GB1234589A - - Google Patents

Info

Publication number
GB1234589A
GB1234589A GB1234589DA GB1234589A GB 1234589 A GB1234589 A GB 1234589A GB 1234589D A GB1234589D A GB 1234589DA GB 1234589 A GB1234589 A GB 1234589A
Authority
GB
United Kingdom
Prior art keywords
acid
biphenyldisulphonic
temperature
mixture
sulphur dioxide
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
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 GB1234589A publication Critical patent/GB1234589A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB1234589D 1967-12-01 1968-10-18 Expired GB1234589A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68716067A 1967-12-01 1967-12-01

Publications (1)

Publication Number Publication Date
GB1234589A true GB1234589A (pt) 1971-06-03

Family

ID=24759319

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234589D Expired GB1234589A (pt) 1967-12-01 1968-10-18

Country Status (7)

Country Link
BE (1) BE722620A (pt)
CH (1) CH501601A (pt)
DE (1) DE1804693A1 (pt)
DK (1) DK118658B (pt)
FR (1) FR1588033A (pt)
GB (1) GB1234589A (pt)
LU (1) LU57150A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973650A (en) * 1989-06-09 1990-11-27 General Electric Company Polyarylsulfone derived from 1,4"-(bishalophenylsulfone)terphenyl

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1236425B (de) * 1962-05-12 1967-03-09 Gerresheimer Glas Ag Filterring fuer Muffendraenrohre
DE1263627B (de) * 1963-07-27 1968-03-14 Dr Rainer Kowald Draenung mit an den Stossstellen des Draenrohrstranges angebrachten Filterkoerpern, Verfahren zur Herstellung der an den Stossstellen angebrachten Filterkoerper und Draenmaschine zur Ausuebung des Verfahrens
DE1298457B (de) * 1966-06-02 1969-06-26 Baar Heinz Joachim Doppelsteckmuffe fuer Tonrohrdraenagen
GB2105713B (en) * 1981-07-23 1985-06-12 Sugai Chemical Ind Co Ltd Process for producing 4,4'-diphenyldisulfonic acid and its monopotassium salt
DE3402622C2 (de) * 1984-01-26 1986-10-30 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Diphenyl-4,4'-disulfonsäure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973650A (en) * 1989-06-09 1990-11-27 General Electric Company Polyarylsulfone derived from 1,4"-(bishalophenylsulfone)terphenyl

Also Published As

Publication number Publication date
DE1804693A1 (de) 1969-06-12
CH501601A (de) 1971-01-15
DK118658B (da) 1970-09-21
FR1588033A (pt) 1970-04-03
BE722620A (pt) 1969-04-01
LU57150A1 (pt) 1969-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees