and using same |
| US6780497B1 (en) | 1999-08-05 | 2004-08-24 | Gore Enterprise Holdings, Inc. | Surface modified expanded polytetrafluoroethylene devices and methods of producing the same |
| US6428506B1 (en) | 1999-12-22 | 2002-08-06 | Advanced Cardiovascular Systems, Inc. | Medical device formed of ultrahigh molecular weight polyethylene |
| US6602224B1 (en) | 1999-12-22 | 2003-08-05 | Advanced Cardiovascular Systems, Inc. | Medical device formed of ultrahigh molecular weight polyolefin |
| ATE406146T1 (de) | 2000-11-22 | 2008-09-15 | Bard Peripheral Vascular Inc | Verfahren zur herstellung einer röhrenförmigen struktur aus expandiertem polytetrafluorethylen mit mikrowand hoher dichte |
| US6613203B1 (en) | 2001-09-10 | 2003-09-02 | Gore Enterprise Holdings | Ion conducting membrane having high hardness and dimensional stability |
| US6837890B1 (en) | 2001-12-26 | 2005-01-04 | Advanced Cardiovascular Systems, Inc. | Expanded UHMWPE for guiding catheter liners and other lubricious coatings |
| JP3694704B2 (ja) * | 2002-06-25 | 2005-09-14 | 森村興産株式会社 | 濾過用フィルタ |
| JP2005298554A (ja) | 2004-04-07 | 2005-10-27 | Sumitomo Electric Ind Ltd | 膜厚方向に弾性回復性を有する延伸ポリテトラフルオロエチレン多孔質膜、その製造方法、及び該多孔質膜の使用 |
| CN100368186C (zh) * | 2005-12-15 | 2008-02-13 | 东华大学 | 一种长玻纤增强abs复合材料的制备方法 |
| FR2944713A1 (fr) * | 2009-04-27 | 2010-10-29 | Centre Nat Rech Scient | Substrats poreux microstructures, leur procede de preparation et leurs utilisations. |
| US9839540B2 (en) | 2011-01-14 | 2017-12-12 | W. L. Gore & Associates, Inc. | Stent |
| US10166128B2 (en) | 2011-01-14 | 2019-01-01 | W. L. Gore & Associates. Inc. | Lattice |
| US9744033B2 (en) | 2011-04-01 | 2017-08-29 | W.L. Gore & Associates, Inc. | Elastomeric leaflet for prosthetic heart valves |
| US9370647B2 (en) | 2011-07-14 | 2016-06-21 | W. L. Gore & Associates, Inc. | Expandable medical devices |
| US9554806B2 (en) | 2011-09-16 | 2017-01-31 | W. L. Gore & Associates, Inc. | Occlusive devices |
| EA026583B1 (ru) * | 2011-12-14 | 2017-04-28 | ДСМ АйПи АССЕТС Б.В. | Медицинский компонент и способ его изготовления |
| US9510935B2 (en) | 2012-01-16 | 2016-12-06 | W. L. Gore & Associates, Inc. | Articles including expanded polytetrafluoroethylene membranes with serpentine fibrils and having a discontinuous fluoropolymer layer thereon |
| KR101626234B1 (ko) * | 2012-01-16 | 2016-05-31 | 더블유.엘. 고어 앤드 어소시에이트스, 인코포레이티드 | 사행형 피브릴을 포함하는 팽창된 폴리테트라플루오로에틸렌 멤브레인을 포함하고, 불연속 플루오로중합체 층을 그 위에 포함하는 물품 |
| US9283072B2 (en) | 2012-07-25 | 2016-03-15 | W. L. Gore & Associates, Inc. | Everting transcatheter valve and methods |
| US9931193B2 (en) | 2012-11-13 | 2018-04-03 | W. L. Gore & Associates, Inc. | Elastic stent graft |
| US9101469B2 (en) | 2012-12-19 | 2015-08-11 | W. L. Gore & Associates, Inc. | Prosthetic heart valve with leaflet shelving |
| US9144492B2 (en) | 2012-12-19 | 2015-09-29 | W. L. Gore & Associates, Inc. | Truncated leaflet for prosthetic heart valves, preformed valve |
| US10279084B2 (en) * | 2012-12-19 | 2019-05-07 | W. L. Gore & Associates, Inc. | Medical balloon devices and methods |
| US9968443B2 (en) | 2012-12-19 | 2018-05-15 | W. L. Gore & Associates, Inc. | Vertical coaptation zone in a planar portion of prosthetic heart valve leaflet |
| US20140231341A1 (en) * | 2013-02-15 | 2014-08-21 | Pall Corporation | Ptfe membrane |
| US9770352B2 (en) | 2013-03-14 | 2017-09-26 | W. L. Gore & Associates, Inc. | Inflatable balloon and cover |
| US9522072B2 (en) * | 2013-03-15 | 2016-12-20 | W. L. Gore & Associates, Inc. | Porous materials having a fibrillar microstructure and a fracturable coating |
| US11911258B2 (en) | 2013-06-26 | 2024-02-27 | W. L. Gore & Associates, Inc. | Space filling devices |
| US10842918B2 (en) | 2013-12-05 | 2020-11-24 | W.L. Gore & Associates, Inc. | Length extensible implantable device and methods for making such devices |
| US9827094B2 (en) | 2014-09-15 | 2017-11-28 | W. L. Gore & Associates, Inc. | Prosthetic heart valve with retention elements |
| CA2986047C (en) | 2015-05-14 | 2020-11-10 | W. L. Gore & Associates, Inc. | Devices and methods for occlusion of an atrial appendage |
| ES2956016T3 (es) | 2016-04-21 | 2023-12-11 | Gore & Ass | Endoprótesis ajustables diametralmente |
| AU2018342223B2 (en) | 2017-09-27 | 2021-04-01 | Edwards Lifesciences Corporation | Prosthetic valves with mechanically coupled leaflets |
| CN115177403A (zh) | 2017-09-27 | 2022-10-14 | W.L.戈尔及同仁股份有限公司 | 带有可扩张框架的假体瓣膜以及相关系统和方法 |
| US11173023B2 (en) | 2017-10-16 | 2021-11-16 | W. L. Gore & Associates, Inc. | Medical devices and anchors therefor |
| WO2019089136A1 (en) | 2017-10-31 | 2019-05-09 | W. L. Gore & Associates, Inc. | Medical valve and leaflet promoting tissue ingrowth |
| US11497601B2 (en) | 2019-03-01 | 2022-11-15 | W. L. Gore & Associates, Inc. | Telescoping prosthetic valve with retention element |
| JP2022015273A (ja) * | 2020-07-08 | 2022-01-21 | 株式会社ブリヂストン | 多孔質構造体、及び、多孔質構造体の製造方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1273717A (en) * | 1968-04-25 | 1972-05-10 | Durham Chem | Improvements in and relating to methods of treating polytetrafluoroethylene tapes for use in electrochemical cells |
| SE392582B (sv) * | 1970-05-21 | 1977-04-04 | Gore & Ass | Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande |
| CA980967A (en) * | 1971-02-03 | 1976-01-06 | Takayuki Katto | Process for producing porous articles of polytetrafluoroethylene |
| SE387886B (sv) * | 1973-03-19 | 1976-09-20 | Sumitomo Electric Industries | Forfarande for framstellning av en poros film av polytetrafluoreten |
| US6436135B1 (en) * | 1974-10-24 | 2002-08-20 | David Goldfarb | Prosthetic vascular graft |
| JPS5289298A (en) * | 1976-01-21 | 1977-07-26 | Sumitomo Electric Industries | Blood vessel prosthetics of tetrafluoroethylene resin |
| JPS603842B2 (ja) * | 1976-09-03 | 1985-01-31 | 住友電気工業株式会社 | 非対称孔径薄膜材料とその製造方法 |
| US4110392A (en) * | 1976-12-17 | 1978-08-29 | W. L. Gore & Associates, Inc. | Production of porous sintered PTFE products |
| DE2947743C2 (de) * | 1978-11-30 | 1983-12-08 | Sumitomo Electric Industries, Ltd., Osaka | Einheitliches, poröses röhrenförmiges Gebilde aus Polytetrafluoräthylen |
| US4385093A (en) * | 1980-11-06 | 1983-05-24 | W. L. Gore & Associates, Inc. | Multi-component, highly porous, high strength PTFE article and method for manufacturing same |
| US4596837A (en) * | 1982-02-22 | 1986-06-24 | Daikin Industries Ltd. | Semisintered polytetrafluoroethylene article and production thereof |
| FI77880C (fi) * | 1982-09-10 | 1989-05-10 | Gore & Ass | Poroest material bestaoende vaesentligen av en ptfe-polymer. |
| JPS59109506A (ja) * | 1982-12-14 | 1984-06-25 | Daikin Ind Ltd | 新規なポリテトラフルオロエチレン・フアインパウダ− |
| EP0155337B1 (en) * | 1984-03-27 | 1989-07-19 | Sumitomo Electric Industries Limited | Method and apparatus for manufacturing porous polytetrafluoroethylene material |
| US4743480A (en) * | 1986-11-13 | 1988-05-10 | W. L. Gore & Associates, Inc. | Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby |
-
1988
- 1988-10-12 GB GB8823934A patent/GB2211190A/en not_active Withdrawn
- 1988-10-12 DE DE88309542T patent/DE3879613T2/de not_active Expired - Lifetime
- 1988-10-12 EP EP88309542A patent/EP0313263B1/en not_active Expired - Lifetime
- 1988-10-14 IL IL88053A patent/IL88053A0/xx unknown
- 1988-10-18 NO NO88884629A patent/NO884629L/no unknown
- 1988-10-18 CN CN88108432A patent/CN1034889A/zh active Pending
- 1988-10-18 CA CA000580425A patent/CA1318093C/en not_active Expired - Lifetime
- 1988-10-18 JP JP63260731A patent/JP2547243B2/ja not_active Expired - Lifetime
- 1988-10-19 FI FI884830A patent/FI884830A/fi not_active Application Discontinuation
- 1988-10-19 DK DK581788A patent/DK581788A/da not_active Application Discontinuation
- 1988-10-19 PT PT88796A patent/PT88796B/pt not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568220A (zh) * | 2018-04-26 | 2018-09-25 | 杭州科百特过滤器材有限公司 | 聚四氟乙烯纳米过滤膜的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8823934D0 (en) | 1988-11-16 |
| JPH02645A (ja) | 1990-01-05 |
| DK581788A (da) | 1989-04-20 |
| EP0313263A2 (en) | 1989-04-26 |
| DE3879613T2 (de) | 1993-10-07 |
| FI884830A (fi) | 1989-04-20 |
| IL88053A0 (en) | 1989-06-30 |
| FI884830A0 (fi) | 1988-10-19 |
| DE3879613D1 (de) | 1993-04-29 |
| CN1034889A (zh) | 1989-08-23 |
| NO884629D0 (no) | 1988-10-18 |
| PT88796B (pt) | 1993-01-29 |
| DK581788D0 (da) | 1988-10-19 |
| GB2211190A (en) | 1989-06-28 |
| JP2547243B2 (ja) | 1996-10-23 |
| EP0313263B1 (en) | 1993-03-24 |
| EP0313263A3 (en) | 1989-10-18 |
| CA1318093C (en) | 1993-05-25 |
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