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7592111 Imaging member  
An electrostatographic imaging member formulated with a liquid carbonate is provided. The imaging electrostatographic member exhibits improved service life.
7579125 Imaging member  
An imaging member has a crosslinked overcoat layer which holds fluorinated nanoparticles. The overcoat layer is formed from an overcoat solution comprising a polymer binder; a hole transport...
7560205 Photoconductive imaging members  
A photoconductive imaging including at least a substrate, a charge generating layer, a charge transport layer, and an overcoat layer. The overcoat layer includes a crosslinked product of at least a...
7529504 Organic photoconductor, process cartridge and image forming apparatus both employing the same  
An image forming apparatus has an organic photoconductor having a surface layer containing fluorine-containing resin particles whose number average primary particle size is not less than 0.02 μm...
7498110 Electrophotographic photosensitive member  
There is provided an electrophotographic photosensitive member used in an electrophotographic apparatus which meets energy saving and higher image quality. The electrophotographic photosensitive...
7482106 Image forming method and image forming apparatus  
An image forming method comprising steps of forming a toner image by developing by a toner a latent image on a photoreceptor comprised of a layer formed on a substrate, transferring the toner image...
7442479 Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor  
A photoreceptor including at least an electroconductive substrate, and a charge blocking layer, a moiré preventing layer, and a photosensitive layer, which are located overlying the...
7427440 Photoreceptor layer having polyether lubricants  
An imaging member containing a substrate, and an outer layer containing a polyether lubricant, and an image forming apparatus for forming images on a recording medium including the imaging member...
7358017 Photoconductor with ceramer overcoat  
A polyurethane-silica hybrid, or polyurethane-silica/silsesquioxane hybrid overcoat improves the life of the photoconductor drum without significantly altering the electrophotographic properties of...
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...
7229730 Process for producing negative-charging electrophotographic photosensitive member, negative-charging electrophotographic photosensitive member, and electrophotographic apparatus using same  
The invention provides a process for producing a negative-charging electrophotographic photosensitive member which can improve the adherence between a first layer and a second layer without...
7229731 Electrophotographic photosensitive member and electrophotographic apparatus using the electrophotographic photosensitive member  
To provide a high-image-quality electrophotographic photosensitive member having a high sensitivity for a wavelength close to 380 to 500 nm, remarkable image resolution property in which absorption...
7205081 Imaging member  
An imaging method utilizing an imaging member containing a supporting substrate, a layer of a charge carrier injecting surface, a hole blocking layer, an optional adhesive layer, a layer of a...
7157197 Electrophotographic photosensitive member  
An electrophotographic photosensitive member is provided which can keep at a minimum the absorption of image exposure light of 380 to 500 nm in wavelength in its surface layer and concurrently can...
7153621 Electrophotographic photoreceptor and image forming apparatus using the photoreceptor  
An electrophotographic photoreceptor including a photosensitive layer on an electroconductive substrate, wherein nitrate ion is present on the surface of the photosensitive layer in an amount of...
7150950 Photosensitive member having ground strip with lignin sulfonic acid doped polyaniline  
An electrostatographic imaging member having a flexible supporting substrate, an imaging layer capable of retaining an electrostatic latent image, and an electrically conductive ground strip layer...
7147978 Electrophotographic photoreceptors with novel overcoats  
This invention relates to a photoreceptor that includes: (a) an overcoat layer comprising at least a rheology modifier and a polymeric resin selected from the group consisting of urethane...
7132208 Composition for forming overcoat layer for organic photoreceptor and organic photoreceptor employing overcoat layer prepared from the composition  
A composition forms an overcoat layer for an organic photoreceptor by combining an organic silane compound, an acrylic polymer, polyvinyl butyral and a solvent. The organic photoreceptor has...
7122283 Photoconductive members  
A photoconductive member containing, for example, a substrate, a photogenerating layer, a charge transport layer and an overcoat layer wherein the overcoat layer is comprised of a crosslinked...
7122284 Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom  
An electrophotographic photoconductor has an electroconductive support and a photoconductive layer which is formed thereon and contains at least one resin of a polyurethane resin, a polyester...
7108947 Sol-gel processes for photoreceptor layers  
A photoconductive imaging member includes a hole blocking layer, a photogenerating layer, a charge transport layer, and an optional overcoating layer, wherein at least one of the charge transport...
7078140 Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge  
According to the present invention, there is provided: an electrophotographic photosensitive member having a photosensitive layer on a support in which a surface layer of the electrophotographic...
7043175 Image forming method and apparatus  
In an image forming system, an image-bearing member having a photoconductor layer comprising an Si-based non-single crystal material is charged at a relatively low potential of 250 to 600 volts by...
6939651 Electrophotographic photoconductor, and process cartridge and electrophotographic apparatus using the same  
An electrophotographic photoconductor comprising at least an electroconductive support and a photoconductive layer which is formed on said electroconductive support, the outermost layer of the...
6933090 Photosensitive member for electrophotography  
The present invention relates to a photosensitive member for electrophotography which comprises a electroconductive support and one or more layers that include a photosensitive layer formed on the...
6911288 Photosensitive member having nano-size filler  
An imaging member having a substrate, a charge transport layer having charge transport materials dispersed therein, and an overcoat layer, wherein at least one of the charge transport layer and the...
6858362 Electrophotographic photoreceptor, and image forming method and apparatus using the photoreceptor  
An electrophotographic photoreceptor including an electroconductive substrate, a photosensitive layer located overlying the electroconductive substrate, and optionally a protective layer overlying...
6846600 Electrophotographic photosensitive member, process for its production, and electrophotographic apparatus  
A process for producing an electrophotographic photosensitive member comprising the steps of depositing a non-single crystal material composed basically of silicon atoms, on a cylindrical substrate...
6686109 Electrophotographic process and apparatus  
In an electrophotographic process using an amorphous silicon photosensitive member which has a surface protective layer and effecting reverse development and cleaning with a cleaning blade, the...
6649314 Process for reducing image defects in an electrostatographic apparatus containing particulate contaminants  
A process for reducing image defects in an electrostatographic image resulting from particulate contamination. A primary imaging member, including a photoconductive element and an outermost layer...
6576388 Multilayer electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the photoreceptor  
An electrophotographic photoreceptor including at least an electroconductive substrate; and a photosensitive layer overlying the electroconductive substrate and including at least a charge...
6548218 Magnetic particles for charging means, and electrophotographic apparatus, process cartridge and image forming method including same  
Magnetic particles for charging means disposed in contact with an electrophotographic photosensitive member for charging the electrophotographic photosensitive member based on a voltage applied...
6531253 Electrophotographic photosensitive member and apparatus using same  
An a-Si photosensitive member and an image forming apparatus are provided which prevent fusion bonding in digital copying machines and attain satisfactory image formation. Specifically, in order...
6517984 Silsesquioxane compositions containing tertiary arylamines for hole transport  
An electrophotographic element comprises: an electrically conducting layer, a charge generating layer overlying the electrically conducting layer, and a charge transport layer overlying the...
6503674 Component for a printer, fax machine, copier or the like  
Member for a printer, a fax machine, a copier or a toner cartridge, in which said member has a face in contact with toner particles, said face being provided with a top layer in contact with toner...
6489069 Electrophotographic image carrier and image forming apparatus, image forming method and processing cartridge using it  
An electrophotographic image carrier is disclosed. The image carrier has a photoreceptor made from a photoreceptive layer and a resin layer. The resin layer is made of a siloxane resin having a...
6489071 Electrophotosensitive material  
The invention relates to an electrophotosensitive material comprising an organic photosensitive layer and an inorganic surface protective layer, wherein at least an outermost part of the organic...
6447966 Electrophotographic photosensitive body and wet electrophotographic apparatus  
This invention is to provide an electrophotographic photosensitive body used in a wet electrophotographic apparatus and including a substrate having a conductive surface, and a photosensitive layer...
6444387 Image bearing material, electrophotographic photoreceptor using the image bearing material, and image forming apparatus using the photoreceptor  
An image bearing material including a matrix resin and, within the matrix resin, a core/shell graft copolymer including a core including one or more polymers and a shell including a graft polymer...
6436597 ELECTROPHOTOGRAPHIC PHOTOSENSITVE MEMBER, PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER  
An electrophotographic photosensitive member has a support and a photosensitive layer formed thereon. The electrophotographic photosensitive member has a surface layer containing a...
6408152 Process cartridge and electrophotographic apparatus  
A process cartridge is disclosed which includes an electrophotographic photosensitive member having a photosensitive layer and a charging means. The charging means has a charging member which is...
6406824 Electrophotographic photosensitive member and electrophotographic apparatus having the photosensitive member  
As the surface layers of an electrophotographic photosensitive member, a first surface layer which satisfies a condition that a center line average surface roughness (Ra) ranges from 50 Å to 5000...
6395441 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus  
The present invention provides an electrophotographic photosensitive member having a surface layer containing diorganopolysiloxane having, as substituents, a perfluoro group, and a group having a...
6372397 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus  
An electrophotographic photosensitive member is constituted by a support and a photosensitive layer disposed on the support. The photosensitive layer comprises a charge-transporting material and a...
6372398 Electronic device, manufacturing method of electronic device, electrophotographic photoreceptor, and process cartridge  
The present invention relates to a manufacturing method of an electronic device comprising the steps of: preparing at least two kinds of hydrolytic silicon compounds that are different in...
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...
6365309 Photosensitive member for electrophotography with specic surface protective layer  
The present invention provided a photosensitive member for electrophotography having excellent durability and adhesion between a surface protective layer and a photosensitive layer. In the...
6342324 Release layers and compositions for forming the same  
Release compositions include (a) from zero to about 30 parts by weight of a polymer selected from the group consisting of wherein R 1 , R 2 , R 3 , R 6 , R 7 , R 10 , R 11 , and R 12 are each...
6342325 Photoconductor  
The main material of related photoconductors is silicon. When toner is blown onto a photoconductor, spots of NO x occur, which leads to occurrence of image blurring and image running, and image...
6322943 Light-receiving member, image forming apparatus having the member, and image forming method utilizing the member  
There is provided a light-receiving member comprising a photoconductive layer provided on an electroconductive substrate, and a surface layer provided on the photoconductive layer, the surface...
Matches 1 - 50 out of 460 1 2 3 4 5 6 7 8 9 10 >