发明名称 High molecular weight, homogeneous, branched copolymers of maleic anhydride and alkyl vinyl ether monomers
摘要 What is described is a high molecular weight homogeneous, branched copolymer of maleic anhydride and a C1-C5 alkyl vinyl ether monomer, in which a branching agent is present in an amount of less than 0.5 wt. % of the polymer. A solution process of making such polymer also is described.
申请公布号 US2001000257(A1) 申请公布日期 2001.04.12
申请号 US20000731132 申请日期 2000.12.06
申请人 ISP INVESTMENTS INC. 发明人 ULMER HERBERT W.
分类号 A61K6/00;C08F216/18;C08F222/06;(IPC1-7):C08F122/04;C08F122/40;C08K5/07 主分类号 A61K6/00
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