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7629096 |
Electrophotographic photoreceptor with an undercoat layer containing a polyimide resin and electrophotographic apparatus with the photoreceptor
An electrophotographic photoreceptor that without detriment to excellent electrophotographic performance, realizes coating of any defects on a conductive substrate and excels in repetition...
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7608385 |
Information recording medium and method for producing the same
The information recording medium of the present invention comprises at least one of the following oxide-based material layers: (I) an oxide-based material layer containing Zr, at least one element...
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7579127 |
Blocked polyisocyanates incorporating planar electron-deficient tetracobonylbisimide moieties
The present invention is a photoconductive element containing an electrically conductive support, an electrical barrier layer disposed over said electrically conductive support and a charge...
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7556912 |
Optical information recording medium, reproducting method using the same, and optical information processing device
An optical information recording medium of the present invention includes a thin film section made up of one or more thin film, the thin film section being provided on a substrate. Thin films of...
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7544453 |
Photoreceptor with improved electron transport
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...
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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.
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7541124 |
Condensation polymer photoconductive elements
The present invention relates to photoconductive elements having an electrically conductive support, an electrical barrier layer and, disposed over the barrier layer, a charge generation layer...
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7537872 |
Image bearing member with charge blocking layer and moire prevention layer, and image forming apparatus and process cartridge using the same
An image bearing member including an electroconductive substrate, a charge blocking layer disposed overlying the electroconductive substrate, a moire prevention layer disposed overlying the charge...
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7534538 |
Coating liquid for intermediate layer in electrophotographic photoconductor, electrophotographic photoconductor utilizing the same, image forming apparatus and process cartridge for image forming apparatus
A coating liquid for an intermediate layer of an electrophotographic photoconductor comprises at least one of alcohol solvents; and N-methoxymethylated nylon, in which the N-methoxymethylated nylon...
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7534535 |
Photoreceptor member
An electrophotographic photoreceptor is disclosed which is provided with an anti-corrosion layer on the interface between the substrate surface and hole blocking layer. The photoreceptor has high...
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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...
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7521161 |
Electrophotographic photoreceptor, undercoat layer coating liquid therefor, and image forming apparatus and process cartridge using the photoreceptor
An electrophotographic photoreceptor, including an electroconductive substrate; an undercoat layer located overlying the electroconductive substrate; and a photosensitive layer located overlying...
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7510810 |
Cyanoresin polymers and electrophotographic imaging members containing cyanoresin polymers
Cyanoresin polymer reaction products of a hydroxyl-containing polymers and acrylonitrile, where at least one side chain group of the cyanoresin polymer is a cyano group, and electropotographic...
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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...
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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...
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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....
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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...
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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...
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7452644 |
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
An electrophotographic photosensitive member capable of outputting an image in which a defect such as a ghost is suppressed even in a high-temperature-and-high-humidity environment, and in which a...
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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...
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7371492 |
Vinyl polymer photoconductive elements
The present invention is a photoconductive element that includes an electrically conductive support, an electrical barrier layer disposed over said electrically conductive support, and disposed...
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7314694 |
Photoconductive imaging members
An imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is comprised of a metal alkyoxide, an amino...
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7267915 |
Photoconductive element having an amorphous polymeric barrier layer
This invention relates to electrophotography and to amorphous condensation polymers comprising a polyester-co-imide, polyester-co-imide, polyesterionomer-co-imide, or polyamide-co-imide as a...
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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...
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7244485 |
Imageable seamed belts having polyamide adhesive between interlocking seaming members
A seamed flexible belt having a substrate and a seam having interlocking seam members, wherein the interlocking seam members are held together by an adhesive having polyamide and an optional...
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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...
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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...
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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...
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7144971 |
Polycarbonates and photoconductive imaging members
A polycarbonate generated from the polymerization of a protected hydroxylated bisphenolic compound, a bisphenol, a monophenolic endcapping agent, a bisphenol haloformate, and a curing compound, and...
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7135218 |
Film for use in intermediate image transfer member and method of producing endless-belt-shaped film
A film is made of an insulating matrix resin and an electroconductive material, in which the electroconductive material is dispersed in the insulating matrix resin in such a manner that a surface...
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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...
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7097950 |
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
An electrophotographic photosensitive member capable of outputting an image in which a defect such as a ghost is suppressed even in a high-temperature-and-high-humidity environment, and in which a...
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7070894 |
Photoconductive imaging members
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...
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7070893 |
Thick intermediate and undercoating layers for electrophotographic imaging members, and method for making the same
An electrographic or electrostatographic imaging member comprises a supporting substrate, an undercoating layer, a charge generating layer, and a charge transport layer. Thick undercoating layers...
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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...
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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...
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7045263 |
Photoreceptor for electrophotography having a salt of an electron transport compound
This invention relates to an improved organophotoreceptor that comprises an electrically conductive substrate; a photoconductive element comprising a charge generation compound and a salt of an...
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7018758 |
Photoconductive imaging members
A photoconductive imaging member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is generated from a solution of a...
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6890693 |
Organophotoreceptor with an electron transport layer
Improved organophotoreceptor have an electrically conductive substrate, a charge generation layer comprising a charge generation compound and optionally a charge transport compound, and an overcoat...
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6866977 |
Photoconductive elements having a polymeric barrier layer
Disclosed are photoconductive elements including a conductive support, e.g., an electrically conductive film, drum, or belt, on which a negatively chargeable photoconductive layer is disposed. An...
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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...
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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...
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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...
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6656652 |
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
An electrophotographic photosensitive member includes a support, and a charge generation layer and a charge transport layer provided on the support in this order. The charge generation layer...
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6596383 |
Film for use in intermediate image transfer member and method of producing endless-belt-shaped film
A film is made of an insulating matrix resin and an electroconductive material, in which the electroconductive material is dispersed in the insulating matrix resin in such a manner that a surface...
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6551752 |
Electrophotographic photosensitive member, 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 or black spots and fog,...
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6444386 |
Photoconductive imaging members
A photoconductive imaging member containing a supporting substrate, a hole blocking layer thereover, a photogenerating layer, and a charge transport layer, and wherein the hole blocking layer is...
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6287737 |
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...
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6280894 |
Imaging apparatus and photoreceptor therefor
A photoreceptor for mounting on a drum comprising: a photoreceptor sheet comprising a backing layer, a conductive layer and a photoconductive layer; and an underlayer comprising a layer of...
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6277535 |
Undercoating layer for imaging member
An electrophotographic imaging member includes a supporting substrate, an undercoating layer, an optional adhesive layer, a photogenerating layer, and a charge transporting layer. The undercoating...
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