Thioquinacridones and isothioquinacridones, preparation and use thereof
AssigneeCiba-Geigy Corporation
InventorsAlain C. Rochat, Edward E. Jaffe, Jin Mizuguchi
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Abstract
Compounds of the formulae I, II and III ##STR1## in which R is --F, --Cl, --Br, C.sub.1 -C.sub.18 alkoxy, and n is the number 0, 1, 2 or 3, are suitable in particular for use as photoconductive substances.
Claims11
A electrophotographic photoreceptor consisting at least of a conductive base, a photoconductive layer and a charge-transporting layer, wherein at least one of these layers contains at least one compound of the formulae I to III according to claim 1.
A compound of the formula I, II or III ##STR11## in which R is --F, --Cl, --Br, C.sub.1 -C.sub.18 alkyl or C.sub.1 -C.sub.3 alkoxy, and n is the number 0, 1, 2 or 3.
Dependencies are inferred from the claim text.