BR7403648D0 - Processo para purificar ester dimetilico de acido tereftalico - Google Patents

Processo para purificar ester dimetilico de acido tereftalico

Info

Publication number: BR7403648D0
Authority: BR; Brazil
Prior art keywords: purify; dimethyl ester; acid dimethyl; tereftallic; tereftallic acid
Prior art date: 1973-05-09

Application number

BR3648/74A

Other languages

English (en)

Inventor

H Seipp

H Hortig

H Giller

E Achsel

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.)

1973-05-09

Filing date

1974-05-06

Publication date

1974-12-24

1974-05-06 Application filed by Hoechst Ag filed Critical Hoechst Ag

1974-12-24 Publication of BR7403648D0 publication Critical patent/BR7403648D0/pt

Links

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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D2011/002—Counter-current extraction

Landscapes

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

BR3648/74A 1973-05-09 1974-05-06 Processo para purificar ester dimetilico de acido tereftalico BR7403648D0 (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2323219A DE2323219A1 (de)	1973-05-09	1973-05-09	Verfahren zur reinigung von terephthalsaeuredimethylester

Publications (1)

Publication Number	Publication Date
BR7403648D0 true BR7403648D0 (pt)	1974-12-24

Family

ID=5880302

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR3648/74A BR7403648D0 (pt)	1973-05-09	1974-05-06	Processo para purificar ester dimetilico de acido tereftalico

Country Status (10)

Country	Link
US (1)	US3962315A (pt)
JP (1)	JPS5030840A (pt)
BE (1)	BE814784A (pt)
BR (1)	BR7403648D0 (pt)
DE (1)	DE2323219A1 (pt)
ES (1)	ES425941A1 (pt)
FR (1)	FR2228765B1 (pt)
GB (1)	GB1426307A (pt)
IT (1)	IT1010464B (pt)
NL (1)	NL7405991A (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5640694Y2 (pt) *	1975-03-06	1981-09-22
DE3430555A1 (de) *	1984-08-20	1986-02-27	Hoechst Ag, 6230 Frankfurt	Verfahren zur abtrennung von dimethylisophthalat und dimethylorthophthalat aus ihrem gemisch mit dimethylterephthalat
US4886901A (en) *	1988-11-21	1989-12-12	Amoco Corporation	Method for purifying a crude dimethyl naphthalene dicarboxylate
US20070266740A9 (en) *	2000-07-25	2007-11-22	Kendall James W	Vertical laundry module
DE10231872B4 (de) *	2002-07-12	2005-09-01	H & G Hegmanns Ingenieurgesellschaft Mbh	Verfahren zur Herstellung von Dimethylterephthalat

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1017611B (de) *	1953-12-31	1957-10-17	Basf Ag	Verfahren zur Abtrennung von Begleitstoffen aus festen, kristallinen Stoffen oder Stoffgemischen
BE539716A (pt) *	1954-07-13
US2875237A (en) *	1957-06-07	1959-02-24	Standard Oil Co	Purification of dimethylterephthalate
DE1080540B (de) *	1959-01-14	1960-04-28	Glanzstoff Ag	Verfahren zur Reinigung von durch Abbau von Polyaethylen-terephthalat mit Methanol unter Druck gewonnenem rohem Terephthalsaeuredimethylester
DE1125417B (de) *	1960-08-09	1962-03-15	Glanzstoff Ag	Verfahren zur Reinigung von Dimethylterephthalat
US3502711A (en) *	1966-10-17	1970-03-24	Exxon Research Engineering Co	Purification of dimethylterephthalate
DE1719461B2 (de) *	1968-01-20	1976-06-24	Standard-Messo Duisburg, Gesellschaft für Chemietechnik mbH & Co, 4100 Duisburg	Verfahren zur reinigung anorganischer oder organischer rohprodukte

1973
- 1973-05-09 DE DE2323219A patent/DE2323219A1/de active Pending
1974
- 1974-05-03 ES ES425941A patent/ES425941A1/es not_active Expired
- 1974-05-03 NL NL7405991A patent/NL7405991A/xx unknown
- 1974-05-06 BR BR3648/74A patent/BR7403648D0/pt unknown
- 1974-05-07 GB GB2003874A patent/GB1426307A/en not_active Expired
- 1974-05-07 US US05/467,833 patent/US3962315A/en not_active Expired - Lifetime
- 1974-05-07 IT IT22368/74A patent/IT1010464B/it active
- 1974-05-08 JP JP49050379A patent/JPS5030840A/ja active Pending
- 1974-05-09 FR FR7416019A patent/FR2228765B1/fr not_active Expired
- 1974-05-09 BE BE144122A patent/BE814784A/xx unknown

Also Published As

Publication number	Publication date
BE814784A (fr)	1974-11-12
FR2228765B1 (pt)	1978-01-27
DE2323219A1 (de)	1974-11-21
US3962315A (en)	1976-06-08
IT1010464B (it)	1977-01-10
ES425941A1 (es)	1976-06-16
NL7405991A (pt)	1974-11-12
JPS5030840A (pt)	1975-03-27
GB1426307A (en)	1976-02-25
FR2228765A1 (pt)	1974-12-06

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