DE68903197D1 - Verfahren zur reinigung von dihydroxybiphenylen. - Google Patents

Verfahren zur reinigung von dihydroxybiphenylen.

Info

Publication number
DE68903197D1
DE68903197D1 DE8989401749T DE68903197T DE68903197D1 DE 68903197 D1 DE68903197 D1 DE 68903197D1 DE 8989401749 T DE8989401749 T DE 8989401749T DE 68903197 T DE68903197 T DE 68903197T DE 68903197 D1 DE68903197 D1 DE 68903197D1
Authority
DE
Germany
Prior art keywords
purifying
dihydroxybiphenylene
diacetylbiphenyl
dihydroxybiphenyl
acylation
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 - Lifetime
Application number
DE8989401749T
Other languages
English (en)
Inventor
Alain Nonn
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 by Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE68903197D1 publication Critical patent/DE68903197D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8989401749T 1988-06-29 1989-06-21 Verfahren zur reinigung von dihydroxybiphenylen. Expired - Lifetime DE68903197D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8808725A FR2633612B1 (fr) 1988-06-29 1988-06-29 Procede de purification de dihydroxybiphenyles

Publications (1)

Publication Number Publication Date
DE68903197D1 true DE68903197D1 (de) 1992-11-19

Family

ID=9367844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989401749T Expired - Lifetime DE68903197D1 (de) 1988-06-29 1989-06-21 Verfahren zur reinigung von dihydroxybiphenylen.

Country Status (6)

Country Link
US (1) US5087768A (de)
EP (1) EP0349382B1 (de)
JP (1) JPH0248548A (de)
AT (1) ATE81496T1 (de)
DE (1) DE68903197D1 (de)
FR (1) FR2633612B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5368914A (en) * 1993-03-03 1994-11-29 The United States Of America As Represented By The Secretary Of The Navy Vibration-damping structural component
US5426021A (en) * 1993-07-02 1995-06-20 Krishnamurthy; Sundaram Liquid or low melting bis-phenol stabilizers for yellow image dye stabilization in ektacolor paper

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR493452A (fr) * 1916-07-11 1919-08-09 Georges Auguste Darzens Procédé pour la séparation des crésols
US2208808A (en) * 1936-09-22 1940-07-23 Schering Ag Method for the separation of acylatable substances from mixtures containing same
US2278634A (en) * 1938-08-01 1942-04-07 Du Pont Resins comprising the acrylic and methacrylic acid esters of the hydroxybiphenyls
FR51712E (fr) * 1941-07-01 1943-04-09 Saargruben Ag Procédé pour la séparation de mélanges de phénols purs à partir de produits de distillation contenant des phénols
US2829175A (en) * 1953-10-14 1958-04-01 Gulf Research Development Co Purification of bis-phenols
DE1155452B (de) * 1961-06-02 1963-10-10 Bayer Ag Verfahren zur Gewinnung aromatischer Dihydroxyverbindungen und Kohlensaeureester durch Spalten von Polycarbonaten aromatischer Dihydroxyverbindungen
JPS4016536B1 (de) * 1961-08-24 1965-07-29
US3383395A (en) * 1965-03-03 1968-05-14 Gen Electric Stabilization of organic materials with biphenyltriols
SU197708A1 (ru) * 1966-03-23 1973-01-08 ВСЕСОЮЗНАЯ IШ.-уул -•'УУк''ГГ<(.?>&'?3! tHihl^it-Abfr:'.- EUi.'tiБ^'-|€:ЛИО^ТКА (ТЕРЛ10
US4170711A (en) * 1974-03-12 1979-10-09 General Electric Company Brominated biphenol derivatives
US4885407A (en) * 1988-07-11 1989-12-05 General Electric Company Method for recovering a dihydric phenol from a scrap polyester
JPH0919159A (ja) * 1995-06-28 1997-01-17 Toyo Electric Mfg Co Ltd インバータ装置

Also Published As

Publication number Publication date
EP0349382B1 (de) 1992-10-14
JPH0248548A (ja) 1990-02-19
US5087768A (en) 1992-02-11
EP0349382A1 (de) 1990-01-03
FR2633612B1 (fr) 1991-03-08
ATE81496T1 (de) 1992-10-15
FR2633612A1 (fr) 1990-01-05

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Legal Events

Date Code Title Description
8332 No legal effect for de