Trisazo compounds prepared from 4,4',4"-triaminotriphenylamine a

Details Trisazo compounds prepared from 4,4',4"-triaminotriphenylamine a Trisazo compounds prepared from 4,4',4"-triaminotriphenylamine a

1982-05-19

1985-03-26

Higel, Floyd D.

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

Organic compounds

Azo

430 58, 430 72, 430 73, 430 75, 430 76, 430 78, 430 79, 430 82, 534558, 534565, 534887, C07C10700, C07C10704, C09B 35378, G03G 506

Patent

active

045074712

ABSTRACT:
Trisazo compounds having the following general formula I: ##STR1## are useful as charge carrier generating materials for electrophotographic elements. Multilayer electrophotographic elements having a charge carrier generating layer containing these compounds as charge carrier generators and having a separate charge transport layer containing a charge transport material are particularly excellent in sensitivity in the 780-800 nm wavelength region.

REFERENCES:
patent: 4279981 (1981-07-01), Ohta et al.
Ota et al., Chemical Abstracts, vol. 90, #121293q (1979).

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