Disazo compounds with xanthone nucleus for electrophotography

Details Disazo compounds with xanthone nucleus for electrophotography Disazo compounds with xanthone nucleus for electrophotography

1985-07-09

1987-12-29

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534560, 534565, 534581, 534757, 534761, C09B 3503, G03G 506, G03G 514

Patent

active

047162201

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, A stands for ##STR3## (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: 1624944 (1927-04-01), Gleitenberg
patent: 4390611 (1983-06-01), Ishikawa et al.

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