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.
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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 |
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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