1-substituted-2-indoline hydrazone photoconductors

Claim 2

An element as described in claim 2 wherein said photoconductor is selected from the group consisting of N-isopropylidene-N''-(3-methyl-2-benzothiazal)hydrazine; N-benzylidene-N''-(3-methyl-2-benzothiazal)hydrazine; N-(p-diethylaminobezylidene)-N''-(3-methyl-2-benzothiazal)hydrazine; N-(p-dimethylaminobenzylidene)-N''-(3-methyl-2-benzothiazal)-hydrazine; N-(p-diphenylaminobenzylidene)-N''-(3-methyl-2-benzothiazal)hydrazine; N-(p-di-p-tolylaminobenzylidene)-N''-(3-methyl-2-benzothiazal)hydrazine; N-(p-diphenylamino-o-methoxybenzylidene)-N''-(3-methyl-2 -benzothiazal)hydrAzine and N-(4-diphenylamino-1-naphthylmethylene)-N''-(3-methyl-2 -benzothiazal)hydrazine.

Claim 3

An electrophotographic element comprising a conductive support having thereon a layer of a photoconductive composition comprising a photoconductor, a sensitizing amount of a sensitizer for said photoconductor and an electrically insulating polymeric film-forming binder, said photoconductor having the formula:

Claim 4

An electrophotographic element as described in claim 4 wherein said sensitizer is selected from the group consisting of pyrylium dye salts and cyanine dyes.

Claim 5

In an electrophotographic process comprising the steps of (1) uniformly charging an electrophotographic element which comprises a conductive support having thereon a layer containing an organic photoconductor, a sensitizing amount of a sensitizer for said photoconductor and an organic film-forming polymeric binder, and (2) exposing the layer to a pattern of actinic radiation to selectively dissipate the charge in accordance with the radiation pattern, the improvement comprising using as the photoconductor an organic compound having the formula: