| 发明名称 |
Process for the preparation of methylene-bridged diaryl isocyanates |
| 摘要 |
A process for the production of methylene-bridged diaryl isocyanates by the reaction of alpha -halomethyl aromatic compounds with aromatic isocyanates in the presence of a catalyst. The catalyst comprises a metal salt of an aliphatic or cycloaliphatic organic acid where the metal is zinc, cadmium or mercury. |
| 申请公布号 |
US3941822(A) |
申请公布日期 |
1976.03.02 |
| 申请号 |
US19740511589 |
申请日期 |
1974.10.03 |
| 申请人 |
OLIN CORPORATION |
发明人 |
BABIEC, JR., JOHN S.;SCHNABEL, WILHELM J. |
| 分类号 |
C07C263/02;C08G18/76;(IPC1-7):C07C118/00;C07C119/04 |
主分类号 |
C07C263/02 |
| 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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