IT1172099B - PROCEDURE FOR THE PRODUCTION OF TEREPHELIC ACID FROM METHYL TEREPHTHALATE AS INTERMEDIATE PRODUCT - Google Patents

PROCEDURE FOR THE PRODUCTION OF TEREPHELIC ACID FROM METHYL TEREPHTHALATE AS INTERMEDIATE PRODUCT

Info

Publication number
IT1172099B
IT1172099B IT49767/81A IT4976781A IT1172099B IT 1172099 B IT1172099 B IT 1172099B IT 49767/81 A IT49767/81 A IT 49767/81A IT 4976781 A IT4976781 A IT 4976781A IT 1172099 B IT1172099 B IT 1172099B
Authority
IT
Italy
Prior art keywords
terephelic
procedure
acid
production
intermediate product
Prior art date
Application number
IT49767/81A
Other languages
Italian (it)
Other versions
IT8149767A0 (en
Inventor
Eugen Hadamovsky
Anton Schoengen
Heinz Schroeder
Original Assignee
Dynamit Nobel 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.)
Filing date
Publication date
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of IT8149767A0 publication Critical patent/IT8149767A0/en
Application granted granted Critical
Publication of IT1172099B publication Critical patent/IT1172099B/en

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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
IT49767/81A 1980-11-27 1981-11-25 PROCEDURE FOR THE PRODUCTION OF TEREPHELIC ACID FROM METHYL TEREPHTHALATE AS INTERMEDIATE PRODUCT IT1172099B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3044617A DE3044617C2 (en) 1980-11-27 1980-11-27 Process for the production of terephthalic acid from dimethyl terephthalate as an intermediate

Publications (2)

Publication Number Publication Date
IT8149767A0 IT8149767A0 (en) 1981-11-25
IT1172099B true IT1172099B (en) 1987-06-18

Family

ID=6117670

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49767/81A IT1172099B (en) 1980-11-27 1981-11-25 PROCEDURE FOR THE PRODUCTION OF TEREPHELIC ACID FROM METHYL TEREPHTHALATE AS INTERMEDIATE PRODUCT

Country Status (8)

Country Link
JP (1) JPS5795925A (en)
BR (1) BR8107687A (en)
DE (1) DE3044617C2 (en)
FR (1) FR2494684A1 (en)
IN (1) IN155627B (en)
IT (1) IT1172099B (en)
SU (1) SU1205757A3 (en)
UA (1) UA8349A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639958A1 (en) 1986-01-10 1987-07-16 Amberger Kaolinwerke Gmbh MULTI-STAGE COUNTERFLOW ARRANGEMENT AND RELATED PROCEDURES
FR2611708B1 (en) * 1987-02-25 1989-06-09 Elf Aquitaine PROCESS FOR PRODUCING ALKANE-SULFONIC ACIDS
DE3904586A1 (en) * 1989-02-16 1990-08-23 Huels Chemische Werke Ag METHOD FOR THE PRODUCTION OF DMT INTERMEDIATE PRODUCT OF CERTAIN PURITY, AND ITS PROCESSING TO PURE DMT AND / OR MEDIUM OR HIGH PURITY TEREPHTHALIC ACID
DE19536814B4 (en) * 1995-01-24 2008-03-27 Hermann-Josef Dr. Korte A new process for the preparation of terephthalic acid and its isomers
EP0725054A1 (en) * 1995-01-24 1996-08-07 Hüls Aktiengesellschaft Process for preparing terephthalic acid and its isomers
JP2002167469A (en) * 2000-12-01 2002-06-11 Teijin Ltd Recycling system for waste polyester and its method
KR100746678B1 (en) * 2000-11-27 2007-08-06 데이진 가부시키가이샤 Dimethyl terephthalate composition and process for producing the same
ATE374794T1 (en) * 2001-10-16 2007-10-15 Teijin Ltd METHOD FOR RECYCLING PET BOTTLES

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833647A (en) * 1971-09-07 1974-09-03 Lummus Co Production of aromatic polycarboxylic acids
DE2916197C2 (en) * 1979-04-21 1982-01-28 Dynamit Nobel Ag, 5210 Troisdorf Process for the production of terephthalic acid from dimethyl terephthalate as an intermediate

Also Published As

Publication number Publication date
JPS5795925A (en) 1982-06-15
FR2494684B1 (en) 1985-03-29
SU1205757A3 (en) 1986-01-15
IT8149767A0 (en) 1981-11-25
JPH0525867B2 (en) 1993-04-14
DE3044617C2 (en) 1985-09-26
UA8349A1 (en) 1996-03-29
IN155627B (en) 1985-02-16
FR2494684A1 (en) 1982-05-28
DE3044617A1 (en) 1982-06-03
BR8107687A (en) 1982-08-24

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951027