IL85922A - Preparation of diether diphthalic anhydrides - Google Patents

Preparation of diether diphthalic anhydrides

Info

Publication number: IL85922A
Authority: IL; Israel
Prior art keywords: diether; preparation; diphthalic anhydrides; diphthalic; anhydrides
Prior art date: 1987-04-27

Application number

IL85922A

Other languages

English (en)

Other versions

IL85922A0 (en

Original Assignee

Occidental Chem 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.)

1987-04-27

Filing date

1988-03-30

Publication date

1992-01-15

1988-03-30 Application filed by Occidental Chem Co filed Critical Occidental Chem Co

1988-09-30 Publication of IL85922A0 publication Critical patent/IL85922A0/xx

1992-01-15 Publication of IL85922A publication Critical patent/IL85922A/xx

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/567—Preparation of carboxylic acid anhydrides by reactions not involving carboxylic acid anhydride groups

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Furan Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Indole Compounds (AREA)
Orthopedics, Nursing, And Contraception (AREA)
Paints Or Removers (AREA)
Epoxy Resins (AREA)
Chemically Coating (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Laminated Bodies (AREA)
Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Steroid Compounds (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

IL85922A 1987-04-27 1988-03-30 Preparation of diether diphthalic anhydrides IL85922A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/042,760 US4868316A (en)	1987-04-27	1987-04-27	Process for the preparation of diether diphthalic anhydrides

Publications (2)

Publication Number	Publication Date
IL85922A0 IL85922A0 (en)	1988-09-30
IL85922A true IL85922A (en)	1992-01-15

Family

ID=21923605

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL85922A IL85922A (en)	1987-04-27	1988-03-30	Preparation of diether diphthalic anhydrides

Country Status (10)

Country	Link
US (1)	US4868316A (de)
EP (1)	EP0288974B1 (de)
JP (1)	JPS63295569A (de)
AT (1)	ATE95162T1 (de)
BR (1)	BR8801928A (de)
CA (1)	CA1269391A (de)
DE (1)	DE3884450T2 (de)
ES (1)	ES2059425T3 (de)
IL (1)	IL85922A (de)
NO (1)	NO173095C (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4837404A (en) *	1987-08-24	1989-06-06	Occidental Chemical Corporation	Process for the preparation of oxy-diphthalic anhydrides
US4827000A (en) *	1987-09-21	1989-05-02	Occidental Chemical Corporation	Process for the preparation of phenoxy phthalic anhydrides
US5003031A (en) *	1989-05-15	1991-03-26	Occidental Chemical Corporation	Polyimides and co-polyimides based on dioxydiphthalic anhydride
US5077415A (en) *	1990-01-19	1991-12-31	Ciba-Geigy Corporation	Disubstituted aromatic dianhydrides
US5153335A (en) *	1990-06-08	1992-10-06	Occidental Chemical Corporation	Process for the preparation of oxydiphthalic anhydride and acyloxyphthalic anhydrides
DE19526855A1 (de) *	1995-07-22	1997-01-23	Basf Ag	Verfahren zur Herstellung von Polyarylenethern mit Anhydridendgruppen
DE19704488A1 (de) *	1997-02-07	1998-08-13	Basf Ag	Verfahren zur Herstellung von Blockcopolymeren
US6881815B2 (en) *	2002-09-25	2005-04-19	General Electric Company	Method for the preparation poly(etherimide)s
US7268237B2 (en) *	2005-03-11	2007-09-11	General Electric Company	Direct dianhydride synthesis
CN108148029B (zh) *	2017-12-27	2021-06-08	上海固创化工新材料有限公司	一种双酚a二醚二酐的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3850965A (en) *	1973-03-30	1974-11-26	Gen Electric	Method for making aromatic ether anhydrides and products made thereby
US3850964A (en) *	1973-03-30	1974-11-26	Gen Electric	Method for making aromatic bis(ether anhydride)s
US4005134A (en) *	1975-09-11	1977-01-25	General Electric Company	Method for making aromatic bis(ether dicarboxylic acid)
US3992407A (en) *	1976-04-14	1976-11-16	General Electric Company	Preparation of aromatic bisimides
US4697023A (en) *	1986-10-03	1987-09-29	Occidental Chemical Corporation	Process for the preparation of oxy-diphthalic anhydrides
US4757149A (en) *	1986-12-31	1988-07-12	General Electric Company	Synthesis of bis(N-substituted phthalimide)ethers

1987
- 1987-04-27 US US07/042,760 patent/US4868316A/en not_active Expired - Lifetime
1988
- 1988-03-30 IL IL85922A patent/IL85922A/xx not_active IP Right Cessation
- 1988-04-22 NO NO881758A patent/NO173095C/no unknown
- 1988-04-22 BR BR8801928A patent/BR8801928A/pt not_active Application Discontinuation
- 1988-04-22 CA CA000564849A patent/CA1269391A/en not_active Expired - Lifetime
- 1988-04-26 EP EP88106666A patent/EP0288974B1/de not_active Expired - Lifetime
- 1988-04-26 DE DE88106666T patent/DE3884450T2/de not_active Expired - Fee Related
- 1988-04-26 AT AT88106666T patent/ATE95162T1/de not_active IP Right Cessation
- 1988-04-26 ES ES88106666T patent/ES2059425T3/es not_active Expired - Lifetime
- 1988-04-27 JP JP63105392A patent/JPS63295569A/ja active Pending

Also Published As

Publication number	Publication date
NO173095C (no)	1993-10-27
EP0288974A3 (en)	1990-05-09
CA1269391A (en)	1990-05-22
NO173095B (no)	1993-07-19
ATE95162T1 (de)	1993-10-15
JPS63295569A (ja)	1988-12-01
NO881758L (no)	1988-10-28
BR8801928A (pt)	1988-11-22
US4868316A (en)	1989-09-19
IL85922A0 (en)	1988-09-30
EP0288974A2 (de)	1988-11-02
DE3884450T2 (de)	1994-03-03
EP0288974B1 (de)	1993-09-29
ES2059425T3 (es)	1994-11-16
NO881758D0 (no)	1988-04-22
DE3884450D1 (de)	1993-11-04

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Legal Events

Date	Code	Title	Description
1999-03-12	RH	Patent void