Japanese Patent JPH0358106

B2

Disclosed is a photosensitive material for electrophotography, which comprises a photosensitive layer containing a tetrakis-azo pigment represented by the following formula: wherein X1 stands for a lower alkyl group, a lower alkoxy group or a halogen atom, X2 and X3 stand for a lower alkyl group, a lower alkoxy group, a halogen atom or a hydrogen atom, and Y stands for a group represented by the following group: +TR in which Z stands for an aromatic ring such as a benzene or naphthalene ring, a substitution product thereof, a hetero ring such as an indole, carbazole or benzofuran ring, or substitution product thereof, Ar1 stands for an aromatic ring such as a benzene or naphthalene ring, a substitution product thereof, a hetero ring such as a dibenzofuran ring, or a substitution product thereof, Ar2 and Ar3 stand for an aromatic ring such as a benzene or naphthalene ring or a substitution product thereof, R1 stands for a lower alkyl group, a carboxyl group or an ester thereof, and R2 and R3 stand for a hydrogen atom, a lower alkyl group, a phenyl group or a substitution product thereof.

MYAGAWA NOBUHIRO
AZUMAGUCHI TERUAKI
SANO YUMIKO
FUNATO MASATOMI

JP1021482A

September 04, 1991

January 27, 1982

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MITA INDUSTRIAL CO LTD

C09B35/56; C09B35/64; G03G5/06

Next Patent: JPH0358107