JPS5291821A - Preparation of methacrylic acid - Google Patents

Preparation of methacrylic acid

Info

Publication number
JPS5291821A
JPS5291821A JP894476A JP894476A JPS5291821A JP S5291821 A JPS5291821 A JP S5291821A JP 894476 A JP894476 A JP 894476A JP 894476 A JP894476 A JP 894476A JP S5291821 A JPS5291821 A JP S5291821A
Authority
JP
Japan
Prior art keywords
methacrylic acid
preparation
methacrolein
catalyst
high yield
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
JP894476A
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 JP894476A priority Critical patent/JPS5291821A/en
Publication of JPS5291821A publication Critical patent/JPS5291821A/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: A process for preparing methacrylic acid in a high yield by the catalytic oxidation of methacrolein with the molecular oxygen in a gaseous phase in the presence of a catalyst having a specific composition.
COPYRIGHT: (C)1977,JPO&Japio
JP894476A 1976-01-29 1976-01-29 Preparation of methacrylic acid Pending JPS5291821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP894476A JPS5291821A (en) 1976-01-29 1976-01-29 Preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP894476A JPS5291821A (en) 1976-01-29 1976-01-29 Preparation of methacrylic acid

Publications (1)

Publication Number Publication Date
JPS5291821A true JPS5291821A (en) 1977-08-02

Family

ID=11706769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP894476A Pending JPS5291821A (en) 1976-01-29 1976-01-29 Preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5291821A (en)

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