G - Physics – 03 – G
Patent
G - Physics
03
G
96/187
G03G 5/06 (2006.01)
Patent
CA 1133311
LAYERED ELECTROPHOTOGRAPHIC ELEMENT ABSTRACT OF THE DISCLOSURE The present invention provides a layered electrophotographic element which comprises an electroconductive support on which there is a charge generating layer and a charge transfer layer in order, said charge generating layer being consisted essentially of a charge generating agent expressed by the general formula I Image [wherein A represents , Image or Image Image (wherein X is selected from the group consisting of benzene ring, naphthalene ring, indole ring, carbazole ring, benzo- furan ring and substitutes thereof, Ar1 is selected from the group consisting of benzene ring, naphthalene ring, dibenzo- furan ring, carbazole ring and substitutes thereof, Ar2 and Ar3 are selected from the group consisting of benzene ring, naphthalene ring and substitutes thereof, R1 and R3 are selected from the group consisting of hydrogen, lower alkyl group, phenyl group and substitutes thereof and R2 is selected from the group consisting of lower alkyl group, carboxyl group and alkyl esters thereof)], said charge transfer layer being consisted essentially of a charge transfer agent expressed by the general formula II (wherein R1 represents methyl, ethyl, Image 2-hydroxyethyl or 2-chloroethyl group and R2 represents methyl, ethyl, benzyl or phenyl group) and polycarbonate.
342177
Enomoto Takamichi
Katoh Tatuya
Kozima Akio
Satoh Tatsumi
Borden Ladner Gervais Llp
Ricoh Co. Ltd.
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