| 发明名称 |
Trisphenol process |
| 摘要 |
New trisphenols and their preparation by reacting the diacyl compound of dimeric p-isopropenylphenol or of a polycarbonate with a phenol in the presence of a strong acid catalyst at temperatures between -20 DEG and 30 DEG C.
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| 申请公布号 |
US4059638(A) |
申请公布日期 |
1977.11.22 |
| 申请号 |
US19760660876 |
申请日期 |
1976.02.24 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
KRIMM, HEINRICH;TRESPER, ERHARD |
| 分类号 |
C07C43/23;C07C27/00;C07C37/00;C07C37/055;C07C39/15;C07C39/16;C07C39/367;C07C41/00;C07C67/00;C07C68/02;C08G18/32;C08G59/32;C08G63/00;C08G64/00;(IPC1-7):C07C41/06 |
主分类号 |
C07C43/23 |
| 代理机构 |
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代理人 |
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