WO2002024315A1 - Porous membrane - Google Patents
Porous membrane Download PDFInfo
- Publication number
- WO2002024315A1 WO2002024315A1 PCT/JP2001/007923 JP0107923W WO0224315A1 WO 2002024315 A1 WO2002024315 A1 WO 2002024315A1 JP 0107923 W JP0107923 W JP 0107923W WO 0224315 A1 WO0224315 A1 WO 0224315A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- porous
- porous body
- fiber
- porous membrane
- membrane
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 186
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 102
- 239000000835 fiber Substances 0.000 claims description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 55
- 239000012510 hollow fiber Substances 0.000 claims description 38
- 230000035699 permeability Effects 0.000 claims description 36
- 239000011148 porous material Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 239000002033 PVDF binder Substances 0.000 claims description 9
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229920002994 synthetic fiber Polymers 0.000 claims description 6
- 239000012209 synthetic fiber Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012784 inorganic fiber Substances 0.000 claims description 3
- 229920001225 polyester resin Polymers 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 239000004645 polyester resin Substances 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 24
- 239000010410 layer Substances 0.000 description 22
- 238000000926 separation method Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 16
- 238000011282 treatment Methods 0.000 description 15
- -1 polyethylene Polymers 0.000 description 11
- 238000005345 coagulation Methods 0.000 description 10
- 230000015271 coagulation Effects 0.000 description 10
- 229920002492 poly(sulfone) Polymers 0.000 description 10
- 229920000728 polyester Polymers 0.000 description 10
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 239000010408 film Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 238000009987 spinning Methods 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000011550 stock solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920002239 polyacrylonitrile Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000008235 industrial water Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920006316 polyvinylpyrrolidine Polymers 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical group FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 1
- 229920002972 Acrylic fiber Polymers 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 240000000491 Corchorus aestuans Species 0.000 description 1
- 235000011777 Corchorus aestuans Nutrition 0.000 description 1
- 235000010862 Corchorus capsularis Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 229920001407 Modal (textile) Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000954 Polyglycolide Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 101001012040 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) Immunomodulating metalloprotease Proteins 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000001891 gel spinning Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004633 polyglycolic acid Substances 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001330 spinodal decomposition reaction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
- B01D69/1071—Woven, non-woven or net mesh
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1213—Laminated layers
-
- 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
- B01D71/34—Polyvinylidene fluoride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
-
- 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
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-7004025A KR20030059145A (ko) | 2000-09-21 | 2001-09-12 | 다공질막 |
CA002422697A CA2422697A1 (en) | 2000-09-21 | 2001-09-12 | Porous membrane |
AU2001286207A AU2001286207A1 (en) | 2000-09-21 | 2001-09-12 | Porous membrane |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-287044 | 2000-09-21 | ||
JP2000287044 | 2000-09-21 | ||
JP2001-267301 | 2001-09-04 | ||
JP2001267301A JP2002166141A (ja) | 2000-09-21 | 2001-09-04 | 多孔質膜 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002024315A1 true WO2002024315A1 (en) | 2002-03-28 |
Family
ID=26600425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/007923 WO2002024315A1 (en) | 2000-09-21 | 2001-09-12 | Porous membrane |
Country Status (8)
Country | Link |
---|---|
US (1) | US20020046970A1 (ja) |
JP (1) | JP2002166141A (ja) |
KR (1) | KR20030059145A (ja) |
CN (1) | CN1458858A (ja) |
AU (1) | AU2001286207A1 (ja) |
CA (1) | CA2422697A1 (ja) |
TW (1) | TWI252776B (ja) |
WO (1) | WO2002024315A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113289499A (zh) * | 2021-06-11 | 2021-08-24 | 盐城海普润科技股份有限公司 | 内压式中空纤维超滤膜及其制备方法和应用 |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7572374B2 (en) * | 2000-04-13 | 2009-08-11 | Transvivo, Inc. | Anticoagulant and thrombo-resistant hollow fiber membranes for in-vivo plasmapheresis and ultrafiltration |
US7585412B2 (en) * | 2000-04-13 | 2009-09-08 | Transvivo, Inc. | Specialized hollow fiber membranes for plasmapheresis and ultrafiltration |
RU2327507C2 (ru) * | 2002-12-24 | 2008-06-27 | Майкротек Медикал Холдингс, Инк. | Фильтрующий материал из поливинилового спирта |
JP4885539B2 (ja) * | 2003-03-13 | 2012-02-29 | 株式会社クレハ | フッ化ビニリデン系樹脂多孔膜およびその製造方法 |
US20060278574A1 (en) * | 2003-06-06 | 2006-12-14 | Pall Corporation | Fluid treatment element |
DE10358477B3 (de) * | 2003-12-11 | 2005-04-21 | Poromedia Gmbh | Verfahren zum Herstellen von rohrförmigen Membranen |
US7354392B2 (en) | 2004-02-25 | 2008-04-08 | Transvivo Inc. | Structurally optimized hollow fiber membranes |
US7122121B1 (en) * | 2004-05-28 | 2006-10-17 | Jiang Ji | Advanced submerged membrane modules, systems and processes |
JP2006083292A (ja) * | 2004-09-16 | 2006-03-30 | Fuji Photo Film Co Ltd | 微細多孔性膜の安定製造方法および核酸分離精製方法におけるその使用 |
CN100393397C (zh) * | 2006-04-28 | 2008-06-11 | 天津大学 | 网状纤维增强型聚偏氟乙烯中空纤维膜的制备方法 |
US7437939B1 (en) * | 2007-04-13 | 2008-10-21 | Rosemount Inc. | Pressure and mechanical sensors using titanium-based superelastic alloy |
US9174174B2 (en) | 2008-09-19 | 2015-11-03 | Toray Industries, Inc. | Separation membrane and method for producing the same |
CN101684403B (zh) * | 2008-09-25 | 2013-03-20 | 中国科学院化学研究所 | 一种天然微管包封的相变微胶囊及其制备方法 |
US9199185B2 (en) * | 2009-05-15 | 2015-12-01 | Cummins Filtration Ip, Inc. | Surface coalescers |
EP2411127B1 (en) * | 2009-03-26 | 2022-01-05 | BL Technologies, Inc. | Non-braided reinforced hollow fibre membrane |
TWI480231B (zh) * | 2009-04-16 | 2015-04-11 | Sumitomo Electric Industries | 含油排水處理方法 |
CN102665878B (zh) * | 2009-06-26 | 2015-01-28 | Bl科技公司 | 非编织、织物增强的中空纤维膜 |
KR101157514B1 (ko) * | 2010-05-28 | 2012-06-20 | 중앙대학교 산학협력단 | 두께관통형 미세기공을 가지는 고분자 또는 고분자복합재료 멤브레인 및 그 제조방법 |
WO2012036935A1 (en) | 2010-09-15 | 2012-03-22 | Bl Technologies, Inc. | Method to make a yarn-reinforced hollow fibre membranes around a soluble core |
GB2485384A (en) * | 2010-11-12 | 2012-05-16 | Ngee Ann Polytechnic | Porous fibre encapsulating biological material |
US8529814B2 (en) | 2010-12-15 | 2013-09-10 | General Electric Company | Supported hollow fiber membrane |
US8585806B2 (en) * | 2011-01-11 | 2013-11-19 | Hydration Systems, Llc | Gas separation membrane |
CN102188911B (zh) * | 2011-05-10 | 2013-04-03 | 浙江开创环保科技有限公司 | 带单丝支撑材料的聚偏氟乙烯中空纤维膜的制备方法 |
US20130145699A1 (en) * | 2011-12-08 | 2013-06-13 | John R. Olthoff | Gutter protector |
US9321014B2 (en) * | 2011-12-16 | 2016-04-26 | Bl Technologies, Inc. | Hollow fiber membrane with compatible reinforcements |
US9643129B2 (en) | 2011-12-22 | 2017-05-09 | Bl Technologies, Inc. | Non-braided, textile-reinforced hollow fiber membrane |
US9022229B2 (en) | 2012-03-09 | 2015-05-05 | General Electric Company | Composite membrane with compatible support filaments |
US8999454B2 (en) | 2012-03-22 | 2015-04-07 | General Electric Company | Device and process for producing a reinforced hollow fibre membrane |
WO2014027966A1 (en) * | 2012-08-15 | 2014-02-20 | Nanyang Technological University | Reinforced membranes for producing osmotic power in pressure retarded osmosis |
US9227362B2 (en) | 2012-08-23 | 2016-01-05 | General Electric Company | Braid welding |
US10058808B2 (en) | 2012-10-22 | 2018-08-28 | Cummins Filtration Ip, Inc. | Composite filter media utilizing bicomponent fibers |
US9234353B2 (en) * | 2013-02-14 | 2016-01-12 | Mark Pavlansky | Porous cover mat especially suited for use with K-style gutters |
JP5772867B2 (ja) * | 2013-04-23 | 2015-09-02 | Nok株式会社 | 繊維強化多孔質中空糸膜 |
US20150151236A1 (en) * | 2013-12-04 | 2015-06-04 | Bha Altair, Llc | Filter media and method of forming thereof |
CN104725748A (zh) * | 2014-08-22 | 2015-06-24 | 赵杰 | 超惰性纤维增强复合材料及制备方法 |
AU2016381988B2 (en) * | 2015-12-28 | 2020-12-03 | Toray Industries, Inc. | Hollow fiber membrane module and method for operating same |
CN109195689B (zh) * | 2016-05-31 | 2021-09-07 | 东丽株式会社 | 中空丝膜组件 |
CN109475790A (zh) | 2016-07-19 | 2019-03-15 | 康明斯滤清系统知识产权公司 | 穿孔层聚结器 |
JP2020179383A (ja) * | 2019-04-26 | 2020-11-05 | 日星電気株式会社 | 耐圧縮性に優れるチューブ |
WO2023074670A1 (ja) * | 2021-10-29 | 2023-05-04 | 株式会社クラレ | 多孔質膜及び多孔質膜の製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4991969A (ja) * | 1972-11-08 | 1974-09-03 | ||
JPS5339982A (en) * | 1976-09-25 | 1978-04-12 | Matsushita Electric Ind Co Ltd | Reverse osmotic membrane |
WO1993023153A1 (en) * | 1992-05-18 | 1993-11-25 | Costar Corporation | Supported microporous membranes |
US5514461A (en) * | 1993-10-05 | 1996-05-07 | Kureha Chemical Industry Co., Ltd. | Vinylidene fluoride porous membrane and method of preparing the same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1010458C2 (nl) * | 1998-11-03 | 2000-05-04 | Search B V S | Longitudinaal versterkte zelfdragende capillaire membranen en gebruik daarvan. |
-
2001
- 2001-09-04 JP JP2001267301A patent/JP2002166141A/ja active Pending
- 2001-09-12 KR KR10-2003-7004025A patent/KR20030059145A/ko not_active Application Discontinuation
- 2001-09-12 WO PCT/JP2001/007923 patent/WO2002024315A1/ja active Application Filing
- 2001-09-12 AU AU2001286207A patent/AU2001286207A1/en not_active Abandoned
- 2001-09-12 CN CN01815868A patent/CN1458858A/zh active Pending
- 2001-09-12 CA CA002422697A patent/CA2422697A1/en not_active Abandoned
- 2001-09-20 US US09/956,599 patent/US20020046970A1/en not_active Abandoned
- 2001-09-20 TW TW090123185A patent/TWI252776B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4991969A (ja) * | 1972-11-08 | 1974-09-03 | ||
JPS5339982A (en) * | 1976-09-25 | 1978-04-12 | Matsushita Electric Ind Co Ltd | Reverse osmotic membrane |
WO1993023153A1 (en) * | 1992-05-18 | 1993-11-25 | Costar Corporation | Supported microporous membranes |
US5514461A (en) * | 1993-10-05 | 1996-05-07 | Kureha Chemical Industry Co., Ltd. | Vinylidene fluoride porous membrane and method of preparing the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113289499A (zh) * | 2021-06-11 | 2021-08-24 | 盐城海普润科技股份有限公司 | 内压式中空纤维超滤膜及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN1458858A (zh) | 2003-11-26 |
KR20030059145A (ko) | 2003-07-07 |
JP2002166141A (ja) | 2002-06-11 |
TWI252776B (en) | 2006-04-11 |
CA2422697A1 (en) | 2003-03-18 |
US20020046970A1 (en) | 2002-04-25 |
AU2001286207A1 (en) | 2002-04-02 |
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