Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Patent
1994-02-25
1995-10-17
Richter, Johann
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
534561, 430 58, 430 59, 430 72, 430 75, 430 76, 430 79, G03G 506, C07C24510
Patent
active
054592470
ABSTRACT:
Bisazo compounds useful as charge generating materials having formula (I) are disclosed: ##STR1## wherein R represents hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms or a nitro group.
REFERENCES:
patent: 4481271 (1984-11-01), Hashimoto et al.
patent: 4939058 (1990-07-01), Shibata et al.
patent: 5317093 (1994-05-01), Hashimoto
Powers Fiona T.
Richter Johann
Ricoh & Company, Ltd.
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