GB1303252A - - Google Patents

Info

Publication number
GB1303252A
GB1303252A GB3844069A GB1303252DA GB1303252A GB 1303252 A GB1303252 A GB 1303252A GB 3844069 A GB3844069 A GB 3844069A GB 1303252D A GB1303252D A GB 1303252DA GB 1303252 A GB1303252 A GB 1303252A
Authority
GB
United Kingdom
Prior art keywords
alkali metal
polymers
units
dibenzothiophen
dioxo
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
GB3844069A
Other languages
English (en)
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
Application filed filed Critical
Publication of GB1303252A publication Critical patent/GB1303252A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/76—Dibenzothiophenes
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
    • 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
    • C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/20—Polysulfones
    • C08G75/23—Polyethersulfones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Polyethers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB3844069A 1969-07-31 1969-07-31 Expired GB1303252A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3844069 1969-07-31

Publications (1)

Publication Number Publication Date
GB1303252A true GB1303252A (https=) 1973-01-17

Family

ID=10403459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3844069A Expired GB1303252A (https=) 1969-07-31 1969-07-31

Country Status (3)

Country Link
US (1) US3775368A (https=)
DE (1) DE2038241A1 (https=)
GB (1) GB1303252A (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772940A (en) * 1985-05-22 1988-09-20 Regents Of The University Of California Polymer having isothianaphthene structure and electrochromic display
US4795242A (en) * 1985-05-22 1989-01-03 University Of California Conducting substituted polyisothianaphthenes
US4789722A (en) * 1986-01-30 1988-12-06 Hercules Incorporated Polyarylene polyether made using mixed base system
ES8707983A1 (es) * 1986-01-30 1987-09-01 Hercules Inc Un procedimiento para preparar poliarilen-polieteres
GB9023365D0 (en) * 1990-10-26 1990-12-05 Raychem Ltd Aryl-ether-sulphone monomers and aryl-ether-ketone-sulphone polymers

Also Published As

Publication number Publication date
DE2038241A1 (de) 1971-02-11
US3775368A (en) 1973-11-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees