JPS5262220A - Process for preparation of methacrylic acid - Google Patents

Process for preparation of methacrylic acid

Info

Publication number
JPS5262220A
JPS5262220A JP50139401A JP13940175A JPS5262220A JP S5262220 A JPS5262220 A JP S5262220A JP 50139401 A JP50139401 A JP 50139401A JP 13940175 A JP13940175 A JP 13940175A JP S5262220 A JPS5262220 A JP S5262220A
Authority
JP
Japan
Prior art keywords
methacrylic acid
preparation
osides
methacrolein
catalysts
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
JP50139401A
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 JP50139401A priority Critical patent/JPS5262220A/en
Publication of JPS5262220A publication Critical patent/JPS5262220A/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

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

Abstract

PURPOSE: Methacrylic acid is prepared in high yield by the gas-phase oxidation of methacrolein with molecular oxygen in the presence of osides of Mo, P, V, Fe and at least one of Tl, Cs and K as catalysts.
COPYRIGHT: (C)1977,JPO&Japio
JP50139401A 1975-11-19 1975-11-19 Process for preparation of methacrylic acid Pending JPS5262220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50139401A JPS5262220A (en) 1975-11-19 1975-11-19 Process for preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50139401A JPS5262220A (en) 1975-11-19 1975-11-19 Process for preparation of methacrylic acid

Publications (1)

Publication Number Publication Date
JPS5262220A true JPS5262220A (en) 1977-05-23

Family

ID=15244399

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50139401A Pending JPS5262220A (en) 1975-11-19 1975-11-19 Process for preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5262220A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925980A (en) * 1978-06-21 1990-05-15 Nippon Kayaku Kabushiki Kaisha Process for producing methacrylic acid and a catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4925980A (en) * 1978-06-21 1990-05-15 Nippon Kayaku Kabushiki Kaisha Process for producing methacrylic acid and a catalyst

Similar Documents

Publication Publication Date Title
JPS51115414A (en) Process for preparation of unsaturated fatty acids
JPS5212126A (en) Process for preparation of methacrylic acid
JPS5223589A (en) Catalyst for producing alpha,beta-unsaturaded carboxylic acid
JPS5246016A (en) Process for preparation of methacrylic acid
JPS5331615A (en) Production of methacrylic acid and catalyst used thereof
JPS5239643A (en) A process for preparing terephtalic acid
JPS51136615A (en) Process for preparation of methacrylic acid
JPS5262220A (en) Process for preparation of methacrylic acid
JPS51118717A (en) Process for preparation of methacryic acid
JPS5268122A (en) Preparation of unsaturated carboxylic acids
JPS5225716A (en) Process for preparation of methacrylic acid
JPS51130694A (en) Process for producing methacrolein oxidation catalyst
JPS5217412A (en) Process for preparation of alkyleneglycolesters
JPS5253811A (en) Preparation of methacrylc acid
JPS5233616A (en) Process for preparation of methacrylic acid
JPS5251307A (en) Process for preparatio of alkyleneglycolethers
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
JPS51113818A (en) Preparation of unsaturated carboxylic acid
JPS51115413A (en) Process for preparation of unsaturated carboxylic acids
JPS5390214A (en) Preparation of methacrylic acid
JPS5225715A (en) Process for preparation fof methacrylic acid
JPS5233615A (en) Process for preparation of methacrylic acid
JPS5283306A (en) Simultaneous preparation of 1,3-butadiene and methacrolein
JPS5217419A (en) Process for preparation of methacrylic acid
JPS51127034A (en) Process for preparation of aromatic carboxylic acids