发明名称 |
PREPARATION OF METHACRYLIC ACID, DERIVATIVES THEREOF OR PRECURSORS THERETO |
摘要 |
A process for the manufacture of alpha , beta -unsaturated carboxylic acid esters from acetone cyanohydrin and sulphuric acid is described, the reaction being carried out in a solvent such as SO2. The process is especially useful for making methyl methacrylate.
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申请公布号 |
WO9941228(A1) |
申请公布日期 |
1999.08.19 |
申请号 |
WO1999GB00236 |
申请日期 |
1999.01.22 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC;SELLERS, MICHAEL;MORRIS, TREVOR, HUW |
发明人 |
SELLERS, MICHAEL;MORRIS, TREVOR, HUW |
分类号 |
C07C67/327;C07C231/06;C07C235/06;(IPC1-7):C07C231/06 |
主分类号 |
C07C67/327 |
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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