JPS53144540A - Preparation of terephtahalic acid - Google Patents

Preparation of terephtahalic acid

Info

Publication number
JPS53144540A
JPS53144540A JP5630677A JP5630677A JPS53144540A JP S53144540 A JPS53144540 A JP S53144540A JP 5630677 A JP5630677 A JP 5630677A JP 5630677 A JP5630677 A JP 5630677A JP S53144540 A JPS53144540 A JP S53144540A
Authority
JP
Japan
Prior art keywords
acid
terephtahalic
preparation
toluic acid
xylene
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
JP5630677A
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 JP5630677A priority Critical patent/JPS53144540A/en
Priority to DE2804156A priority patent/DE2804156C2/en
Publication of JPS53144540A publication Critical patent/JPS53144540A/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 terephthalic acid in high yield by separation of p-toluic acid methylester from the reaction mixture obtd. by oxidation of p-xylene or p-toluic acid, followed by addition of the prescribed amt. of water to the residue and heating.
COPYRIGHT: (C)1978,JPO&Japio
JP5630677A 1977-01-31 1977-05-18 Preparation of terephtahalic acid Pending JPS53144540A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP5630677A JPS53144540A (en) 1977-05-18 1977-05-18 Preparation of terephtahalic 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
JP5630677A JPS53144540A (en) 1977-05-18 1977-05-18 Preparation of terephtahalic acid

Publications (1)

Publication Number Publication Date
JPS53144540A true JPS53144540A (en) 1978-12-15

Family

ID=13023445

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5630677A Pending JPS53144540A (en) 1977-01-31 1977-05-18 Preparation of terephtahalic acid

Country Status (1)

Country Link
JP (1) JPS53144540A (en)

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