JPS5268121A - Preparation of unsautrated carboxylic acids - Google Patents

Preparation of unsautrated carboxylic acids

Info

Publication number
JPS5268121A
JPS5268121A JP50144133A JP14413375A JPS5268121A JP S5268121 A JPS5268121 A JP S5268121A JP 50144133 A JP50144133 A JP 50144133A JP 14413375 A JP14413375 A JP 14413375A JP S5268121 A JPS5268121 A JP S5268121A
Authority
JP
Japan
Prior art keywords
unsautrated
preparation
carboxylic acids
selectivity
methacrolein
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
JP50144133A
Other languages
Japanese (ja)
Other versions
JPS5824418B2 (en
Inventor
Kazuhiro Ishii
Hideo Matsuzawa
Masao Kobayashi
Hiromichi Ishii
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.)
Mitsubishi Rayon Co Ltd
Original Assignee
Mitsubishi Rayon 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 Mitsubishi Rayon Co Ltd filed Critical Mitsubishi Rayon Co Ltd
Priority to JP50144133A priority Critical patent/JPS5824418B2/en
Priority to US05/745,406 priority patent/US4118419A/en
Priority to GB49908/76A priority patent/GB1518447A/en
Priority to FR7636309A priority patent/FR2333770A1/en
Publication of JPS5268121A publication Critical patent/JPS5268121A/en
Publication of JPS5824418B2 publication Critical patent/JPS5824418B2/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

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

PURPOSE: Acrylic acid or methacrylic acid is prepared in high yield and high selectivity by the gas-phase oxidation of acrolein or methacrolein with molecular oxygen at high temperature in the presence of a specific catalyst having satisfactory high activity, selectivity and life.
COPYRIGHT: (C)1977,JPO&Japio
JP50144133A 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou Expired JPS5824418B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50144133A JPS5824418B2 (en) 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou
US05/745,406 US4118419A (en) 1975-12-03 1976-11-26 Catalytic process for the preparation of an unsaturated carboxylic acid
GB49908/76A GB1518447A (en) 1975-12-03 1976-11-30 Catalyst and process for the preparation of unsaturated carboxylic acids
FR7636309A FR2333770A1 (en) 1975-12-03 1976-12-02 CATALYTIC PROCESS FOR MANUFACTURING UNSATURATED CARBOXYLIC ACIDS AND PRODUCTS OBTAINED BY THIS PROCESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50144133A JPS5824418B2 (en) 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou

Publications (2)

Publication Number Publication Date
JPS5268121A true JPS5268121A (en) 1977-06-06
JPS5824418B2 JPS5824418B2 (en) 1983-05-20

Family

ID=15354970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50144133A Expired JPS5824418B2 (en) 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou

Country Status (1)

Country Link
JP (1) JPS5824418B2 (en)

Also Published As

Publication number Publication date
JPS5824418B2 (en) 1983-05-20

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