BR8906555A - Processo para inibir a degradacao de um bisfenol - Google Patents

Processo para inibir a degradacao de um bisfenol

Info

Publication number
BR8906555A
BR8906555A BR898906555A BR8906555A BR8906555A BR 8906555 A BR8906555 A BR 8906555A BR 898906555 A BR898906555 A BR 898906555A BR 8906555 A BR8906555 A BR 8906555A BR 8906555 A BR8906555 A BR 8906555A
Authority
BR
Brazil
Prior art keywords
bisphenol
inhibit
degradation
Prior art date
Application number
BR898906555A
Other languages
English (en)
Inventor
Lawrence E Neil Jr
Theodore J Gormanos
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR8906555A publication Critical patent/BR8906555A/pt

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
    • C07C37/88—Use of additives, e.g. for stabilisation
BR898906555A 1988-12-22 1989-12-14 Processo para inibir a degradacao de um bisfenol BR8906555A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/289,083 US4894486A (en) 1988-12-22 1988-12-22 Stabilizer for bisphenols and process of using same

Publications (1)

Publication Number Publication Date
BR8906555A true BR8906555A (pt) 1990-09-04

Family

ID=23109986

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898906555A BR8906555A (pt) 1988-12-22 1989-12-14 Processo para inibir a degradacao de um bisfenol

Country Status (6)

Country Link
US (1) US4894486A (pt)
EP (1) EP0374692B1 (pt)
JP (1) JP2820746B2 (pt)
BR (1) BR8906555A (pt)
CA (1) CA2006360A1 (pt)
DE (1) DE68922974T2 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336813A (en) * 1990-11-13 1994-08-09 General Electric Company Process for low color bisphenol
US5091591A (en) * 1990-11-13 1992-02-25 General Electric Company Process and composition
CN1059428C (zh) * 1991-07-10 2000-12-13 千代田化工建设株式会社 高品位双酚a的制造方法
ES2097610T3 (es) * 1991-07-16 1997-04-01 Chiyoda Chem Eng Construct Co Procedimiento de condensacion para recuperacion de bisfenol a y fenol.
CN1040294C (zh) * 1992-04-14 1998-10-21 新日铁化学株式会社 2,2－双(4－羟基苯基)丙烷颗粒制造方法
US5382708A (en) * 1993-10-29 1995-01-17 General Electric Company Process for inhibiting dihydric phenol degradation and color formation and composition thereof
US5414149A (en) * 1994-03-02 1995-05-09 General Electric Company Color stable bisphenols
DE19840110C1 (de) 1998-09-03 2000-02-17 Bayer Ag Verfahren zur Herstellung von Bis(4-hydroxyaryl)alkanen
US6861482B2 (en) * 1999-05-18 2005-03-01 General Electric Company Weatherable, thermostable polymers having improved flow composition
US6306507B1 (en) 1999-05-18 2001-10-23 General Electric Company Thermally stable polymers, method of preparation, and articles made therefrom
JP3903719B2 (ja) * 2001-02-28 2007-04-11 三菱化学株式会社 熱安定性の優れたビスフェノール化合物
US20040116564A1 (en) * 2002-11-27 2004-06-17 Devlin Brian Gerrard Stabilization of poly(oxyalkylene) containing polymeric materials
US7521505B2 (en) * 2006-06-12 2009-04-21 Sabic Innovative Plastics Ip B.V. Method of stabilization of dihydric phenols
US20070287796A1 (en) * 2006-06-12 2007-12-13 General Electric Company Method of stabilization of dihydric phenols
JP6635575B2 (ja) 2014-04-25 2020-01-29 日鉄ケミカル＆マテリアル株式会社 安定性の良いフェノール化合物及びその製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965539A (en) * 1957-01-15 1960-12-20 Dow Chemical Co Stabilization of pentachlorophenol solutions
DE1200319B (de) * 1959-06-27 1965-09-09 Bayer Ag Thermostabilisierte Dihydroxydiarylalkane und -cycloalkane
GB1022583A (en) * 1962-06-20 1966-03-16 Monsanto Co Bis (hydroxyphenyl) alkanes
US3629339A (en) * 1969-03-28 1971-12-21 Hooker Chemical Corp Stabilization of phenols
US3855150A (en) * 1970-06-15 1974-12-17 Eastman Kodak Co Stabilization of hydroquinone solutions with citric acid
JPS5652886B2 (pt) * 1973-08-10 1981-12-15
US4160110A (en) * 1978-04-17 1979-07-03 General Electric Company Method for stabilizing bisphenols under melt or distillation conditions
JPS55164639A (en) * 1979-06-07 1980-12-22 Sumitomo Chem Co Ltd Prevention of dihydric phenol against discoloration
US4289587A (en) * 1980-04-29 1981-09-15 Vulcan Materials Company Stabilization of chlorinated phenols
US4359590A (en) * 1981-05-11 1982-11-16 Occidental Chemical Corporation Titanate ester-stabilized bisphenols

Also Published As

Publication number Publication date
DE68922974D1 (de) 1995-07-13
JP2820746B2 (ja) 1998-11-05
EP0374692A2 (en) 1990-06-27
JPH02231444A (ja) 1990-09-13
EP0374692A3 (en) 1992-02-26
US4894486A (en) 1990-01-16
EP0374692B1 (en) 1995-06-07
CA2006360A1 (en) 1990-06-22
DE68922974T2 (de) 1996-02-01

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Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA2 Application deemed withdrawn (art. 19(5))