发明授权
- 专利标题： Tetrapolymers containing indene
- 专利标题（中）： 含有茚的四元共聚物
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申请号： US789529申请日： 1985-10-21
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公开(公告)号： US4603186A公开(公告)日： 1986-07-29
- 发明人: Muyen M. Wu , Elmer J. De Witt , George S. Li
- 申请人： Muyen M. Wu , Elmer J. De Witt , George S. Li
- 申请人地址： OH Cleveland
- 专利权人： The Standard Oil Company
- 当前专利权人： The Standard Oil Company
- 当前专利权人地址： OH Cleveland
- 主分类号： C08F32/00
- IPC分类号： C08F32/00 ; C08F212/00 ; C08F212/06 ; C08F220/10 ; C08F220/14 ; C08F220/42 ; C08F220/44 ; C08F232/08 ; C09D7/12
摘要：
Low viscosity, random tetrapolymers that are the result of addition polymerization of the monomers acrylonitrile, methyl methacrylate, .alpha.-methylstyrene and/or styrene, and indene, containing the monomers combined in the polymer structure in the following weight percentages:______________________________________ Weight Percent ______________________________________ Acrylonitrile 10-40 Methyl methacrylate 5-50 Indene 3-50 .alpha.-methylstyrene or 5-50 styrene or a mixture of both ______________________________________ wherein said tetrapolymers have an inherent viscosity in the range from 0.08 to 0.4 deciliters per gram of polymer solution.
公开/授权文献
- US5886379A Semiconductor memory device with increased coupling ratio 公开/授权日：1999-03-23
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