JPS5262220A - Process for preparation of methacrylic acid - Google Patents
Process for preparation of methacrylic acidInfo
- 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
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
- 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
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)
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 |
-
1975
- 1975-11-19 JP JP50139401A patent/JPS5262220A/en active Pending
Cited By (1)
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 |