发明名称 |
PREPARATION OF METHACRYLIC ACID |
摘要 |
Methacrylic acid can be prepared by a novel process comprising heating alpha -hydroxyisobutyric acid in the presence of a compound of basic reaction at a temperature of about 160 DEG to 340 DEG C. in a reaction medium comprising an inert polar liquid having a boiling point above 200 DEG C.
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申请公布号 |
US3666805(A) |
申请公布日期 |
1972.05.30 |
申请号 |
USD3666805 |
申请日期 |
1966.03.11 |
申请人 |
LONZA LTD. |
发明人 |
THEODOR VOLKER;ERIKA PICHLER |
分类号 |
C07C51/377;C07C67/327;(IPC1-7):C07C57/04 |
主分类号 |
C07C51/377 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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