JPS5239622A - Process for preparation of methacrylic acid - Google Patents

Process for preparation of methacrylic acid

Info

Publication number
JPS5239622A
JPS5239622A JP50116690A JP11669075A JPS5239622A JP S5239622 A JPS5239622 A JP S5239622A JP 50116690 A JP50116690 A JP 50116690A JP 11669075 A JP11669075 A JP 11669075A JP S5239622 A JPS5239622 A JP S5239622A
Authority
JP
Japan
Prior art keywords
methacrylic acid
preparation
acid
dehydrogenation
crude
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
JP50116690A
Other languages
Japanese (ja)
Inventor
Takeshi Onoda
Masayuki Otake
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 Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP50116690A priority Critical patent/JPS5239622A/en
Publication of JPS5239622A publication Critical patent/JPS5239622A/en
Pending 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

Abstract

PURPOSE: Methacrylic acid is prepared by the direct oxidative-dehydrogenation of crude isobutylic acid without purification.
COPYRIGHT: (C)1977,JPO&Japio
JP50116690A 1975-09-26 1975-09-26 Process for preparation of methacrylic acid Pending JPS5239622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50116690A JPS5239622A (en) 1975-09-26 1975-09-26 Process for preparation of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50116690A JPS5239622A (en) 1975-09-26 1975-09-26 Process for preparation of methacrylic acid

Publications (1)

Publication Number Publication Date
JPS5239622A true JPS5239622A (en) 1977-03-28

Family

ID=14693443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50116690A Pending JPS5239622A (en) 1975-09-26 1975-09-26 Process for preparation of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5239622A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5615238A (en) * 1979-07-17 1981-02-14 Mitsubishi Chem Ind Ltd Production of methacrylic acid
US4335258A (en) * 1979-01-16 1982-06-15 Mitsubishi Chemical Industries, Ltd. Process for producing methacrylic acid
US4410727A (en) * 1982-03-08 1983-10-18 Ashland Oil, Inc. Oxydehydrogenation of isobutyric acid and its lower alkyl esters
US4607122A (en) * 1981-04-27 1986-08-19 Atlantic Richfield Company High selectivity process for vapor phase oxydehydrogenation of alkanoic acids, such as isobutyric acid, using Dawson structure phosphomolybdic acid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878120A (en) * 1972-01-26 1973-10-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878120A (en) * 1972-01-26 1973-10-20

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4335258A (en) * 1979-01-16 1982-06-15 Mitsubishi Chemical Industries, Ltd. Process for producing methacrylic acid
JPS5615238A (en) * 1979-07-17 1981-02-14 Mitsubishi Chem Ind Ltd Production of methacrylic acid
JPS6248658B2 (en) * 1979-07-17 1987-10-15 Mitsubishi Chem Ind
US4607122A (en) * 1981-04-27 1986-08-19 Atlantic Richfield Company High selectivity process for vapor phase oxydehydrogenation of alkanoic acids, such as isobutyric acid, using Dawson structure phosphomolybdic acid
US4410727A (en) * 1982-03-08 1983-10-18 Ashland Oil, Inc. Oxydehydrogenation of isobutyric acid and its lower alkyl esters

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