Electrophotographic photosensitive member, process cartridge and

Details Electrophotographic photosensitive member, process cartridge and Electrophotographic photosensitive member, process cartridge and

1994-11-21

1997-04-22

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

430 72, 430 76, 430 78, 430 79, 430 83, 399159, G03G 506, G03G 5047

Patent

active

056227990

ABSTRACT:
An electrophotographic photosensitive member, a process cartridge having the electrophotographic photosensitive member and an electrophotographic apparatus are provided. The electrophotographic photosensitive member has a conductive substrate and a photosensitive layer thereon, wherein the photosensitive layer contains a disazo pigment represented by the following formula (1): ##STR1## wherein R.sub.1 to R.sub.8 are the same or different and are each a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group, n is a positive integer, A.sub.1 and A.sub.2 are the same or different and are each a coupler residual group having a phenolic hydroxyl group, and at least one of A.sub.1 and A.sub.2 is a coupler residual group represented by the following formula (2): ##STR2## wherein X.sub.1 is a residual group forming a polycyclic aromatic ring or a heterocyclic ring by condensing with a benzene ring, R.sub.9 and R.sub.10 are the same or different and are each a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a heterocyclic group or a residual group forming a cyclic amino group by bonding together, and Z.sub.1 is an oxygen atom or a sulfur atom.

REFERENCES:
patent: 4994338 (1991-02-01), Takai
patent: 5229237 (1993-07-01), Kawamorita et al.
patent: 5356746 (1994-10-01), Sugiyama et al.
Database WPI, Week 9313, Derwent, AN93-105169.
Database WPI, Week 9317, Derwent, AN93-137475.
Database WPI, Week 9223, Derwent, AN92-187655.
Database WPI, Week 9409, Derwent, AN94-068879.

Affiliated with

Also associated with

Rating

Electrophotographic photosensitive member, process cartridge and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrophotographic photosensitive member, process cartridge and, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrophotographic photosensitive member, process cartridge and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-340515