DE3364804D1 - Polyamide membrane and process for its production - Google Patents

Polyamide membrane and process for its production

Info

Publication number
DE3364804D1
DE3364804D1 DE8383300518T DE3364804T DE3364804D1 DE 3364804 D1 DE3364804 D1 DE 3364804D1 DE 8383300518 T DE8383300518 T DE 8383300518T DE 3364804 T DE3364804 T DE 3364804T DE 3364804 D1 DE3364804 D1 DE 3364804D1
Authority
DE
Germany
Prior art keywords
production
polyamide membrane
polyamide
membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383300518T
Other languages
English (en)
Inventor
Thomas Charles Gsell
Irving Brian Joffee
Peter John Degen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pall Corp
Original Assignee
Pall Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23358045&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3364804(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of DE3364804D1 publication Critical patent/DE3364804D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/56—Polyamides, e.g. polyester-amides
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/12—Specific ratios of components used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/30—Cross-linking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
DE8383300518T 1982-02-05 1983-02-02 Polyamide membrane and process for its production Expired DE3364804D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34611982A 1982-02-05 1982-02-05

Publications (1)

Publication Number Publication Date
DE3364804D1 true DE3364804D1 (en) 1986-09-04

Family

ID=23358045

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383300518T Expired DE3364804D1 (en) 1982-02-05 1983-02-02 Polyamide membrane and process for its production

Country Status (11)

Country Link
EP (1) EP0090483B2 (de)
JP (1) JPS58145740A (de)
KR (1) KR870002122B1 (de)
AU (1) AU1097383A (de)
CH (1) CH656887A5 (de)
DE (1) DE3364804D1 (de)
ES (1) ES519537A0 (de)
FR (1) FR2521028B1 (de)
GB (1) GB2116107B (de)
PT (1) PT76200A (de)
ZA (1) ZA83775B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743418A (en) * 1981-05-29 1988-05-10 Cuno Incorporated Process for charge modifying a microporous membrane
US4737291A (en) * 1981-05-29 1988-04-12 Cuno Incorporated Charge modified microporous membrane
AU1435883A (en) * 1983-05-09 1984-11-15 Baxter Travenol Laboratories Inc. Porous membranes
US4693985A (en) * 1984-08-21 1987-09-15 Pall Corporation Methods of concentrating ligands and active membranes used therefor
JPS61101541A (ja) * 1984-10-24 1986-05-20 イー・アイ・デユポン・デ・ニモアス・アンド・カンパニー 気体分離膜及びその製造方法
US4774001A (en) * 1984-12-21 1988-09-27 Pall Corporation Supported microporous membrane
ATE56592T1 (de) * 1985-05-16 1990-10-15 Memtec Ltd Beseitigung und gewinnung pflanzlicher polyphenole.
US5141611A (en) * 1985-05-16 1992-08-25 Memtec Limited Removing and recovering plant polyphenols
GB2187396B (en) * 1986-03-07 1990-03-21 Pall Corp Filtering apparatus
GB8615268D0 (en) * 1986-06-23 1986-07-30 Domnick Hunter Filters Ltd Polyamide membranes
GB2199946A (en) * 1987-01-12 1988-07-20 Pall Corp Diagnostic device,
US5114585A (en) * 1988-03-01 1992-05-19 Gelman Sciences, Inc. Charged porous filter
JPH02180626A (ja) * 1988-12-29 1990-07-13 Toyo Roshi Kaisha Ltd ポリアミド微多孔性膜
GB8907740D0 (en) * 1989-04-06 1989-05-17 Beam Tech Ltd Porous articles
GB2257930B (en) * 1991-07-03 1995-04-19 Pall Corp An impervious article with a microporous surface and process for its production
EP0888810B1 (de) * 1996-03-18 2006-06-21 Nitto Denko Corporation Verbundmembran fur umkehrosmose und methode zur wasserbehandlung mit umkehrosmose mit hilfe derselben
US6413425B1 (en) 1997-04-10 2002-07-02 Nitto Denko Corporation Reverse osmosis composite membrane and reverse osmosis treatment method for water using the same
JP7239140B2 (ja) * 2018-08-29 2023-03-14 学校法人 中央大学 ろ過膜、ろ過膜の製造方法及び表面処理剤

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926154A (en) * 1957-09-05 1960-02-23 Hercules Powder Co Ltd Cationic thermosetting polyamide-epichlorohydrin resins and process of making same
US3224986A (en) * 1962-04-18 1965-12-21 Hercules Powder Co Ltd Cationic epichlorohydrin modified polyamide reacted with water-soluble polymers
US4340480A (en) * 1978-05-15 1982-07-20 Pall Corporation Process for preparing liquophilic polyamide membrane filter media and product
MX152562A (es) * 1978-05-15 1985-08-29 Pall Corp Mejoras a procedimiento para preparar membranas de resina de poliamida insolubles en alcohol,hidrofilicas y sin revestimiento
DE3168195D1 (en) * 1980-10-27 1985-02-21 Amf Inc A hydrophilic cationic charge modified microporous membrane, a process for producing it and its use

Also Published As

Publication number Publication date
ZA83775B (en) 1984-09-26
AU1097383A (en) 1983-08-11
FR2521028B1 (fr) 1985-07-26
EP0090483A3 (en) 1983-11-02
ES8403326A1 (es) 1984-03-16
KR870002122B1 (ko) 1987-12-09
JPS58145740A (ja) 1983-08-30
EP0090483A2 (de) 1983-10-05
FR2521028A1 (fr) 1983-08-12
KR840003433A (ko) 1984-09-08
CH656887A5 (fr) 1986-07-31
PT76200A (en) 1983-03-01
ES519537A0 (es) 1984-03-16
GB2116107B (en) 1985-08-29
EP0090483B1 (de) 1986-07-30
JPS6341943B2 (de) 1988-08-19
GB2116107A (en) 1983-09-21
EP0090483B2 (de) 1991-08-21
GB8302944D0 (en) 1983-03-09

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings