GB2238966B - Solvent-stable semipermeable composite membranes - Google Patents

Solvent-stable semipermeable composite membranes

Info

Publication number: GB2238966B
Authority: GB; United Kingdom
Prior art keywords: solvent; composite membranes; semipermeable composite; stable semipermeable; stable
Prior art date: 1989-10-30
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 - Fee Related

Application number

GB8924411A

Other versions

GB2238966A (en

GB8924411D0 (en

Inventor

Charles Linder

Mara Nemas

Mordechai Perry

Reuven Ketraro

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.)

Aligena AG

Original Assignee

Aligena AG

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.)

1989-10-30

Filing date

1989-10-30

Publication date

1993-08-25

1989-10-30 Application filed by Aligena AG filed Critical Aligena AG

1989-10-30 Priority to GB8924411A priority Critical patent/GB2238966B/en

1989-12-20 Publication of GB8924411D0 publication Critical patent/GB8924411D0/en

1990-03-26 Priority to IL9388790A priority patent/IL93887A/en

1990-04-10 Priority to AT90810287T priority patent/ATE115437T1/en

1990-04-10 Priority to EP90810287A priority patent/EP0392982B1/en

1990-04-10 Priority to DE69014967T priority patent/DE69014967T2/en

1990-04-11 Priority to US07/507,567 priority patent/US5032282A/en

1990-04-13 Priority to JP09918490A priority patent/JP3145093B2/en

1991-06-19 Publication of GB2238966A publication Critical patent/GB2238966A/en

1993-08-25 Application granted granted Critical

1993-08-25 Publication of GB2238966B publication Critical patent/GB2238966B/en

1998-06-16 Priority to HK98105348A priority patent/HK1006156A1/en

2009-10-30 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- 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
- B01D67/0093—Chemical modification
- B01D67/00933—Chemical modification by addition of a layer chemically bonded to the membrane
- 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
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
- 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
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
- B01D71/421—Polyacrylonitrile
- 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

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Separation Using Semi-Permeable Membranes (AREA)

GB8924411A 1989-04-14 1989-10-30 Solvent-stable semipermeable composite membranes Expired - Fee Related GB2238966B (en)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
GB8924411A GB2238966B (en)	1989-10-30	1989-10-30	Solvent-stable semipermeable composite membranes
IL9388790A IL93887A (en)	1989-10-02	1990-03-26	Solvent resistant polzmeric membranes containing crosslinks
DE69014967T DE69014967T2 (en)	1989-04-14	1990-04-10	Solvent resistant membranes.
EP90810287A EP0392982B1 (en)	1989-04-14	1990-04-10	Solvent stable membranes
AT90810287T ATE115437T1 (en)	1989-04-14	1990-04-10	SOLVENT RESISTANT DIAPHRAGM.
US07/507,567 US5032282A (en)	1989-04-14	1990-04-11	Solvent-stable semipermeable composite membranes
JP09918490A JP3145093B2 (en)	1989-04-14	1990-04-13	Solvent stable composite membrane
HK98105348A HK1006156A1 (en)	1989-04-14	1998-06-16	Solvent stable membranes

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8924411A GB2238966B (en)	1989-10-30	1989-10-30	Solvent-stable semipermeable composite membranes

Publications (3)

Publication Number	Publication Date
GB8924411D0 GB8924411D0 (en)	1989-12-20
GB2238966A GB2238966A (en)	1991-06-19
GB2238966B true GB2238966B (en)	1993-08-25

Family

ID=10665409

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8924411A Expired - Fee Related GB2238966B (en)	1989-04-14	1989-10-30	Solvent-stable semipermeable composite membranes

Country Status (1)

Country	Link
GB (1)	GB2238966B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2360004B (en) *	2000-02-11	2003-05-14	Univ East London	Pervaporation separation of ethanol/water mixtures
US7942274B2 (en)	2000-05-24	2011-05-17	Millipore Corporation	High-throughput asymmetric membrane
JP2005525926A (en) *	2002-05-17	2005-09-02	ミリポア・コーポレイション	High throughput asymmetric membrane

1989
- 1989-10-30 GB GB8924411A patent/GB2238966B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
GB2238966A (en)	1991-06-19
GB8924411D0 (en)	1989-12-20

Publication	Publication Date	Title
GB2247419B (en)	1993-08-25	Semipermeable composite membranes
US4941893B1 (en)	1996-07-30	Gas separation by semi-permeable membranes
EP0245863A3 (en)	1988-02-10	Composite ultrafiltration membranes
GB8609653D0 (en)	1986-05-29	Composite membranes
EP0211633A3 (en)	1987-11-11	Semipermeable composite membrane
AU3509589A (en)	1989-11-30	Composite membranes
ZA909602B (en)	1991-11-27	Dry high flux semipermeable membranes
AU3509389A (en)	1989-11-30	Composite membranes
DE3760407D1 (en)	1989-09-14	Composite membrane
SG25493G (en)	1993-07-09	Polyamide reverse osmosis membranes
EP0275027A3 (en)	1989-03-15	Reverse osmosis membranes
GB2218424B (en)	1992-01-08	A surface-hydrophilic semipermeable membrane
EP0480039A4 (en)	1993-03-10	Composite membrane
GB2218011B (en)	1992-02-12	Composite semipermeable membrane
IL87126A (en)	1992-03-29	Reverse osmosis membranes
GB8807372D0 (en)	1988-05-05	Membranes
GB2198972B (en)	1990-10-03	Filtration membranes
EP0427079A3 (en)	1991-08-14	Semipermeable polyetherketone membrane
GB8609248D0 (en)	1986-05-21	Composite membranes
GB8916441D0 (en)	1989-09-06	Membranes
DK0532687T3 (en)	1996-05-20	Semipermeable composite membrane
GB2238966B (en)	1993-08-25	Solvent-stable semipermeable composite membranes
GB8912425D0 (en)	1989-07-19	Porous composite membranes
AU3418289A (en)	1990-04-02	Chlorine-resistant semipermeable membranes
IE890872L (en)	1990-09-20	Chlorine-resistant semipermeable membranes

Legal Events

Date	Code	Title	Description
1993-08-18	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
1995-06-28	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19941030