发明申请
- 专利标题: 1-Vinylpyrrolidin-2-One/Ester Copolymers
- 专利标题(中): 1-乙烯基吡咯烷-2-酮/酯共聚物
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申请号: US10574406申请日: 2004-07-28
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公开(公告)号: US20080262105A1公开(公告)日: 2008-10-23
- 发明人: Paolo Ferruti , Elisabetta Ranucci
- 申请人: Paolo Ferruti , Elisabetta Ranucci
- 优先权: ITM12003A001872 20030930
- 国际申请: PCT/EP2004/051641 WO 20040728
- 主分类号: A61K47/30
- IPC分类号: A61K47/30 ; C08G63/44 ; A23L1/30
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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