BR8906555A - Processo para inibir a degradacao de um bisfenol - Google Patents
Processo para inibir a degradacao de um bisfenolInfo
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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)
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 |
EP0643032B1 (en) * | 1991-07-16 | 1997-02-05 | Chiyoda Corporation | Condensation process for recovery of bisphenol A and phenol |
US5371302A (en) * | 1992-04-14 | 1994-12-06 | Nippon Steel Chemical Co., Ltd. | Process for preparing prilled bisphenol A |
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 |
US6306507B1 (en) | 1999-05-18 | 2001-10-23 | General Electric Company | Thermally stable polymers, method of preparation, and articles made therefrom |
US6861482B2 (en) * | 1999-05-18 | 2005-03-01 | General Electric Company | Weatherable, thermostable polymers having improved flow composition |
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 |
US20070287796A1 (en) * | 2006-06-12 | 2007-12-13 | General Electric Company | Method of stabilization of dihydric phenols |
US7521505B2 (en) * | 2006-06-12 | 2009-04-21 | Sabic Innovative Plastics Ip B.V. | 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)
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 |
-
1988
- 1988-12-22 US US07/289,083 patent/US4894486A/en not_active Expired - Lifetime
-
1989
- 1989-12-12 DE DE68922974T patent/DE68922974T2/de not_active Expired - Fee Related
- 1989-12-12 EP EP89122900A patent/EP0374692B1/en not_active Expired - Lifetime
- 1989-12-14 BR BR898906555A patent/BR8906555A/pt not_active Application Discontinuation
- 1989-12-15 JP JP1324108A patent/JP2820746B2/ja not_active Expired - Lifetime
- 1989-12-21 CA CA002006360A patent/CA2006360A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0374692A2 (en) | 1990-06-27 |
EP0374692A3 (en) | 1992-02-26 |
EP0374692B1 (en) | 1995-06-07 |
US4894486A (en) | 1990-01-16 |
CA2006360A1 (en) | 1990-06-22 |
DE68922974T2 (de) | 1996-02-01 |
DE68922974D1 (de) | 1995-07-13 |
JP2820746B2 (ja) | 1998-11-05 |
JPH02231444A (ja) | 1990-09-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FA2 | Application deemed withdrawn (art. 19(5)) |