Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1985-07-16
1986-11-11
Goodrow, John L.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 75, 430 76, G03G 506
Patent
active
046222804
ABSTRACT:
Disazo compounds represented by the following general formula (I) are disclosed. The compounds can function as effective photoconductive substances and further, as efficient charge carrier (both electron and positive hole) generating compounds in an electrophotographic photoreceptor: ##STR1## (wherein X represents atoms necessary to form an aromatic ring, such as a naphthalene ring, an anthracene ring, etc., or a netero ring, such as an indole ring, a carbazole ring, a dibenzofuran ring etc., (all of which rings may be either substituted ones or nonsubstituted ones) by combining with the benzene ring to which a hydroxyl group and a group Y are attached; Y represents ##STR2## R.sup.1 represents an alkyl group, a phenyl group or a substituted group thereof; R.sup.2 represents a hydrogen atom, a lower alkyl group, a carbamoyl group, a carboxyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, or a substituted or a nonsubstituted amino group; R.sup.3 and R.sup.5 each represents an alkyl group, an aromatic ring residue like a phenyl group, an aromatic heterocyclic residue like a dibenzofranyl group, a carbazolyl group, etc., or a substituted group thereof; and R.sup.4 represents a hydrogen atom, an alkyl group, a phenyl group or a substituted group thereof).
REFERENCES:
patent: 4349616 (1982-09-01), Sasaki et al.
patent: 4359515 (1982-11-01), Katagiri et al.
Horie Seiji
Kawamura Kouichi
Makino Naonori
Sato Hideo
Fuji Photo Film Co. , Ltd.
Goodrow John L.
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