Electrophotographic photoreceptor and use in repeated copying

Details Electrophotographic photoreceptor and use in repeated copying Electrophotographic photoreceptor and use in repeated copying

1990-06-19

1992-07-14

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

430 56, 430 59, G03G 1322

Patent

active

051302225

ABSTRACT:
An electrophotographic photoreceptor having an electrically conductive substrate and a photosensitive layer formed thereon, the photosensitive layer comprising a charge-generating agent, an organic charge-transporting agent and an anti-oxidant having the general formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups, is disclosed herein. The electrophotographic photoreceptor according to this invention has an improved durability in repeated copying operations and therefore a prolonged life.

REFERENCES:
patent: 3988292 (1976-10-01), Moriga et al.
patent: 4105449 (1978-08-01), Tanel et al.
patent: 4272608 (1981-06-01), Proskow
patent: 4935327 (1990-06-01), Takizawa et al.

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