JPS5268122A - Preparation of unsaturated carboxylic acids - Google Patents

Preparation of unsaturated carboxylic acids

Info

Publication number
JPS5268122A
JPS5268122A JP50144134A JP14413475A JPS5268122A JP S5268122 A JPS5268122 A JP S5268122A JP 50144134 A JP50144134 A JP 50144134A JP 14413475 A JP14413475 A JP 14413475A JP S5268122 A JPS5268122 A JP S5268122A
Authority
JP
Japan
Prior art keywords
preparation
carboxylic acids
unsaturated carboxylic
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
JP50144134A
Other languages
Japanese (ja)
Other versions
JPS5824419B2 (en
Inventor
Masato Otani
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 JP50144134A priority Critical patent/JPS5824419B2/en
Publication of JPS5268122A publication Critical patent/JPS5268122A/en
Publication of JPS5824419B2 publication Critical patent/JPS5824419B2/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 specific catalysts having satisfactory high activity, selectivity and life.
COPYRIGHT: (C)1977,JPO&Japio
JP50144134A 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou Expired JPS5824419B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50144134A JPS5824419B2 (en) 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50144134A JPS5824419B2 (en) 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP59009801A Division JPS59210043A (en) 1984-01-23 1984-01-23 Preparation of unsaturated carboxylic acid
JP59009800A Division JPS606634A (en) 1984-01-23 1984-01-23 Production of unsaturated carboxylic acid

Publications (2)

Publication Number Publication Date
JPS5268122A true JPS5268122A (en) 1977-06-06
JPS5824419B2 JPS5824419B2 (en) 1983-05-20

Family

ID=15354998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50144134A Expired JPS5824419B2 (en) 1975-12-03 1975-12-03 Fuhouwa Carbon Sanno Seizouhouhou

Country Status (1)

Country Link
JP (1) JPS5824419B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52133893A (en) * 1976-05-05 1977-11-09 Standard Oil Co Method of manufacturing unsaturated fatty acids and catalysts therefor
JPS55105641A (en) * 1978-12-26 1980-08-13 Halcon International Inc Manufacture of methacrylic acid and catalyst suitable therefor
US4925980A (en) * 1978-06-21 1990-05-15 Nippon Kayaku Kabushiki Kaisha Process for producing methacrylic acid and a catalyst
SG116456A1 (en) * 2001-06-28 2005-11-28 Sumitomo Chemical Co Catalyst useful for producing methacrylic acid.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52133893A (en) * 1976-05-05 1977-11-09 Standard Oil Co Method of manufacturing unsaturated fatty acids and catalysts therefor
US4925980A (en) * 1978-06-21 1990-05-15 Nippon Kayaku Kabushiki Kaisha Process for producing methacrylic acid and a catalyst
JPS55105641A (en) * 1978-12-26 1980-08-13 Halcon International Inc Manufacture of methacrylic acid and catalyst suitable therefor
SG116456A1 (en) * 2001-06-28 2005-11-28 Sumitomo Chemical Co Catalyst useful for producing methacrylic acid.

Also Published As

Publication number Publication date
JPS5824419B2 (en) 1983-05-20

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