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7608372 Electrophotographic photoreceptor, electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge  
Provided are a photoreceptor, an image forming method, an image forming apparatus and a processing cartridge exhibiting an excellent effect on high quality toner images with no image defect caused...
7604914 Imaging member  
The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More...
7592112 Electrophotographic photoreceptor, process cartridge and electrophotographic apparatus  
A multilayer electrophotographic photoreceptor, comprising an electroconductive substrate, and at least an interlayer and a charge-generating layer formed on the substrate, wherein the interlayer...
7561828 Image-forming apparatus including an electrophotographic photoreceptor having an undercoat layer  
The invention provides an image-forming apparatus, having an electrophotographic photoreceptor, a charging unit, a light-exposure unit, a development unit, a transfer unit, and a controller that...
7560208 Polyester containing member  
A photoconductor containing a substrate, an undercoat layer thereover comprising a resin mixture of, for example, a polyol resin, and an aminoplast resin, and a polyester, and a metal oxide; a...
7544452 Thick undercoats  
Binders containing metal oxide nanoparticles and a co-resin of phenolic resin and aminoplast resin, and electrophotographic imaging member undercoat layer containing the binders.
7534536 Polyarylate containing member  
A photoconductor containing a substrate, an undercoat layer thereover comprising a polyol resin, an aminoplast resin, a polyarylate, a siloxane modified polyarylate, an epoxy modified polyarylate,...
7531284 Multi-layer photoreceptor  
A photoreceptor and method of forming the same is disclosed. A photoreceptor includes a substrate, an undercoat layer, and an imaging layer. The undercoat layer comprises a single, non-porous...
7527905 Imaging member  
An imaging member comprising a charge generating layer, a charge transport layers and an optional barrier layer between the charge generating layer and the charge transport layer. The charge...
7507511 Electrophotographic photoreceptor, and image forming apparatus and process cartridge therefor using the electrophotographic photoreceptor  
An electrophotographic photoreceptor, including: an electroconductive substrate; a first undercoat layer including no metal oxide, located overlying the electroconductive substrate; a second...
7498109 Electrophotographic imaging member undercoat layers  
An imaging member including a substrate; a charge generation layer positioned on the substrate; at least one charge transport layer positioned on the charge generation layer; and an undercoat layer...
7476479 Hydrolyzed semi-conductive nanoparticles for imaging member undercoating layers  
An imaging member includes a substrate, an intermediate layer, and a photoconductor layer, where the intermediate layer includes hydrolyzed semi-conductive nanoparticles, such as hydrolyzed...
7473510 Electrophotographic photoreceptor, a processing cartridge, an image forming apparatus and an image forming method  
An electrophotographic photoreceptor to be used in an image forming apparatus having a charge providing means by contacting a charging member to an electrophotographic photoreceptor is disclosed....
7462433 Photoreceptor additive  
The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More...
7459251 Imaging member  
An imaging member comprising a barrier or under-layer intermediate a photogenerating layer and charge transport layer to reduce charge deficiency spots. The barrier under-layer comprises a film...
7399565 Imaging member having undercoat layer comprising porphine additive  
The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More...
7371491 Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor  
A photoreceptor including an electroconductive substrate; and a charge blocking layer; a moiré preventing layer; and a photosensitive layer, which are overlaid overlying the substrate in this...
7361439 Lathe surface for coating streak suppression  
A photoreceptor aluminum alloy substrate is prepared with specific roughness characteristics and an oxide layer for use in multi-layered electrophotographic photoreceptor. A photoreceptor...
7354686 Electrophotographic photoconductor and process for manufacturing the same, and image forming apparatus and process cartridge containing the same  
An electrophotographic photoconductor includes an electroconductive substrate, a charge generation layer, and a charge transport layer formed by using a halogen-free solvent, arranged in this...
7351507 Electrophotographic photoreceptor, image forming apparatus and method, and image process cartridge  
An electrophotographic photoreceptor and image processing method, the photoreceptor including an electroconductive substrate; an undercoat layer overlying the electroconductive substrate; and a...
7348115 Electrophotographic photoconductor, process cartridge, image forming apparatus and image forming method  
An electrophotographic photoconductor, including an electrically conductive substrate, an undercoat layer containing a filler and a binder resin and provided on the substrate, and a photoconductive...
7344810 Photosensitive member  
The invention relates to an electrophotographic photosensitive member, and more specifically, to a photosensitive member having a photosensitive layer superimposed over a substrate. In one aspect...
7312007 Photoconductive imaging members  
A photoconductive member containing a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer contains a metallic component like a titanium...
7258958 Organic photoreceptor, process cartridge, image forming apparatus, and image forming method  
An organic photoconductor, comprises a conductive base, a charge generating lager and a charge transport layer, wherein the charge generating lager and the charge transport layer are provided in...
7232633 Imaging member having inorganic material filler surface grafted with charge transport moiety  
An imaging member with a surface-grafted material having an inorganic material, a linking group, and a charge transport moiety capable of transporting holes or electrons, and the charge transport...
7229729 Electrophotographic photoreceptor, process cartridge, image forming apparatus and image forming method  
An electrophotographic photoreceptor having an intermediate layer in which the intermediate layer contains a compound formed from a composition containing the following components X, Y and Z. ...
7226712 Photoconductive imaging members having pyrolyzed polyacrylonitrile hole blocking layer  
A photoconductive imaging member comprised of an optional supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking...
7201859 Hole transport layer and method for manufacturing the organic EL device by using the same  
The present invention discloses a hole transport layer of an organic EL display, comprising: a material including one of a PEDOT which is a mixture of a poly (3,4)-ethylenedioxythiophene and a...
7166398 Electrophotographic photoreceptor and device  
An electrophotographic photoreceptor having an interlayer and a photosensitive layer on an electroconductive substrate, wherein the interlayer comprises any one of 1) an N-type semiconductive...
7125635 Imaging members  
An undercoat composition and resulting layer formed therefrom, is disclosed which finds particular application in multilayered photoreceptors, such as are used in xerographic printing systems. The...
7052813 Imaging member  
A charge transport layer for an imaging member comprising a first and second charge transport layer wherein the second charge transport layer comprises a charge transport component, a hindered...
7049038 Photoconductive imaging members having pyrolized polyacrylonitrile hole blocking layer  
A photoconductive imaging member comprised of an optional supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking...
7010247 Coating liquid for an intermediate layer of electrophotographic photoconductor, manufacturing method thereof, electrophotographic photoconductor, electrophotographic apparatus, and electrophotographic photoconductor process cartridge using same  
A coating liquid for an electrophotographic photoconductor intermediate layer comprising a titanium oxide and a polycarboxylic acid polymer in a solvent is provided. The content of the...
6878496 Electrophotoreceptor, image forming method, image forming apparatus and processing cartridge  
An electrophotographic photoreceptor having an interlayer between an electroconductive support and a photoreceptive layer, wherein the interlayer contains an N-type semiconductive particle and a...
6864027 Coating liquid for electrophotographic photoreceptor, electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor  
A photoreceptor including an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate and including titanium oxide which has an average particle diameter...
6858363 Photoconductive imaging members  
A photoconductive imaging member comprised of a supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is...
6797445 Imaging member  
A flexible electrophotographic imaging member comprising a supporting substrate, at least one imaging layer on one side of the supporting substrate, a charge blocking layer, an optional adhesive...
6777149 Electrophotographic image forming apparatus and process cartridge, and electrophotographic photoreceptor therefor  
An image forming apparatus including at least an image irradiator configured to irradiate a photoreceptor with a coherent light beam while scanning to form pixel light spots thereon for forming an...
6773857 Electrophotographic photoreceptor, processes for producing the same, process cartridge, and electrophotographic apparatus  
An electrophotographic photoreceptor having, between an electroconductive substrate and a photosensitive layer, an interlayer which contains fine metal oxide particles and a binder resin and which,...
6723480 Substrate for electrophotography photosensitive body, electrophotography photosensitive body, and electrophotography device  
The object of the present invention is to provide an electrophotography photosensitive body substrate, photosensitive body, and electrophotography device used in a contact charging process that can...
6635397 Negative-charging electrophotographic photosensitive member  
A negative-charging electrophotographic photosensitive member comprising an aluminum-based substrate and a silicate film and a light-receiving layer in this order. The silicate film has a layer...
6623899 Electrophotographic photosensitive member, process for production thereof, process cartridge and electrophotographic apparatus  
An electrophotographic photosensitive member exhibiting good potential characteristic and image forming characteristic fee from difficulties, such as lower image density, black spots and fog or...
6620567 Electrophotographic photoreceptor, image forming apparatus and processing cartridge  
An electrophotographic photoreceptor is disclosed. The photoreceptor has an interlayer between an electroconductive substrate and a photosensitive layer wherein the interlayer contains a particle...
6472113 Electrophotoreceptor, image forming apparatus and processing cartridge  
An electrophotoreceptor, comprises a conductive support; a photoreceptive layer, an intermediate layer provided between the conductive support and the photoreceptive layer, the intermediate layer...
6432603 Process for producing electrophotographic photosensitive member  
A process for producing an electrophotographic photosensitive member has at least one of the following steps a) and b) and the following steps c) and d) of; a) etching an aluminum substrate with at...
6410197 Methods for treating aluminum substrates and products thereof  
Methods of forming a conductive aluminum substrate comprise anodizing a surface of an aluminum substrate to form a porous alumina surface layer, contacting the alumina surface layer with a liquid...
6399262 Electrophotographic photoreceptor  
An electrophotographic photoreceptor is disclosed. The photoreceptor has a photosensitive layer provided on an electrically conductive support which has a sealed alumite film, a surface layer of...
6383699 Photoreceptor with charge blocking layer containing quaternary ammonium salts  
This invention pertains to an electrographic photosensitive material comprising a blocking layer, an electroconductive substrate layer and a charge generation layer, where the blocking layer...
6365308 Light receiving member for electrophotography  
In order to maintain excellent electrical, optical and photoconductive characteristics and to significantly improve the durability under adverse environments, a light receiving member for...
6331371 Electrophotographic photoreceptor and its manufacturing method  
The electrophotographic photoreceptor according to the present invention has a conductive support (10) and a photoconductive layer laminated on the conductive support. The conductive layer is...
Matches 1 - 50 out of 304 1 2 3 4 5 6 7 >