Pyrylium dyes for electrophotographic composition and element

Details Pyrylium dyes for electrophotographic composition and element Pyrylium dyes for electrophotographic composition and element

1974-06-18

1976-02-17

Martin, Jr., Roland E.

Gas separation: apparatus

Magnetic separating means

2603451, G03G 506

Patent

active

039389944

ABSTRACT:
This invention relates to organic compounds useful as sensitizers for organic photoconductive compositions having one of the following formulas: ##SPC1## ##SPC2##
Wherein:
R.sup.1 represents a hydrogen atom, an alkyl radical having 1 to about 15 carbon atoms, a substituted alkyl radical wherein the alkyl moiety contains from 1 to about 15 carbon atoms and wherein the substituents are phenyl radicals or alkoxy radicals containing 1 to about 4 carbon atoms, a phenyl radical, and a substituted phenyl radical having as substituents alkyl radicals having 1 to about 15 carbon atoms or alkoxy radicals having 1 to about 4 carbon atoms;
R.sup.2 represents R.sup.1 and a radical having the following formula: ##EQU1## X represents a hetero atom selected from the group consisting of an oxygen and a sulfur atom; and
Z.sup.- is an anionic function.

REFERENCES:
patent: 3250615 (1966-05-01), Van Allan et al.
patent: 3526502 (1970-09-01), Murakami et al.
patent: 3577235 (1971-05-01), Coltois
patent: 3617268 (1971-11-01), Murakami et al.
patent: 3694462 (1972-09-01), Grisdale

Affiliated with

Also associated with

Rating

Pyrylium dyes for electrophotographic composition and element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pyrylium dyes for electrophotographic composition and element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pyrylium dyes for electrophotographic composition and element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1744630