CA1262994A - Membranes - Google Patents

Membranes

Info

Publication number
CA1262994A
CA1262994A CA000468558A CA468558A CA1262994A CA 1262994 A CA1262994 A CA 1262994A CA 000468558 A CA000468558 A CA 000468558A CA 468558 A CA468558 A CA 468558A CA 1262994 A CA1262994 A CA 1262994A
Authority
CA
Canada
Prior art keywords
membrane
groups
sulphonated
repeat units
membranes
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
CA000468558A
Other languages
English (en)
Inventor
Richard A. Hann
David R. Holmes
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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
Priority claimed from GB838331198A external-priority patent/GB8331198D0/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of CA1262994A publication Critical patent/CA1262994A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
CA000468558A 1983-11-23 1984-11-23 Membranes Expired CA1262994A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8331198 1983-11-23
GB838331198A GB8331198D0 (en) 1983-11-23 1983-11-23 Membranes
GB848428499A GB8428499D0 (en) 1983-11-23 1984-11-12 Membranes
GB8428499 1984-11-12

Publications (1)

Publication Number Publication Date
CA1262994A true CA1262994A (fr) 1989-11-14

Family

ID=26287028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000468558A Expired CA1262994A (fr) 1983-11-23 1984-11-23 Membranes

Country Status (5)

Country Link
AU (1) AU580271B2 (fr)
CA (1) CA1262994A (fr)
DK (1) DK555284A (fr)
ES (1) ES8604028A1 (fr)
GR (1) GR81009B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU574740B2 (en) * 1983-11-23 1988-07-14 Imperial Chemical Industries Plc Sulfonated polyarylether sulfone and membranes prepared therefrom
CA1263572A (fr) * 1984-06-15 1989-12-05 Kenichi Ikeda Composite au polysulfone sulfone pour membranes semi-permeables, et methode de production connexe
GB8513114D0 (en) * 1985-05-23 1985-06-26 Ici Plc Membranes
GB8513103D0 (en) * 1985-05-23 1985-06-26 Ici Plc Solution of polymeric material
DE58909860D1 (de) * 1988-04-30 1999-11-11 Akzo Nobel Nv Verfahren zur Sulfonierung von aromatischen Polyäthersulfonen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036947B1 (fr) * 1980-03-28 1983-11-09 Pennwalt Corporation Methode pour préparer une membrane en polymère sulfone non-sulfoné formable en film
AU574740B2 (en) * 1983-11-23 1988-07-14 Imperial Chemical Industries Plc Sulfonated polyarylether sulfone and membranes prepared therefrom
GB8512764D0 (en) * 1985-05-21 1985-06-26 Ici Plc Gas separation

Also Published As

Publication number Publication date
AU580271B2 (en) 1989-01-12
ES8604028A1 (es) 1986-01-16
GR81009B (en) 1985-02-13
DK555284A (da) 1985-05-24
ES537916A0 (es) 1986-01-16
DK555284D0 (da) 1984-11-22
AU3574484A (en) 1985-05-30

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Legal Events

Date Code Title Description
MKLA Lapsed