Invention Grant
- Patent Title: Electrophotographic photoreceptor, electrophotographic image forming method, electrophotographic image forming apparatus, and process cartridge for electrophotographic image forming apparatus
- Patent Title (中): 电子照相感光体，电照相成像方法，电照相成像设备和用于电子照相成像设备的处理盒
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Application No.: US13231382Application Date: 2011-09-13
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Publication No.: US08809543B2Publication Date: 2014-08-19
- Inventor: Ryota Arai , Tomoyuki Shimada
- Applicant: Ryota Arai , Tomoyuki Shimada
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-205356 20100914; JP2010-213286 20100924
- Main IPC: C07D209/08
- IPC: C07D209/08 ; C07D209/12 ; C07D401/04
Abstract:
An N-phenyl-diphenylisoindole derivative having the following formula (1): wherein each of R1 and R2 represents a hydrogen atom, a substituted or an unsubstituted alkyl group, a substituted or an unsubstituted alkoxy group, a substituted or an unsubstituted phenyl group, or a substituted or an unsubstituted phenoxy group; R3 represents a hydrogen atom, a substituted or an unsubstituted alkyl group, a substituted or an unsubstituted alkoxy group, a substituted or an unsubstituted phenyl group, a substituted or an unsubstituted phenoxy group, or has the following formula (2): wherein each of R4 and R5 represents a substituted or an unsubstituted alkyl group, or a substituted or an unsubstituted phenyl group; 1 represents an integer of from 1 to 4; and each of m and n represents an integer of from 1 to 5.
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