JPS5217419A - Process for preparation of methacrylic acid - Google Patents

Process for preparation of methacrylic acid

Info

Publication number
JPS5217419A
JPS5217419A JP50091373A JP9137375A JPS5217419A JP S5217419 A JPS5217419 A JP S5217419A JP 50091373 A JP50091373 A JP 50091373A JP 9137375 A JP9137375 A JP 9137375A JP S5217419 A JPS5217419 A JP S5217419A
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
JP50091373A
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 JP50091373A priority Critical patent/JPS5217419A/en
Publication of JPS5217419A publication Critical patent/JPS5217419A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements 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 in the presence of a catalyst containing five kinds of metal oxides as essential components.
COPYRIGHT: (C)1977,JPO&Japio
JP50091373A 1975-07-25 1975-07-25 Process for preparation of methacrylic acid Pending JPS5217419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50091373A JPS5217419A (en) 1975-07-25 1975-07-25 Process for preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091373A JPS5217419A (en) 1975-07-25 1975-07-25 Process for preparation of methacrylic acid

Publications (1)

Publication Number Publication Date
JPS5217419A true JPS5217419A (en) 1977-02-09

Family

ID=14024562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50091373A Pending JPS5217419A (en) 1975-07-25 1975-07-25 Process for preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5217419A (en)

Similar Documents

Publication Publication Date Title
JPS51115414A (en) Process for preparation of unsaturated fatty acids
JPS5212126A (en) Process for preparation of methacrylic acid
JPS5246016A (en) Process for preparation of methacrylic acid
JPS5422319A (en) Prepaeation of methacrylic acid
JPS543006A (en) Preparation of peracetic acid solution
JPS51136615A (en) Process for preparation of methacrylic acid
JPS5217419A (en) Process for preparation of methacrylic acid
JPS51130694A (en) Process for producing methacrolein oxidation catalyst
JPS5225716A (en) Process for preparation of methacrylic acid
JPS5233616A (en) Process for preparation of methacrylic acid
JPS51118717A (en) Process for preparation of methacryic acid
JPS5233615A (en) Process for preparation of methacrylic acid
JPS5217453A (en) Process for preparation of 2,6- naphthalenedicarboxylic acid
JPS5231019A (en) Process for preparation of maleic anhydride
JPS5225715A (en) Process for preparation fof methacrylic acid
JPS5217412A (en) Process for preparation of alkyleneglycolesters
JPS5233614A (en) Process for preparation of acetic acid
JPS5246015A (en) Process for preparation of methacrylic acid
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS52153908A (en) Preparation of allyl acetic acid
JPS5251316A (en) Process for preparation of methacrylic acid
JPS51127018A (en) Process for preparation of methacrylic acid
JPS52148037A (en) Preparation of per-#-toluylic acid
JPS5253811A (en) Preparation of methacrylc acid
JPS51131824A (en) Process for preparation of diglycollic acid