JPS53111009A - Preparation of methacrylic acid - Google Patents

Preparation of methacrylic acid

Info

Publication number
JPS53111009A
JPS53111009A JP14566377A JP14566377A JPS53111009A JP S53111009 A JPS53111009 A JP S53111009A JP 14566377 A JP14566377 A JP 14566377A JP 14566377 A JP14566377 A JP 14566377A JP S53111009 A JPS53111009 A JP S53111009A
Authority
JP
Japan
Prior art keywords
methacrylic acid
preparation
vaporphase
methacrolein
selectivity
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
JP14566377A
Other languages
Japanese (ja)
Other versions
JPS5929179B2 (en
Inventor
Shinichi Akiyama
Akihisa Yamamoto
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.)
Zeon Corp
Original Assignee
Nippon Zeon 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 Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Priority to JP52145663A priority Critical patent/JPS5929179B2/en
Publication of JPS53111009A publication Critical patent/JPS53111009A/en
Publication of JPS5929179B2 publication Critical patent/JPS5929179B2/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

Abstract

PURPOSE: To prepare methacrylic acid in high yield and selectivity, by the vaporphase catalytic reaction of methacrolein and an O2-containing gas in the presence of a new long-life catalyst having element catalytic activity.
COPYRIGHT: (C)1978,JPO&Japio
JP52145663A 1977-12-06 1977-12-06 Method for producing methacrylic acid Expired JPS5929179B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52145663A JPS5929179B2 (en) 1977-12-06 1977-12-06 Method for producing methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52145663A JPS5929179B2 (en) 1977-12-06 1977-12-06 Method for producing methacrylic acid

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP13132573A Division JPS5523815B2 (en) 1973-11-22 1973-11-22

Publications (2)

Publication Number Publication Date
JPS53111009A true JPS53111009A (en) 1978-09-28
JPS5929179B2 JPS5929179B2 (en) 1984-07-18

Family

ID=15390205

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52145663A Expired JPS5929179B2 (en) 1977-12-06 1977-12-06 Method for producing methacrylic acid

Country Status (1)

Country Link
JP (1) JPS5929179B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS617956U (en) * 1984-06-16 1986-01-18 株式会社 増田製作所 Breeding hydrant

Also Published As

Publication number Publication date
JPS5929179B2 (en) 1984-07-18

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