JPS6230177B2 - - Google Patents
Info
- Publication number
- JPS6230177B2 JPS6230177B2 JP54029957A JP2995779A JPS6230177B2 JP S6230177 B2 JPS6230177 B2 JP S6230177B2 JP 54029957 A JP54029957 A JP 54029957A JP 2995779 A JP2995779 A JP 2995779A JP S6230177 B2 JPS6230177 B2 JP S6230177B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- value
- acid
- heteropolyacid
- reaction
- 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.)
- Expired
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2995779A JPS55122734A (en) | 1979-03-16 | 1979-03-16 | Preparation of methacrylic acid and its catalyst |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2995779A JPS55122734A (en) | 1979-03-16 | 1979-03-16 | Preparation of methacrylic acid and its catalyst |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55122734A JPS55122734A (en) | 1980-09-20 |
JPS6230177B2 true JPS6230177B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-07-01 |
Family
ID=12290453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2995779A Granted JPS55122734A (en) | 1979-03-16 | 1979-03-16 | Preparation of methacrylic acid and its catalyst |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55122734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1199905A (en) * | 1982-06-07 | 1986-01-28 | William J. Kennelly | Catalyst compositions and their use for the preparation of unsaturated carboxylic acids |
US4596784A (en) * | 1982-06-07 | 1986-06-24 | Rohm And Haas Company | Catalyst compositions and their use for the preparation of unsaturated carboxylic acids |
JPS60239439A (ja) * | 1984-05-14 | 1985-11-28 | Nippon Shokubai Kagaku Kogyo Co Ltd | メタクリル酸の製造方法 |
JPS615043A (ja) * | 1984-06-18 | 1986-01-10 | Nippon Shokubai Kagaku Kogyo Co Ltd | メタクリル酸製造用触媒の調製方法 |
JPS6176436A (ja) * | 1984-09-20 | 1986-04-18 | Mitsubishi Rayon Co Ltd | 不飽和カルボン酸の製造法 |
JPH0791212B2 (ja) * | 1988-07-11 | 1995-10-04 | 三菱レイヨン株式会社 | メタクリル酸の製造法 |
JP4671320B2 (ja) * | 2000-09-21 | 2011-04-13 | 日本化薬株式会社 | メタクリル酸製造用被覆触媒の製法 |
CN102046289A (zh) | 2008-06-02 | 2011-05-04 | 日本化药株式会社 | 用于生产不饱和醛和不饱和羧酸的催化剂和方法 |
JP5560596B2 (ja) * | 2008-07-01 | 2014-07-30 | 三菱レイヨン株式会社 | メタクリル酸製造用触媒の製造方法 |
CN104646056B (zh) * | 2013-11-18 | 2017-01-11 | 上海华谊丙烯酸有限公司 | 一种钼磷系杂多酸盐催化剂及其制备方法和用途 |
KR102216827B1 (ko) * | 2016-09-14 | 2021-02-17 | 미쯔비시 케미컬 주식회사 | 메타크릴산 제조용 촉매 및 그의 제조 방법, 및 메타크릴산 및 메타크릴산 에스터의 제조 방법 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4017423A (en) * | 1975-08-18 | 1977-04-12 | The Standard Oil Company (Ohio) | Process for the preparation of unsaturated acids from unsaturated aldehydes |
-
1979
- 1979-03-16 JP JP2995779A patent/JPS55122734A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS55122734A (en) | 1980-09-20 |
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