发明授权
US07348113B2 Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unit
失效
包含具有二羟基二苯醚单元的聚碳酸酯树脂的电子照相感光体
- 专利标题： Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unit
- 专利标题（中）： 包含具有二羟基二苯醚单元的聚碳酸酯树脂的电子照相感光体
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申请号： US10937687申请日： 2004-09-10
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公开(公告)号： US07348113B2公开(公告)日： 2008-03-25
- 发明人: Masayuki Shoshi , Yuko Komai , Hiroshi Tamura , Masaomi Sasaki
- 申请人： Masayuki Shoshi , Yuko Komai , Hiroshi Tamura , Masaomi Sasaki
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
- 优先权： JP2003-317773 20030910; JP2003-328982 20030919; JP2003-329250 20030922
- 主分类号： G03G9/087
- IPC分类号： G03G9/087
摘要：
A polycarbonate resin has a constitutional unit expressed by the following general formula (I): A1 represents an alkyl group which is substitutional or nonsubstitutional, and an aryl group which is substitutional or nonsubstitutional. A2, A3, A4, A5, A6 and A7 each represent one of a hydrogen atom, a halogen atom, an alkyl group which has 1 to 6 carbon atoms and is substitutional or nonsubstitutional.
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