Electrophotographic photoreceptor and image formation device...

Details Electrophotographic photoreceptor and image formation device... Electrophotographic photoreceptor and image formation device...

2009-04-02

2011-12-13

Chea, Thorl (Department: 1721)

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

C430S058350, C430S058650, C430S058750, C430S066000, C399S159000

Reexamination Certificate

active

08076046

ABSTRACT:
An electrophotographic photoreceptor comprising a conductive support and a photosensitive layer obtained by laminating at least a charge generation layer and a charge transport layer containing a charge transport material in this order on the conductive support, the photosensitive layer being provided with a surface protective layer on the surface thereof, wherein the protective layer contains at least filler particles which exhibit a dispersed state defined by Rf given by the following equations (1) and (2):in-line-formulae description="In-line Formulae" end="lead"?Rf=(df×b3)/(dm×a3)  (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?1.0×10−3≦Rf≦2.5×10−2  (2)in-line-formulae description="In-line Formulae" end="tail"?and a diamine compound represented by the following formula (I):

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