| 发明名称 |
Process for producing lactone polyesters |
| 摘要 |
In a process for producing a lactone polyester which comprises ring-opening polymerization of a lactone in the presence of a metal containing organic compound as a catalyst, the improvement wherein said compound is an alcoholate, chelate or organic acid salt of vanadium or molybdenum.
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| 申请公布号 |
US4289873(A) |
申请公布日期 |
1981.09.15 |
| 申请号 |
US19790097780 |
申请日期 |
1979.11.28 |
| 申请人 |
DAICEL CHEMICAL INDUSTRIES, LTD. |
发明人 |
KUBO, MASAYOSHI;NAKANISHI, MICHIO;KIMURA, MAMORU |
| 分类号 |
C08G63/00;C08G18/42;C08G63/82;(IPC1-7):C08G63/10 |
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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