Double-layered positively-charged organic photoreceptor

Details Double-layered positively-charged organic photoreceptor Double-layered positively-charged organic photoreceptor

2007-01-30

2007-01-30

Zacharia, Ramsey (Department: 1773)

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

C430S058350, C430S058450, C430S058600, C428S411100, C399S116000, C399S159000

Reexamination Certificate

active

10682480

ABSTRACT:
A double-layered positively-charged organic photoreceptor t does not suffer from contamination caused by charge transport compounds that dissolve out during coating of a charge generating layer, and in which the charge generating layer and a charge transport layer have suitable interfacial properties for effective charge transfer. The composition that forms a charge transport layer on an electroconductive support contains a first charge transport compound that is soluble in an acetate solvent, a second charge transport compound that is insoluble in an acetate solvent, a binder resin, and an organic solvent. The method of manufacturing the photoreceptor includes: coating a surface of an electroconductive support with the charge transport layer forming composition and drying the surface to form a charge transport layer; and coating a surface of the charge transport layer with a charge generating layer forming composition and drying the surface to form a charge generating layer.

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English translation of Japanese Office Action dated Apr. 26, 2005, corresponds to Japanese Patent Application No. 2003-366543 (a copy of the Japanese Office Action in Japancese was filed on Jul. 26, 2005).
Chinese Office Action for corresponding to Chinese Patent Application No. 2003101247709 dated Jul. 7, 2006.

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