Ortho-Bis (2-substituted azostyryl) benzene compounds
AssigneeRicoh Company, Ltd.
InventorsMasaomi Sasaki, Mitsuru Hashimoto, Tomiko Kawakami
Life of this patent
Estimating the term…
Abstract
A bis-azo compound of the formula ##STR1## wherein A represents ##STR2## wherein R represents alkyl, alkoxy, nitro, dialkylamino or halogen, and n represents an integer 0, 1, 2 or 3 and when n is 2 or 3, R represents identical or different substituents selected from the group of alkyl, alkoxy, nitro, dialkylamino and halogen. The bis-azo compound is useful as a photoconductive material for the preparation of electrophotographic photoconductors.
Claims14
A bis-azo compound of the formula ##STR40## in which A represents identical subsituents selected from the group consisting of ##STR41## wherein R represents alkyl, alkoxy, nitro, dialkylamino or halogen, and n represents an integer 0, 1, 2 or 3 and when n is 2 or 3, R represents identical or different substituents selected from the group consisting of alkyl, alkoxy, nitro, dialkylamino and halogen.
A bis-azo compound of the formula ##STR42##
A bis-azo compound of the formula ##STR43##
A bis-azo compound of the formula ##STR44##
A bis-azo compound of the formula ##STR45##
A bis-azo compound of the formula ##STR46##
A bis-azo compound of the formula ##STR47##
A bis-azo compound of the formula ##STR48##
A bis-azo compound of the formula ##STR49##
A bis-azo compound of the formula ##STR50##
A bis-azo compound of the formula ##STR51##
A bis-azo compound of the formula ##STR52##
A bis-azo compound of the formula ##STR53##
A bis-azo compound of the formula ##STR54##
Dependencies are inferred from the claim text.