Invention Grant
- Patent Title: Polyvinyl acetal resin, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
- Patent Title (中): 聚乙烯醇缩醛树脂，电子照相感光构件，处理盒和电子照相设备
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Application No.: US12091191Application Date: 2006-12-05
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Publication No.: US08088541B2Publication Date: 2012-01-03
- Inventor: Masato Tanaka , Atsushi Fujii , Yuka Ishiduka , Masataka Kawahara , Masaki Nonaka
- Applicant: Masato Tanaka , Atsushi Fujii , Yuka Ishiduka , Masataka Kawahara , Masaki Nonaka
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2005-353490 20051207
- International Application: PCT/JP2006/324618 WO 20061205
- International Announcement: WO2007/066790 WO 20070614
- Main IPC: G03G15/02
- IPC: G03G15/02
Abstract:
The present invention relates to a polyvinyl acetal resin having a specific repeating structural unit, an electrophotographic photosensitive member using the polyvinyl acetal resin, and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member.
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