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7811731 Photoconductive members  
A photoconductive imaging member including at least a charge generating layer, a charge transport layer, and an overcoat layer. The overcoat layer includes a cured or substantially crosslinked...
7651827 Photoreceptor layer having phosphorus-containing lubricant  
An imaging member containing a substrate, and an outer layer containing a phosphorus-containing lubricant, and an image forming apparatus for forming images on a recording medium including the...
7635548 Photoreceptor  
An electrophotographic imaging member includes a substrate, a photogenerating layer, and an optional overcoating layer, where the photogenerating layer includes a self-assembled carbon nanotube...
7479357 Electrophotographic organophotoreceptors with novel charge transport materials  
An organophotoreceptor that includes: (a) a charge transport material having the formula wherein A is selected from heterocyclic groups, naphthyl group, alkylsulfonylphenyl, stilbenyl or the group...
7358014 Electrophotographic organophotoreceptors with novel charge transport compounds  
A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula where R1 and R2 are...
7195851 Charge-transfer material and process for producing the same, electron-transfer agent, photoreceptor for electrophotography and organic electroluminescence element using said charge-transfer material  
A photosensitive layer contains an electron-transfer agent that makes use of a compound represented by the following general formula (1): wherein R1 through R4 are each independently selected from...
6645685 Process for producing printed wiring board  
Disclosed is disclosed a process for producing a printed wiring board which comprises the steps of: a) exposing a wiring board having at least one photoconductive layer in which its chargeability...
6521386 Electrophotographic photoreceptor and electrophotographic image forming method and apparatus using the photoreceptor  
An electrophotographic photoreceptor including an electroconductive substrate and a photoreceptive layer, which is formed overlying the substrate, wherein the photoreceptive layer includes a charge...
6379853 Electrophotographic imaging member having two charge transport layers for limiting toner consumption  
An electrophotographic imaging member including a supporting substrate, an optional charge blocking layer, an optional adhesive layer, a charge generating layer, and a charge transporting element...
5952139 Electrophotographic photoconductor  
An electrophotographic photoconductor is provided which principally consists of an electrically conductive substrate, a charge generation layer, and a charge transport layer which contains an...
5763126 Electrophotographic photoreceptor and production process for same  
The present invention provides an electrophotographic photoreceptor having a uniform film, in which the electrical characteristics are not deteriorated over an extended period of time without...
5545499 Electrophotographic photoconductor having improved cycling stability and oil resistance  
A photoconductor for use in electrophotographic reproduction devices is disclosed. This photoconductor exhibits improved oil resistance when used with liquid toners and excellent cycling stability....
5516610 Reusable inverse composite dual-layer organic photoconductor using specific polymers  
An inverse dual-layer organic photoconductor comprising a charge generation layer (CGL) formed on top of a charge transport layer (CTL), in turn formed on a substrate such as a web (drum) or...
5492786 Electrophotographic photoreceptor  
The present invention is directed to an electrophotographic photoreceptor which is smooth without orange peel, inhibits the rise of a residual potential and the drop of a charged potential, and is...
5486936 Optically addressed spatial light modulator  
An optically addressed spatial light modulator having a multilayer-type photo conductive layer with a charge carrier generation layer and a charge carrier transport layer having a large mobility....
5356742 Dipyrenylamine derivatives and electrophotographic photoconductor comprising the same  
An electrophotographic photoconductor is composed of an electroconductive substrate and a photoconductive layer formed thereon, the photoconductive layer includes a dipyrenylamine derivative of...
5350654 Photoconductors employing sensitized extrinsic photogenerating pigments  
A layered photoreceptor is composed of a substrate, an extrinsic pigment layer that has been sensitized disposed over the substrate, and a charge transport polymer in contact with the pigment...
5334856 Image readout element with oxytitanium phthalocyanine  
An image readout device having a plurality of readout elements for converting image into electrical signals, each element having a photoconductive layer and a pair of electrodes which contact the...
5324610 Electrophotographic organic photosensitive material with diphenoquinone derivative  
The organic photosensitive material for electrophotography in accordance with this invention is characterized in that a non-symmetrically substituted diphenoquinone derivative represented by the...
5252417 Titanyl phthalocyanine crystal and electrophotographic photoreceptor using the same  
A novel titanyl phthalocyanine crystal showing X-ray diffraction peaks at Bragg angles (2θ±0.2) of 27.2°, 24.0°, 18.0°, 14.3°, and 9.5° and an electrophotographic photoreceptor containing the sa...
5213924 Electrophotographic photoreceptor containing polycarbonate resin as binder resin  
Electrophotographic photoreceptors which are free of the whitening (gelation) of coating solutions during production thereof and maintain high mechanical strength, high surface hardness and...
5173385 Photosensitive member for electrophotography with copolyamide interlayer  
In the field of the photosensitive member for electrophotography comprising an electrically conductive substrate and at least one primer layer and a photosensitive layer, there is disclosed an...
5173384 Electrophotographic photoreceptor  
According to the present invention, there is provided a layered-type organic electrophotographic photoreceptor in which a charge generating layer containing organic charge generating material and a...
5130217 Squarylium photoconductors with noncrystalline bisphenol a binders  
An aggregate xerographic photoconductor having light sensitive squarylium dye and a binder for said dye is chosen from a mixture of bisphenol molecules to form a noncrystalline, nonpolymeric...
5130214 Method for producing electrophotographic photoreceptor and apparatus used therefor  
Disclosed is a method for producing an electrophotographic photoreceptor capable of repeated copying without one imagewise exposure for every one copying and which is superior in stability,...
5120627 Electrophotographic photoreceptor having a dip coated charge transport layer  
Disclosed herein is an electrophotographic photoreceptor having on a conductive base at least one charge generation layer and at least one charge transport layer, said charge transport layer having...
5116709 Electrophotoreceptor using styrene-maleic anhydride copolymer as the polymeric binder  
An electrophotoreceptor comprising a conductive substrate, a charge generation layer and a charge transport layer wherein the charge transport layer comprises a polymeric binder and a charge...
5098810 Electrophotographic photoreceptors  
The present invention provides an electrophotographic photoreceptor consisting essentially of an electrically conductive substrate and a photosensitive layer containing at least one charge...
5068762 Electrophotographic charging device  
An electrophotographic device has an electrophotographic photosensitive member and a blade for charging arranged in contact with the photosensitive member, the photosensitive member being charged...
RE33724 Photoreceptor having polycarbonate layers and process for the preparation thereof  
A photoreceptor comprising a photosensitive layer and a support, wherein said photosensitive layer contains a polycarbonate compound binder selected from the group consisting of Formula A and B,...
5053303 Electrophotographic element having separate charge generating and charge transporting layers  
An electrophotographic photosensitive material suitable for application to a laser beam printer is disclosed which includes an electrically conductive support having provided thereon a charge...
5017449 Electrophotographic photosensitive member with substituted nylon interlayer  
An electrophotographic photosensitive member comprises an electroconductive support, and at least an undercoating layer, a charge generation layer and a charge transport layer, laid successively on...
5002845 Electrophotographic image forming member and method and apparatus for transferring electrophotographic images formed on the member  
An electrophotographic image forming member for forming color images including an organic photosensitive layer sandwiched between a dielectric layer and a conductive layer. The photoconductive...
4988594 Diazo photoconductor for electrophotography  
A photoconductor for electrophotography comprises an electroconductive substrate and a photoconductive layer formed on the substrate and including a novel disazo compound as a charge generating...
4980254 Electrophotographic photosensitive member having charge generator pigment of specified particle size distribution  
An electrophotographic photosensitive member having an electroconductive substrate and a photosensitive layer or layers contains pigment particles of 0.5 μ or below in size in an amount of 80% or ...
4963450 Electrophotographic photosensitive member with disazo pigment  
A laminated layer type electrophotographic photosensitive member has a charge generation layer and a charge transport layer on an electroconductive support, characterized in that the charge...
4942106 Electrophotographic photosensitive member containing disazo pigment having coupler residue  
An electrophotographic photosensitive member has a photosensitive layer on an electroconductive support, characterized in that said photosensitive layer contains a disazo pigment of the formula...
4908289 Photoreceptor for electrophotography  
Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds...
4895782 Process for preparing dispersion liquid containing organic, photoconductive azo pigment and process for preparing electrophotographic, photosensitive member  
A process for preparing a dispersion liquid containing an organic photoconductive azo pigment by use of a solvent is provided which comprises subjecting the azo pigment to a heating treatment in a...
4891288 Photoreceptor for positive electrostatic charge  
Disclosed is a photoreceptor for electrophotography comprising a carrier generation layer and a charge transport layer. The organic charge generating substance has, at the time of positive...
4886721 Electrophotographic plate by use of metal naphthalocyanine derivative  
Disclosed are an electrophotographic plate comprising a photoconductive layer containing an organic photoconductive substance on an electroconductive support, characterized in that said...
4882257 Electrophotographic device  
An electrophotographic device performing reversal development to develop the portion with lower absolute value of potential in an electrophotographic process having steps of primary charging,...
4882250 Copper phthalocyanine photoreceptor and method for producing the same  
A photoreceptor comprises a conductive substrate, a charge generating layer and a charge transporting layer, the charge generating layer being formed by bonding to the substrate a film layer having...
4877701 Photosensitive member for electrophotography  
A photosensitive member for electrophotography which is excellent in successive copying characteristics as well as mechanical durability is provided. The photosensitive member comprises a...
4869982 Electrophotographic photoreceptor containing a toner release material  
An organic photosensitive member for use in electrophotography comprising a conductive substrate and one or more electrically operative layers is disclosed. The imaging layer of the member contains...
4863823 Electrophotographic member with the surface layer having a fluorine type resin powder and a fluorine type block polymer  
An electrophotographic photosensitive member has a photosensitive layer on an electroconductive support, characterized in that the surface layer contains a fluorine type resin powder and a fluorine...
4851314 Electrophotographic photosensitive member with combined polycarbonate resins  
An electrophotographic photosensitive member comprises a photosensitive layer on an electroconductive substrate, and photosensitive layer comprising at least one polycarbonate resins (I) having a...
4830944 Function separated photosensitive member having a diphenylamine derivative disazo charge generation material  
A function separated type electrophotographic photosensitive member for infrared rays comprises a combination of a charge generation material and a charge transport material, wherein the...
4818654 Electrophotographic photosensitive member with combination of polymethyl methacrylate resins  
An electrophotographic photosensitive member is provided which has an electroconductive substrate and a photosensitive layer, said photosensitive layer containing at least one of (I) polymethyl...
4762760 Electrophotographic recording material comprising a pyrazoline derivative  
An electrophotographic recording material is comprised of an electrically conducting film base, an optional, adhesion-promoting, insulating intermediate film and at least one binder-containing...
Matches 1 - 50 out of 109 1 2 3 >