JPS5395936A - Preparation of terephthalic acid - Google Patents

Preparation of terephthalic acid

Info

Publication number
JPS5395936A
JPS5395936A JP872377A JP872377A JPS5395936A JP S5395936 A JPS5395936 A JP S5395936A JP 872377 A JP872377 A JP 872377A JP 872377 A JP872377 A JP 872377A JP S5395936 A JPS5395936 A JP S5395936A
Authority
JP
Japan
Prior art keywords
terephthalic acid
preparation
reaction
relatively low
highly pure
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP872377A
Other languages
Japanese (ja)
Other versions
JPS6048498B2 (en
Inventor
Shizuo Azuma
Kiyoshi Yamamoto
Isao Hirose
Masao Suzuki
Hiroshi Sakai
Kenichi Kato
Hiroyuki Okitsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP52008723A priority Critical patent/JPS6048498B2/en
Priority to DE2804156A priority patent/DE2804156C2/en
Publication of JPS5395936A publication Critical patent/JPS5395936A/en
Publication of JPS6048498B2 publication Critical patent/JPS6048498B2/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To prepare highly pure terephthalic acid easily by reaction of terephthalic acid monomethylester with p-toluic acid at relatively low temp. in the presence of specific amt. of cobalt cpd.
COPYRIGHT: (C)1978,JPO&Japio
JP52008723A 1977-01-31 1977-01-31 Manufacturing method of terephthalic acid Expired JPS6048498B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP52008723A JPS6048498B2 (en) 1977-01-31 1977-01-31 Manufacturing method of terephthalic acid
DE2804156A DE2804156C2 (en) 1977-01-31 1978-01-31 Process for the production of terephthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52008723A JPS6048498B2 (en) 1977-01-31 1977-01-31 Manufacturing method of terephthalic acid

Publications (2)

Publication Number Publication Date
JPS5395936A true JPS5395936A (en) 1978-08-22
JPS6048498B2 JPS6048498B2 (en) 1985-10-28

Family

ID=11700861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52008723A Expired JPS6048498B2 (en) 1977-01-31 1977-01-31 Manufacturing method of terephthalic acid

Country Status (1)

Country Link
JP (1) JPS6048498B2 (en)

Also Published As

Publication number Publication date
JPS6048498B2 (en) 1985-10-28

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