JPS5390232A - Preparation of terephthalic acid - Google Patents

Preparation of terephthalic acid

Info

Publication number
JPS5390232A
JPS5390232A JP230077A JP230077A JPS5390232A JP S5390232 A JPS5390232 A JP S5390232A JP 230077 A JP230077 A JP 230077A JP 230077 A JP230077 A JP 230077A JP S5390232 A JPS5390232 A JP S5390232A
Authority
JP
Japan
Prior art keywords
terephthalic acid
preparation
acid
pref
catalyst
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.)
Pending
Application number
JP230077A
Other languages
Japanese (ja)
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 JP230077A priority Critical patent/JPS5390232A/en
Publication of JPS5390232A publication Critical patent/JPS5390232A/en
Pending 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: To prepare highly pure terephthalic acid by reaction of terephthalic acid dimethylester with p-toluic acid, pref. in the presence of Co catalyst at ≥ 180°C.
COPYRIGHT: (C)1978,JPO&Japio
JP230077A 1977-01-14 1977-01-14 Preparation of terephthalic acid Pending JPS5390232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP230077A JPS5390232A (en) 1977-01-14 1977-01-14 Preparation of terephthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP230077A JPS5390232A (en) 1977-01-14 1977-01-14 Preparation of terephthalic acid

Publications (1)

Publication Number Publication Date
JPS5390232A true JPS5390232A (en) 1978-08-08

Family

ID=11525505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP230077A Pending JPS5390232A (en) 1977-01-14 1977-01-14 Preparation of terephthalic acid

Country Status (1)

Country Link
JP (1) JPS5390232A (en)

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