Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1979-10-10
1982-07-06
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 58, 430 79, G03G 506, G03G 514
Patent
active
043383882
ABSTRACT:
An electrophotographic element is prepared by forming a photoconductive layer containing a hydrazone compound therein on an electroconductive support member. The hydrazone compounds represented by the following general formula, are useful as photoconductive materials and as charge transport materials for use in electrophotography: ##STR1## wherein Ar represents a substituted or unsubstituted condensed polycyclic group or heterocyclic group, and R represents a methyl group, an ethyl group, a benzyl group or a phenyl group. The condensed polycyclic group includes a naphthalene ring, and an anthracene ring. The heterocyclic ring includes nitrogen, oxygen and sulfur.
REFERENCES:
patent: 3870516 (1975-03-01), Smith et al.
patent: 3915702 (1975-10-01), Bergfjord et al.
patent: 4150987 (1979-04-01), Anderson et al.
patent: 4256821 (1981-03-01), Enomoto et al.
patent: 4278747 (1981-07-01), Murayama et al.
Hashimoto Mitsuru
Kawakami Tomiko
Sakai Kiyoshi
Goodrow John L.
Kittle John E.
Ricoh Company Limited
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