Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1994-04-07
1995-07-25
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 71, 430 73, 430 74, 430 83, G03G 5047, G03G 509
Patent
active
054361001
ABSTRACT:
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon including a m-phenylenediamine derivative of formula (I): ##STR1## wherein Ar represents a non-condensed polycyclic hydrocarbon group other than a phenyl group, or a condensed polycyclic hydrocarbon group having not more than 18 carbon atoms; and R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each represent hydrogen a halogen atom a cyano group, a nitro group, an alkyl group, an alkoxyl group, an aryl group, an aryloxy group, an alkylmercapto group, a group represented by ##STR2## in which R.sup.6 and R.sup.7 each represent hydrogen, an alkyl group, or an aryl group, an alkylenedioxy group or an alkylenedithio group. Novel m-phenylenediamine derivatives for use in the electrophotoconductor and intermediates for producing the m-phenylenediamine derivatives, and methods of those derivatives are disclosed.
REFERENCES:
patent: 4233384 (1980-11-01), Turner et al.
patent: 5004662 (1991-04-01), Muto et al.
patent: 5079118 (1992-01-01), Kikuchi et al.
patent: 5087544 (1992-02-01), Muto et al.
patent: 5312707 (1994-05-01), Ota et al.
Adachi Hiroshi
Aruga Tamotsu
Sasaki Masaomi
Shimada Tomoyuki
Martin Roland
Ricoh & Company, Ltd.
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