RO63832A - METHOD FOR RECOVERING COBALT FROM RESIDUES IN THE PREPARATION OF DIMETHYL TEREPHTHALATE - Google Patents

METHOD FOR RECOVERING COBALT FROM RESIDUES IN THE PREPARATION OF DIMETHYL TEREPHTHALATE

Info

Publication number: RO63832A
Authority: RO; Romania
Prior art keywords: residues; preparation; dimethyl terephthalate; recovering cobalt; recovering
Prior art date: 1971-10-28

Application number

RO7200072586A

Other languages

French (fr)

Romanian (ro)

Inventor

Zofia Pokorska

Wieslaw Szelejewscki

Wlodzimierz Montewski

Edward Grzywa

Andrzej Andrysiak

Henryk Joszko

Henryk Boebel

Janusz Pior

Czeslaw Szezontowski

Original Assignee

Inst Ciezkiej Syntezy Orga

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.)

1971-10-28

Filing date

1972-10-20

Publication date

1978-12-15

1972-10-20 Application filed by Inst Ciezkiej Syntezy Orga filed Critical Inst Ciezkiej Syntezy Orga

1978-12-15 Publication of RO63832A publication Critical patent/RO63832A/en

Links

WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title 2
229910017052 cobalt Inorganic materials 0.000 title 1
239000010941 cobalt Substances 0.000 title 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
- 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
- C07C67/58—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

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

RO7200072586A 1971-10-28 1972-10-20 METHOD FOR RECOVERING COBALT FROM RESIDUES IN THE PREPARATION OF DIMETHYL TEREPHTHALATE RO63832A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PL15127471A PL70344B1 (en)	1971-10-28	1971-10-28

Publications (1)

Publication Number	Publication Date
RO63832A true RO63832A (en)	1978-12-15

Family

ID=19956062

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
RO7200072586A RO63832A (en)	1971-10-28	1972-10-20	METHOD FOR RECOVERING COBALT FROM RESIDUES IN THE PREPARATION OF DIMETHYL TEREPHTHALATE

Country Status (5)

Country	Link
BG (1)	BG27881A3 (en)
CS (1)	CS168009B2 (en)
DE (1)	DE2249605B2 (en)
PL (1)	PL70344B1 (en)
RO (1)	RO63832A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4609634A (en) *	1980-03-31	1986-09-02	American Hoechst Corporation	High efficiency extraction method for recovering oxidation catalyst material from dimethyl terephthalate esterified oxidate residue and the like
DE3045332C2 (en) *	1980-12-02	1982-11-25	Dynamit Nobel Ag, 5210 Troisdorf	Process for the recovery and reuse of heavy metal oxidation catalyst from residues in the Witten DMT process
US4459365A (en) *	1981-05-29	1984-07-10	Mitsubishi Gas Chemical Company, Inc.	Method of recovering a catalytic metal

1971
- 1971-10-28 PL PL15127471A patent/PL70344B1/xx unknown
1972
- 1972-10-10 DE DE19722249605 patent/DE2249605B2/en not_active Withdrawn
- 1972-10-20 RO RO7200072586A patent/RO63832A/en unknown
- 1972-10-26 BG BG021725A patent/BG27881A3/en unknown
- 1972-10-27 CS CS7236A patent/CS168009B2/cs unknown

Also Published As

Publication number	Publication date
PL70344B1 (en)	1974-02-28
BG27881A3 (en)	1980-01-15
DE2249605B2 (en)	1977-02-03
CS168009B2 (en)	1976-05-28
DE2249605A1 (en)	1973-05-10

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