JPS5225716A - Process for preparation of methacrylic acid - Google Patents

Process for preparation of methacrylic acid

Info

Publication number
JPS5225716A
JPS5225716A JP50101015A JP10101575A JPS5225716A JP S5225716 A JPS5225716 A JP S5225716A JP 50101015 A JP50101015 A JP 50101015A JP 10101575 A JP10101575 A JP 10101575A JP S5225716 A JPS5225716 A JP S5225716A
Authority
JP
Japan
Prior art keywords
methacrylic acid
preparation
methacrolein
kinds
prepared
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
JP50101015A
Other languages
Japanese (ja)
Inventor
Tatsuo Shiraishi
Hiroshi Ichihashi
Tamio Shirafuji
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP50101015A priority Critical patent/JPS5225716A/en
Publication of JPS5225716A publication Critical patent/JPS5225716A/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: Methacrylic acid is prepared in high yield by the gas-phase oxidation of methacrolein at high temperature in the presence of the particular oxides consisting of five kinds of elements.
COPYRIGHT: (C)1977,JPO&Japio
JP50101015A 1975-08-19 1975-08-19 Process for preparation of methacrylic acid Pending JPS5225716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50101015A JPS5225716A (en) 1975-08-19 1975-08-19 Process for preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50101015A JPS5225716A (en) 1975-08-19 1975-08-19 Process for preparation of methacrylic acid

Publications (1)

Publication Number Publication Date
JPS5225716A true JPS5225716A (en) 1977-02-25

Family

ID=14289377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50101015A Pending JPS5225716A (en) 1975-08-19 1975-08-19 Process for preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5225716A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248618A (en) * 1975-10-14 1977-04-18 Asahi Glass Co Ltd Process for preparation of unsaturated carboxylic acids
US4469810A (en) * 1983-01-11 1984-09-04 Mitsubishi Rayon Company Limited Process for the calcination of phosphorus-molybdenum catalyst

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248618A (en) * 1975-10-14 1977-04-18 Asahi Glass Co Ltd Process for preparation of unsaturated carboxylic acids
US4469810A (en) * 1983-01-11 1984-09-04 Mitsubishi Rayon Company Limited Process for the calcination of phosphorus-molybdenum catalyst

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