Electrophotographic photoreceptor for wet development

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product

Reexamination Certificate

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C430S058650, C430S059600, C430S066000, C399S159000

Reexamination Certificate

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07078139

ABSTRACT:
An electrophotographic photoreceptor for wet development including an electrically conductive substrate, and an organic photosensitive layer formed on the electrically conductive substrate, wherein a surface layer of the organic photosensitive layer includes at least a binder resin comprising a polymer compound and a charge transport material comprising a low molecule compound, the surface layer having an oxygen gas permeation coefficient of 5×10−13cm3(STP)*cm/s*cm2*cmHg or less. The electrophotographic photoreceptor has high durability for liquid developer used in a wet development technique and can produce good image characteristics.

REFERENCES:
patent: 5368967 (1994-11-01), Schank et al.
patent: 6884559 (2005-04-01), Yokota
patent: 8-272126 (1996-10-01), None
THOMAS machine-assisted translation of JP 8-262751 (pub Oct. 1996).

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