JPS532416A - Preparation of methacrylic acid - Google Patents

Preparation of methacrylic acid

Info

Publication number
JPS532416A
JPS532416A JP8353177A JP8353177A JPS532416A JP S532416 A JPS532416 A JP S532416A JP 8353177 A JP8353177 A JP 8353177A JP 8353177 A JP8353177 A JP 8353177A JP S532416 A JPS532416 A JP S532416A
Authority
JP
Japan
Prior art keywords
methacrylic acid
preparation
acrolein
catalysts
phosphorus
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
JP8353177A
Other languages
Japanese (ja)
Other versions
JPS5417722B2 (en
Inventor
Masanori Ogawa
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.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku 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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Priority to JP8353177A priority Critical patent/JPS532416A/en
Publication of JPS532416A publication Critical patent/JPS532416A/en
Publication of JPS5417722B2 publication Critical patent/JPS5417722B2/ja
Granted 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 acrolein using catalysts, comprising phosphorus and palladium type compounds and one kind of element selected from a specific group, having thermal stability and a long life.
COPYRIGHT: (C)1978,JPO&Japio
JP8353177A 1977-07-14 1977-07-14 Preparation of methacrylic acid Granted JPS532416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8353177A JPS532416A (en) 1977-07-14 1977-07-14 Preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8353177A JPS532416A (en) 1977-07-14 1977-07-14 Preparation of methacrylic acid

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP1495574A Division JPS533371B2 (en) 1974-02-07 1974-02-07

Publications (2)

Publication Number Publication Date
JPS532416A true JPS532416A (en) 1978-01-11
JPS5417722B2 JPS5417722B2 (en) 1979-07-02

Family

ID=13805065

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8353177A Granted JPS532416A (en) 1977-07-14 1977-07-14 Preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS532416A (en)

Also Published As

Publication number Publication date
JPS5417722B2 (en) 1979-07-02

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