CH618712A5 - - Google Patents

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Publication number
CH618712A5
CH618712A5 CH709075A CH709075A CH618712A5 CH 618712 A5 CH618712 A5 CH 618712A5 CH 709075 A CH709075 A CH 709075A CH 709075 A CH709075 A CH 709075A CH 618712 A5 CH618712 A5 CH 618712A5
Authority
CH
Switzerland
Prior art keywords
polymer
group
ring
formula
nitrogen
Prior art date
Application number
CH709075A
Other languages
German (de)
English (en)
Inventor
Shigeyoshi Hara
Massao Senoo
Koh Mori
Yutaka Taketani
Original Assignee
Teijin 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 JP6096474A external-priority patent/JPS579377B2/ja
Priority claimed from JP6386374A external-priority patent/JPS579379B2/ja
Priority claimed from JP11042774A external-priority patent/JPS5831202B2/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of CH618712A5 publication Critical patent/CH618712A5/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/0683—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms
    • C08G73/0694—Polycondensates containing six-membered rings, condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only two nitrogen atoms in the ring, e.g. polyquinoxalines
    • 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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CH709075A 1974-05-31 1975-06-02 CH618712A5 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6096474A JPS579377B2 (ja) 1974-05-31 1974-05-31
JP6386374A JPS579379B2 (ja) 1974-06-07 1974-06-07
JP11042774A JPS5831202B2 (ja) 1974-09-27 1974-09-27 センタクセイトウカマク

Publications (1)

Publication Number Publication Date
CH618712A5 true CH618712A5 (ja) 1980-08-15

Family

ID=27297349

Family Applications (1)

Application Number Title Priority Date Filing Date
CH709075A CH618712A5 (ja) 1974-05-31 1975-06-02

Country Status (9)

Country Link
US (1) US4085090A (ja)
BE (1) BE829715A (ja)
CA (1) CA1093735A (ja)
CH (1) CH618712A5 (ja)
DE (2) DE2559931C2 (ja)
FR (1) FR2275506A1 (ja)
GB (1) GB1512691A (ja)
IT (1) IT1038619B (ja)
NL (1) NL181999C (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260652A (en) * 1977-06-08 1981-04-07 Teijin Limited Preparation of permselective composite membrane
JPS5535910A (en) * 1978-09-06 1980-03-13 Teijin Ltd Permselectivity composite membrane and preparation thereof
US4259183A (en) * 1978-11-07 1981-03-31 Midwest Research Institute Reverse osmosis membrane
JPS5681105A (en) * 1979-12-06 1981-07-02 Teijin Ltd Treatment of membrane
IL64967A0 (en) * 1981-03-17 1982-04-30 Aligena Ag Semipermeable membranes containing modified polysulfones,their manufacture and their use
DE3740871A1 (de) * 1986-12-02 1988-06-16 Fuji Photo Film Co Ltd Feinporige membran und verfahren zu ihrer herstellung
US5525436A (en) * 1994-11-01 1996-06-11 Case Western Reserve University Proton conducting polymers used as membranes
US6623639B2 (en) * 1999-03-19 2003-09-23 Bend Research, Inc. Solvent-resistant microporous polybenzimidazole membranes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630994A (en) * 1969-12-29 1971-12-28 Ashland Oil Inc Polyimides prepared from substituted quinoxalines
US3708439A (en) * 1971-09-28 1973-01-02 Upjohn Co Polybenzimidazoles
US3920768A (en) * 1974-01-14 1975-11-18 Union Carbide Corp Arylimide-epoxy resin composites

Also Published As

Publication number Publication date
DE2524332A1 (de) 1975-12-04
CA1093735A (en) 1981-01-13
NL7506464A (nl) 1975-12-02
DE2524332C3 (de) 1980-08-14
NL181999C (nl) 1987-12-16
DE2524332B2 (de) 1979-12-06
DE2559931B1 (de) 1979-10-25
GB1512691A (en) 1978-06-01
BE829715A (fr) 1975-09-15
NL181999B (nl) 1987-07-16
DE2559931C2 (de) 1980-06-26
IT1038619B (it) 1979-11-30
US4085090A (en) 1978-04-18
FR2275506B1 (ja) 1980-08-14
FR2275506A1 (fr) 1976-01-16

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Legal Events

Date Code Title Description
PL Patent ceased