Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1986-07-24
1988-05-03
Welsh, J. David
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 59, 430529, 25240024, G03G 514
Patent
active
047419814
ABSTRACT:
This invention relates to a layered type photosensitive material for electrophotography, which comprises a charge generating layer and a charge transfer layer on an electroconductive substrate, characterized by containing a trivalent organic phosphite compound as an agent for preventing light-degradation.
REFERENCES:
patent: 4299759 (1981-11-01), Miyata et al.
patent: 4315807 (1982-02-01), Felder et al.
patent: 4454052 (1984-06-01), Shoji et al.
patent: 4563408 (1986-01-01), Lin et al.
Aiso Izumi
Akiyoshi Hideki
Hashimoto Junichiro
Ricoh Co. Ltd.
Welsh J. David
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