DK0431477T3 - Fremgangsmåde til rensning af dimethylterephthalat - Google Patents

Fremgangsmåde til rensning af dimethylterephthalat

Info

Publication number: DK0431477T3
Authority: DK; Denmark
Prior art keywords: dimethyl terephthalate; purifying dimethyl; purifying; terephthalate; dimethyl
Prior art date: 1989-12-02

Application number

DK90122903.9T

Other languages

English (en)

Inventor

Wilfried Bachmann

Rolf Dr Bader

Horst Dr Buettner

Edgar Dr Wetzel

Original Assignee

Hoechst Ag

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.)

1989-12-02

Filing date

1990-11-30

Publication date

1994-05-02

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25887596&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0431477(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1990-11-30 Application filed by Hoechst Ag filed Critical Hoechst Ag

1994-05-02 Application granted granted Critical

1994-05-02 Publication of DK0431477T3 publication Critical patent/DK0431477T3/da

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
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DK90122903.9T 1989-12-02 1990-11-30 Fremgangsmåde til rensning af dimethylterephthalat DK0431477T3 (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3939913		1989-12-02
DE4017343		1990-05-30

Publications (1)

Publication Number	Publication Date
DK0431477T3 true DK0431477T3 (da)	1994-05-02

Family

ID=25887596

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK90122903.9T DK0431477T3 (da)	1989-12-02	1990-11-30	Fremgangsmåde til rensning af dimethylterephthalat

Country Status (8)

Country	Link
US (1)	US5116518A (da)
EP (1)	EP0431477B1 (da)
JP (1)	JPH03223234A (da)
DE (2)	DE59004416D1 (da)
DK (1)	DK0431477T3 (da)
ES (1)	ES2050343T3 (da)
IE (1)	IE904329A1 (da)
PT (1)	PT96056A (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4312491A1 (de) *	1993-04-16	1994-10-20	Hoechst Ag	Gewinnung von 4,4'-Biphenyl-dicarbonsäure-dimethylester
CN1041082C (zh) *	1993-05-12	1998-12-09	天津石油化工公司研究所	一种对苯二甲酸二甲酯膜式结晶精制方法
DE19848200A1 (de) *	1998-10-20	2000-04-27	Basf Ag	Verfahren zur Trocknung von Phenoxymethylbenzoesäuren
CN103193734B (zh) *	2013-04-24	2015-01-21	长春迈灵生物工程有限公司	一种甲氯噻嗪重结晶的高纯度种子循环注入方法
CN110746295A (zh) *	2019-11-13	2020-02-04	山东成武易信环保科技有限公司	一种dotp提纯工艺

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3076019A (en) *	1959-12-21	1963-01-29	Standard Oil Co	Process for production of dimethyl terephthalate
US3845100A (en) *	1970-02-13	1974-10-29	Standard Oil Co	Process for conversion of para-xylene to high purity dimethyl terephthalate
DD104973A5 (da) *	1972-09-12	1974-04-05
DE3430555A1 (de) *	1984-08-20	1986-02-27	Hoechst Ag, 6230 Frankfurt	Verfahren zur abtrennung von dimethylisophthalat und dimethylorthophthalat aus ihrem gemisch mit dimethylterephthalat
US4760165A (en) *	1985-11-13	1988-07-26	Teijin Petrochemical Industries, Ltd.	Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate
DE3904586A1 (de) *	1989-02-16	1990-08-23	Huels Chemische Werke Ag	Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsaeure

1990
- 1990-11-30 DE DE90122903T patent/DE59004416D1/de not_active Revoked
- 1990-11-30 PT PT96056A patent/PT96056A/pt not_active Application Discontinuation
- 1990-11-30 ES ES90122903T patent/ES2050343T3/es not_active Expired - Lifetime
- 1990-11-30 JP JP2337023A patent/JPH03223234A/ja active Pending
- 1990-11-30 DK DK90122903.9T patent/DK0431477T3/da active
- 1990-11-30 IE IE432990A patent/IE904329A1/en unknown
- 1990-11-30 DE DE4038138A patent/DE4038138A1/de not_active Withdrawn
- 1990-11-30 EP EP90122903A patent/EP0431477B1/de not_active Revoked
- 1990-12-03 US US07/621,644 patent/US5116518A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US5116518A (en)	1992-05-26
ES2050343T3 (es)	1994-05-16
JPH03223234A (ja)	1991-10-02
DE4038138A1 (de)	1991-06-06
EP0431477A1 (de)	1991-06-12
EP0431477B1 (de)	1994-01-26
PT96056A (pt)	1991-09-13
IE904329A1 (en)	1991-06-05
DE59004416D1 (de)	1994-03-10

Similar Documents

Publication	Publication Date	Title
NO176897C (no)	1995-06-14	System for område-begrensning
DE69032706D1 (de)	1998-11-26	Prozesskolonne
DK0512635T4 (da)	2000-10-02	Fremgangsmåde til fremstilling af isoparaffiner
DE69029649D1 (de)	1997-02-20	Plasma-Zündanlage
DE69030908D1 (de)	1997-07-17	Akustisch-digitales System
NO914402L (no)	1992-01-09	Roer-haandteringssystem
FI943556A (fi)	1995-01-30	Menetelmä kantoaineella olevien katalyyttien valmistamiseksi
DK652589A (da)	1990-07-12	Blandinger til fremstilling af drikke
DK0585347T3 (da)	1996-04-01	Fremgangsmåde til rensning af TiO2-malm
DK0395144T3 (da)	1993-08-09	Fremgangsmåde til fremtilling af aromatiske urinstoffer
DK0644158T3 (da)	1998-09-21	Fremgangsmåde til fremstilling af zirconiumdioxid
BR9206341A (pt)	1994-11-08	Processo de isolamento de DNA
DK0413672T3 (da)	1995-05-01	Fremgangsmåde til rensning af N-phosphonomethylglycin
BR8907508A (pt)	1991-06-11	Processo de hidrofluoretacao catalisada
NO941648D0 (no)	1994-05-04	Fremgangsmåte for fremstilling av katalysatorer
DK0604060T3 (da)	2000-06-05	Fremgangsmåde til fremstilling af riboflavin
DK0648738T3 (da)	1997-06-16	Fremgangsmåde til fremstilling af acetoacetarylamider
DK0464582T3 (da)	1996-05-28	Fremgangsmåde til rensning af fermentativt fremstillet riboflavin
DK0431477T3 (da)	1994-05-02	Fremgangsmåde til rensning af dimethylterephthalat
PT92171A (pt)	1990-05-31	Processo de preparacao de n-fosfonometil-glicina
BR8907504A (pt)	1991-06-11	Processo de hidrofluoracao catalisada
FI900011A0 (fi)	1990-01-02	Kolmoisvetoakselijärjestelmä
DK0648748T3 (da)	1997-10-13	Fremgangsmåde til fremstilling af 5-acetoacetylaminobenzimidazolon-2
DE69310997D1 (de)	1997-07-03	Prillverfahren
FI903088A0 (fi)	1990-06-19	Process foer framstaellning av straengsprutade skumkroppar.