| 发明名称 |
1-Vinylpyrrolidin-2-One/Ester Copolymers |
| 摘要 |
The present invention refers to segment copolymers comprising segments "A" having polyvinylpyrrolidone (PVP) structure and segments "B" having a polyester 5 structure and the process for their preparation and their use.
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| 申请公布号 |
US2008262105(A1) |
申请公布日期 |
2008.10.23 |
| 申请号 |
US20040574406 |
申请日期 |
2004.07.28 |
| 申请人 |
FERRUTI PAOLO;RANUCCI ELISABETTA |
发明人 |
FERRUTI PAOLO;RANUCCI ELISABETTA |
| 分类号 |
A61K47/30;A23L1/30;C08F289/00;C08G63/00;C08G63/44;C08G63/685;C08L51/08;C08L53/00;C08L67/00;C08L67/04 |
主分类号 |
A61K47/30 |
| 代理机构 |
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