- 专利标题： Cellulose ester film, cellulose ester dope, protective film of polarizing plate and polarizing plate
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申请号： US11240601申请日： 2005-10-03
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公开(公告)号： US07494611B2公开(公告)日： 2009-02-24
- 发明人: Kunio Shimizu , Toru Kobayashi
- 申请人： Kunio Shimizu , Toru Kobayashi
- 申请人地址： JP Tokyo
- 专利权人： Konica Corporation
- 当前专利权人： Konica Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Finnegan, Henderson, Garrett & Dunner, L.L.P.
- 优先权： JP2000/209812 20000711
- 主分类号： B29C39/14
- IPC分类号： B29C39/14
摘要：
Disclosed is a cellulose ester film comprising a polymer prepared by polymerizing at least one ethylenically unsaturated monomer selected from vinyl esters, vinyl esters having a functional group, acrylic esters, and acrylic esters having a functional group, wherein the polymer has a weight average molecular weight of not more than 5,000.
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