JPS5323920A - Preparation of methacrylic acid - Google Patents
Preparation of methacrylic acidInfo
- Publication number
- JPS5323920A JPS5323920A JP10998777A JP10998777A JPS5323920A JP S5323920 A JPS5323920 A JP S5323920A JP 10998777 A JP10998777 A JP 10998777A JP 10998777 A JP10998777 A JP 10998777A JP S5323920 A JPS5323920 A JP S5323920A
- Authority
- JP
- Japan
- Prior art keywords
- methacrylic acid
- preparation
- methacrolein
- catalysts
- kinds
- 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
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: To prepare methacrylic acid in high selectivity and high yield by the gas-phase oxidation of methacrolein with molecular oxygen in the presence of catalysts comprising at least five kinds of elements selected from Pd, P, Sb, O, etc., which are stable to heat and have a long life.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10998777A JPS5323920A (en) | 1977-09-14 | 1977-09-14 | Preparation of methacrylic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10998777A JPS5323920A (en) | 1977-09-14 | 1977-09-14 | Preparation of methacrylic acid |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10888974A Division JPS5136416A (en) | 1974-09-24 | 1974-09-24 | Metakurirusan no seizoho |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5323920A true JPS5323920A (en) | 1978-03-06 |
JPS5417723B2 JPS5417723B2 (en) | 1979-07-02 |
Family
ID=14524202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10998777A Granted JPS5323920A (en) | 1977-09-14 | 1977-09-14 | Preparation of methacrylic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5323920A (en) |
-
1977
- 1977-09-14 JP JP10998777A patent/JPS5323920A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5417723B2 (en) | 1979-07-02 |
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