Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1984-04-09
1985-09-10
Welsh, John D.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 72, 430 75, 534759, G03G 506
Patent
active
045406430
ABSTRACT:
The present invention provides a tetrazoneum salt compound represented by the general formula (I): ##STR1## (wherein, X stands for an anion functional group.); a disazo compound represented by the general formula (II): ##STR2## (wherein, R stands for an alkyl group, an alkoxy group, a nitro group, halogen, a cyano group or a halomethyl group, n stands for an integer of 0, 1, 2 or 3, and in case n is an integer of 2 or 3 R may be the same or different.); a method for the production thereof, and electrophotographic elements using the same or like disazo compounds as the charge carrier generating materials.
REFERENCES:
patent: 3959250 (1976-05-01), Heinrich et al.
patent: 4251613 (1981-02-01), Sasaki et al.
Ricoh Co. Ltd.
Welsh John D.
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