IT8149767A0 - PROCEDURE FOR THE PRODUCTION OF TEREPHTALIC ACID FROM DIMETHYL TEREPHTHALATE AS AN INTERMEDIATE PRODUCT - Google Patents

PROCEDURE FOR THE PRODUCTION OF TEREPHTALIC ACID FROM DIMETHYL TEREPHTHALATE AS AN INTERMEDIATE PRODUCT

Info

Publication number
IT8149767A0
IT8149767A0 IT8149767A IT4976781A IT8149767A0 IT 8149767 A0 IT8149767 A0 IT 8149767A0 IT 8149767 A IT8149767 A IT 8149767A IT 4976781 A IT4976781 A IT 4976781A IT 8149767 A0 IT8149767 A0 IT 8149767A0
Authority
IT
Italy
Prior art keywords
procedure
production
intermediate product
dimethyl terephthalate
terephtalic acid
Prior art date
Application number
IT8149767A
Other languages
Italian (it)
Other versions
IT1172099B (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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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 true IT8149767A0 (en) 1981-11-25
IT1172099B 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 (9)

* 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
EP0725054A1 (en) * 1995-01-24 1996-08-07 Hüls Aktiengesellschaft Process for preparing terephthalic acid and its isomers
DE19536814B4 (en) * 1995-01-24 2008-03-27 Hermann-Josef Dr. Korte A new process for the preparation of terephthalic acid and its isomers
WO2002042253A1 (en) * 2000-11-27 2002-05-30 Teijin Limited Dimethyl terephthalate composition and process for producing the same
JP2002167469A (en) * 2000-12-01 2002-06-11 Teijin Ltd Recycling system for waste polyester and its method
WO2003033581A1 (en) * 2001-10-16 2003-04-24 Teijin Limited Method for recycling pet bottle
JP2025117714A (en) * 2024-01-31 2025-08-13 三菱重工業株式会社 Hydrolysis reaction system and control method

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
SU1205757A3 (en) 1986-01-15
JPH0525867B2 (en) 1993-04-14
IN155627B (en) 1985-02-16
IT1172099B (en) 1987-06-18
BR8107687A (en) 1982-08-24
DE3044617C2 (en) 1985-09-26
JPS5795925A (en) 1982-06-15
DE3044617A1 (en) 1982-06-03
UA8349A1 (en) 1996-03-29
FR2494684B1 (en) 1985-03-29
FR2494684A1 (en) 1982-05-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951027