G - Physics – 03 – G
Patent
G - Physics
03
G
96/151, 96/200
G03G 5/00 (2006.01) G03G 5/06 (2006.01) G03G 17/00 (2006.01)
Patent
CA 1136471
ELECTROPHOTOGRPHIC ELEMENT ABSTRACT OF THE DISCLOSURE The present invention provides an electrophotographic element which comprises a charge generating layer and a charge transport layer formed, in order, on an electroconductive substrate, said charge generating layer comprising a disazo pigment expressed by the general formula: Image wherein A represents Image or Image Image (wherein Image represents a member selected from the group consisting of benzene ring, naphthalene ring, indole ring, carbazole ring, benzofuran ring and their substitutes; Arl represents a member selected from the group consisting of benzene ring, naphthalene ring, dibenzofuran ring, carbazole ring and their substitutes; each of Ar2 and Ar3 represents a member selected from the group consisting of benzene ring, naphthalene ring and their substitutes; each of Rl and R3 represents a member selected from the group consisting of hydrogen, lower alkyl radical, phenyl radical and their substitutes; and R2 represents a member selected from the group consisting of lower alkyl radical, carboxyl radical and alkyl ester thereof)] and a mixture of binder materials comprising polyvinyl butyral and acrylic resin.
341416
Akutsu Eiichi
Ichizuka Kiyomi
Kozima Akio
Borden Ladner Gervais Llp
Ricoh Co. Ltd.
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