| 发明名称 |
Process for preparing polyesters from diphenols and aromatic dicarboxylic acids by direct polymerization |
| 摘要 |
A catalytic procedure is provided for the preparation of polyesters from (1) dihydric phenols and (2) aromatic dicarboxylic acids by direct polymerization.
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| 申请公布号 |
US4093595(A) |
申请公布日期 |
1978.06.06 |
| 申请号 |
US19760743320 |
申请日期 |
1976.11.19 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
ELLIOTT, STEVEN P. |
| 分类号 |
C08G63/00;C08G63/18;C08G63/19;C08G63/672;C08G63/82;C08G63/85;(IPC1-7):C08G63/14 |
主分类号 |
C08G63/00 |
| 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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