Patent ID: 6040100
Filing Date: 2000-03-21
Classification: G03G

Abstract:
An electrophotographic photosensitive member, comprising a support, and a photosensitive layer disposed on the support; said photosensitive layer containing an azo pigment having an organic group represented by formula (1) below: ##STR28## wherein each B independently denotes a hydrogen atom, halogen atom, nitro group, cyano group, substituted or unsubstituted alkyl group, substituted or unsubstituted alkoxy group, or substituted or unsubstituted amino group; Z.sub.1 denotes an oxygen or sulfur atom; k.sub.1 is 0 or 1; A denotes a residue group of formula (1A) below: ##STR29## wherein R.sub.1 and R.sub.2 independently denote a hydrogen atom, a substituted or unsubstituted alkyl group, substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, or a group forming a substituted or unsubstituted cyclic group by a combination of the groups R1 and R2 together with the nitrogen (N) atom in the formula (1A); Z.sub.2 denotes an oxygen atom or sulfur atom; k.sub.2 is 1 or 2; D denotes a substituted or unsubstituted alkylene group, substituted or unsubstituted alkenylene group or --(CONH).sub.k3 --; and k.sub.3 is 0 or 1.