Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1990-08-14
1993-02-09
McCamish, Marion E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 56, 430 58, 430 72, G03G 509
Patent
active
051852284
ABSTRACT:
The present invention provides an electrophotosensitive material having a layer containing a binding resin, a charge transferring material and a biphenyl derivative of the following formula [I], or a compound of which energy level in a triplet state is not more than the energy level in an excited state of the charge transferring material. The present invention prevents the charge transferring material from being decreased in charge amount and sensitivity due to light irradiation: ##STR1## wherein R.sup.1 is an aryl or aralkyl group.
REFERENCES:
patent: 4250237 (1981-02-01), Vickers
patent: 4877702 (1989-10-01), Miyamoto et al.
patent: 5004662 (1991-04-01), Mutoh et al.
Patent Abstracts of Japan, vol. 8, No. 245 (P-312) (1682), Jul. 10, 1984, Corresponds to JP-A-59 119355.
Iwasaki Hiroaki
Katsukawa Masato
Maeda Tatsuo
Mizuta Yasufumi
Chapman Mark A.
McCamish Marion E.
Mita Industrial Co. Ltd.
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