Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1993-06-14
1994-12-27
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 59, 430 70, 430 71, 430 72, 430 75, 430 76, 430 77, 430 78, 430 79, 430 83, G03G 1502, G03G 500
Patent
active
053764862
ABSTRACT:
The present invention provides an electrophotographic photoreceptor high in sensitivity and endurance and highly resistant against oxidizing action with ozone or the like which comprises an electrically conductive support and, provided thereon, a light-sensitive layer which contains at least one azo compound containing a coupler component represented by the following formula [I] or [II]: ##STR1## wherein X represents a heterocyclic or aromatic ring residue which may have a substituent fusing with the benzene ring, Y represents a linkage group, R.sup.1 -R.sup.4 each represents a hydrogen atom or an alkyl group and R.sup.5 represents a hydrogen atom or an alkyl, aralkyl or acyl group which may have a substituent; ##STR2## wherein X and Y are as defined above and R.sup.6 and R.sup.7 each represents a hydrogen atom or an alkyl group which may have a substituent.
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Itoh Akira
Nagamura Hideki
Martin Roland
Mitsubishi Paper Mills Limited
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