EP 0402260 A3 19910206 - ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Title (en)
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
Publication
Application
Priority
- JP 14621989 A 19890608
- JP 15005889 A 19890612
Abstract (en)
[origin: EP0402260A2] According to the The present invention, there are provided an electrophotographic photosensitive member, an electrophotographic apparatus comprising the electrophotosensitive member, and a facsimile system comprising the electrophotographic apparatus. The electrophotographic photosensitive member comprises a conductive support, a photosensitive layer and an intermediate layer interposed therebetween. The intermediate layer comprises a material derived from an isocyanate compound and a plurality of kinds of polyether polyol compounds, the polyether polyol compounds meeting at least one of the following requirements i) and ii): i) a ratio of a weight average molecular weight of at least one polyether polyol compound to a weight average molecular weight of at least one other polyether polyol compound is 1.3 or more; and ii) at least one polyether polyol compound has different functionality from that in at least one other polyether polyol compound. .
IPC 1-7
IPC 8 full level
G03G 5/14 (2006.01)
CPC (source: EP)
G03G 5/142 (2013.01)
Citation (search report)
- [A] DE 2325676 A1 19731206 - RICOH KK
- [A] PATENT ABSTRACTS OF JAPAN vol. 12, no. 468 (P-797)(3315) 08 December 1988, & JP-A-63 187253 (CANON INC) 02 August 1988,
- [A] PATENT ABSTRACTS OF JAPAN vol. 12, no. 147 (P-698)(2994) 07 May 1988, & JP-A-62 266553 (KONISHIROKU PHOTO IND. CO. LTD.) 19 November 1987,
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0402260 A2 19901212; EP 0402260 A3 19910206; EP 0402260 B1 19950823; DE 69021783 D1 19950928; DE 69021783 T2 19960222
DOCDB simple family (application)
EP 90401553 A 19900607; DE 69021783 T 19900607