ATE85319T1 - Reinigung von diphenylphthalaten. - Google Patents

Reinigung von diphenylphthalaten.

Info

Publication number: ATE85319T1
Authority: AT; Austria
Prior art keywords: esters; diphenylphthalates; purification; color; phenolic esters
Prior art date: 1987-08-11

Application number

AT88307381T

Other languages

English (en)

Inventor

Adin Lee Stautzenberger

Original Assignee

Hoechst Celanese Corp

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.)

1987-08-11

Filing date

1988-08-10

Publication date

1993-02-15

1988-08-10 Application filed by Hoechst Celanese Corp filed Critical Hoechst Celanese Corp

1993-02-15 Application granted granted Critical

1993-02-15 Publication of ATE85319T1 publication Critical patent/ATE85319T1/de

Links

238000000746 purification Methods 0.000 title 1
150000002148 esters Chemical class 0.000 abstract 2
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 2
230000001476 alcoholic effect Effects 0.000 abstract 1
239000003513 alkali Substances 0.000 abstract 1
-1 aromatic dicarboxylic acids Chemical class 0.000 abstract 1
239000002245 particle Substances 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Indole Compounds (AREA)
Working-Up Tar And Pitch (AREA)

AT88307381T 1987-08-11 1988-08-10 Reinigung von diphenylphthalaten. ATE85319T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/084,263 US4760166A (en)	1987-08-11	1987-08-11	Purification of diphenyl phthalates
EP88307381A EP0303455B1 (de)	1987-08-11	1988-08-10	Reinigung von Diphenylphthalaten

Publications (1)

Publication Number	Publication Date
ATE85319T1 true ATE85319T1 (de)	1993-02-15

Family

ID=22183840

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT88307381T ATE85319T1 (de)	1987-08-11	1988-08-10	Reinigung von diphenylphthalaten.

Country Status (6)

Country	Link
US (1)	US4760166A (de)
EP (1)	EP0303455B1 (de)
JP (1)	JPH0621114B2 (de)
AT (1)	ATE85319T1 (de)
CA (1)	CA1309688C (de)
DE (1)	DE3878088T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4868324A (en) *	1988-05-24	1989-09-19	Celanese Engineering Resins, Inc.	Purification of diphenyl phthalates
US5001250A (en) *	1989-05-30	1991-03-19	Occidental Chemical Corporation	Purification of bidentate organophosphorous extractants
TWI466863B (zh) *	2013-03-21	2015-01-01	Chang Chun Plastics Co Ltd	對苯二甲酸二（２－乙基己酯）之製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2197546A (en) *	1937-12-01	1940-04-16	Distillation Products Inc	Purification of esters
US2780643A (en) *	1950-08-05	1957-02-05	Ruhrchemie Ag	Production of water-clear phthalic acid esters from alcohols
DE1017611B (de) *	1953-12-31	1957-10-17	Basf Ag	Verfahren zur Abtrennung von Begleitstoffen aus festen, kristallinen Stoffen oder Stoffgemischen
US3597470A (en) *	1968-01-24	1971-08-03	Celanese Corp	Purification of bis(2-hydroxyethyl) terephthalate
US3705186A (en) *	1968-01-31	1972-12-05	Chemische Werke Witten Gmbh	Process for the preparation of diphenyl terephthalate
US4040793A (en) *	1973-05-09	1977-08-09	Hoechst Aktiengesellschaft	Apparatus for the purification of terephthalic acid dimethyl ester
US4118582A (en) *	1975-10-28	1978-10-03	E. I. Du Pont De Nemours And Company	Purification of spent ethylene glycol
US4349688A (en) *	1978-12-14	1982-09-14	Pennwalt Corporation	Polyoxyalkylene polycarboxylate esters

1987
- 1987-08-11 US US07/084,263 patent/US4760166A/en not_active Expired - Fee Related
1988
- 1988-08-03 CA CA000573706A patent/CA1309688C/en not_active Expired - Lifetime
- 1988-08-10 EP EP88307381A patent/EP0303455B1/de not_active Expired - Lifetime
- 1988-08-10 JP JP63199738A patent/JPH0621114B2/ja not_active Expired - Lifetime
- 1988-08-10 DE DE8888307381T patent/DE3878088T2/de not_active Expired - Fee Related
- 1988-08-10 AT AT88307381T patent/ATE85319T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0303455B1 (de)	1993-02-03
US4760166A (en)	1988-07-26
EP0303455A2 (de)	1989-02-15
DE3878088D1 (de)	1993-03-18
JPH0621114B2 (ja)	1994-03-23
EP0303455A3 (en)	1990-09-26
CA1309688C (en)	1992-11-03
JPS6470441A (en)	1989-03-15
DE3878088T2 (de)	1993-07-22

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Legal Events

Date	Code	Title	Description
1993-08-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties