JPS5412339A - Preparation of aromatic dicarboxylic acids - Google Patents

Preparation of aromatic dicarboxylic acids

Info

Publication number
JPS5412339A
JPS5412339A JP7688577A JP7688577A JPS5412339A JP S5412339 A JPS5412339 A JP S5412339A JP 7688577 A JP7688577 A JP 7688577A JP 7688577 A JP7688577 A JP 7688577A JP S5412339 A JPS5412339 A JP S5412339A
Authority
JP
Japan
Prior art keywords
dicarboxylic acids
aromatic dicarboxylic
preparation
oxidation
dialkylbenzenes
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
JP7688577A
Other languages
Japanese (ja)
Other versions
JPS5949213B2 (en
Inventor
Susumu Tate
Katsuro Kuze
Hiroyoshi Kamatani
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.)
Mizushima Aroma Co Ltd
Mitsubishi Gas Chemical Co Inc
Toyobo Co Ltd
Original Assignee
Mizushima Aroma Co Ltd
Mitsubishi Gas Chemical Co Inc
Toyobo Co 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 Mizushima Aroma Co Ltd, Mitsubishi Gas Chemical Co Inc, Toyobo Co Ltd filed Critical Mizushima Aroma Co Ltd
Priority to JP52076885A priority Critical patent/JPS5949213B2/en
Publication of JPS5412339A publication Critical patent/JPS5412339A/en
Publication of JPS5949213B2 publication Critical patent/JPS5949213B2/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

Abstract

PURPOSE: To prepare aromatic dicarboxylic acids of high quality, by liquid phase oxidation of dialkylbenzenes or their oxidation intermediates in the presence of amines or quaternary ammonium salts in the reaction system, using a Co-Mn-Br catalyst.
COPYRIGHT: (C)1979,JPO&Japio
JP52076885A 1977-06-27 1977-06-27 Method for producing aromatic dicarboxylic acid Expired JPS5949213B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52076885A JPS5949213B2 (en) 1977-06-27 1977-06-27 Method for producing aromatic dicarboxylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52076885A JPS5949213B2 (en) 1977-06-27 1977-06-27 Method for producing aromatic dicarboxylic acid

Publications (2)

Publication Number Publication Date
JPS5412339A true JPS5412339A (en) 1979-01-30
JPS5949213B2 JPS5949213B2 (en) 1984-12-01

Family

ID=13618081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52076885A Expired JPS5949213B2 (en) 1977-06-27 1977-06-27 Method for producing aromatic dicarboxylic acid

Country Status (1)

Country Link
JP (1) JPS5949213B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135189U (en) * 1984-08-06 1986-03-04 花王株式会社 margarine parchment
EP0318399A2 (en) * 1987-11-27 1989-05-31 Gadot Petrochemical Industries Ltd. Process for the manufacture of dicarboxylic acids
CN102924266A (en) * 2012-10-26 2013-02-13 中国石油化工股份有限公司 Method for preparing phthalic acid by xylol co-oxidation catalyst system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936702A (en) * 1972-06-26 1974-04-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4936702A (en) * 1972-06-26 1974-04-05

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6135189U (en) * 1984-08-06 1986-03-04 花王株式会社 margarine parchment
EP0318399A2 (en) * 1987-11-27 1989-05-31 Gadot Petrochemical Industries Ltd. Process for the manufacture of dicarboxylic acids
EP0318399A3 (en) * 1987-11-27 1991-03-20 Gadot Petrochemical Industries Ltd. Process for the manufacture of dicarboxylic acids
CN102924266A (en) * 2012-10-26 2013-02-13 中国石油化工股份有限公司 Method for preparing phthalic acid by xylol co-oxidation catalyst system

Also Published As

Publication number Publication date
JPS5949213B2 (en) 1984-12-01

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