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8173342 |
Core shell photoconductors
A photoconductor that includes a photogenerating layer, and a charge transport layer containing a charge transport component, and a core shell component, and wherein the core is comprised of a...
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8168357 |
Polyfluorinated core shell photoconductors
A photoconductor that includes a photogenerating layer and a charge transport layer containing a charge transport component, a fluorinated polymer, and a core shell component, and wherein the core...
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8158315 |
SN containing hole blocking layer photoconductor
A photoconductor that includes a supporting substrate, a hole blocking layer, a ground plane layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking...
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8153341 |
Phosphate containing photoconductors
A photoconductor that includes, for example, a supporting substrate, an undercoat layer thereover wherein the undercoat layer contains a metal oxide, a phenolic resin, and a phosphate; a...
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8137877 |
Electrophotographic photoreceptor having excellent stability in terms of electrical properties and interlayer adhesion strength and electrophotographic imaging apparatus employing the same
An electrophotographic photoreceptor including an undercoat layer and a photosensitive layer that are sequentially formed on an electrically conductive substrate, wherein the undercoat layer has a...
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8119316 |
Thiuram tetrasulfide containing photogenerating layer
A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the...
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8080627 |
Polycarbonate resin, process for producing the same and electrophotographic photoreceptor using the same
The present invention provides an electrophotographic photoreceptor having excellent lubricity and abrasion resistance by using a novel polycarbonate resin comprising structural units having a...
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8080628 |
Polycarbonate resin and electrophotographic photosensitive body using the same
An electrophotographic photosensitive body which has both good image stability and wear resistance under high temperature and high humidity conditions can be obtained by using a novel polycarbonate...
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8062815 |
Imidazolium salt containing charge transport layer photoconductors
A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the at least...
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8062816 |
Phosphonate hole blocking layer photoconductors
A photoconductor that includes, for example, a substrate; a first layer like a ground plane layer; an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a...
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8053152 |
Boron containing hole blocking layer photoconductor
A photoconductor that includes a supporting substrate, a ground plane layer, a hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the hole blocking...
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8048601 |
Aminosilane and self crosslinking acrylic resin hole blocking layer photoconductors
A photoconductor that includes, for example, a substrate; a first layer like a ground plane layer; an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a crosslinked...
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8021810 |
Image carrier, process cartridge and image-forming apparatus
An image carrier includes a conductive base material and a photosensitive layer formed on the base material. The photosensitive layer has an outermost surface layer that contains particles having a...
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7964328 |
Condensation polymer photoconductive elements
The present invention relates to photoconductive elements having an electrically conductive support, an electrical barrier layer and, disposed over the conductive layer, a charge generation layer...
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7960081 |
Electrophotographic photoreceptor having N-alkoxymethylated nylon intermediate layer, and image forming apparatus having the electrophotographic photoreceptor
An electrophotographic photoreceptor, including an electroconductive substrate; an intermediate layer, located overlying the electroconductive substrate; and a photosensitive layer, located...
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7947418 |
Sulfonamide phenolic hole blocking photoconductor
A photoconductor that includes, for example, a substrate, an undercoat layer thereover wherein the undercoat layer contains a metal oxide dispersed in a mixture of a sulfonamide formaldehyde resin...
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7914961 |
Salt additive containing photoconductors
A photoconductor comprising a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein at least one...
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7910274 |
Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
An electrophotographic photosensitive member is provided in which both a potential variation over a long time period and a potential variation within a short time period are suppressed. A method of...
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7871748 |
Iron containing hole blocking layer containing photoconductors
A photoconductor that includes a substrate; an undercoat layer thereover wherein the undercoat layer contains, for example, a metal oxide, and an iron containing compound; a photogenerating layer;...
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7871747 |
Electrophotographic photoconductor having charge blocking and moire preventing layers
To provide an electrophotographic photoconductor that has a layer containing a compound represented by the following general formula (1), and an image forming apparatus using the...
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7851112 |
Thiophosphate containing photoconductors
A photoconductor containing an optional supporting substrate, a thiophosphate containing photogenerating layer, and a charge transport layer which includes a polyhedral oligomeric silsesquioxane...
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7846628 |
Hole blocking layer containing photoconductors
A photoconductor that includes a substrate; an undercoat layer thereover wherein the undercoat layer comprises a metal oxide, an electron donor electron acceptor charge transfer complex; a...
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7838189 |
Imaging member having sulfur-containing additive
An imaging member containing a substrate, and an outer layer containing a sulfur-containing additive, and an image forming apparatus for forming images on a recording medium including the imaging...
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7824830 |
Coating liquid and electrophotographic photoreceptor prepared using the coating liquid
A coating liquid including an N-alkoxymethylated nylon and a solvent, wherein the N-alkoxymethylated nylon includes one or more ions in an amount of from 200 to 500 ppm based on a weight of the...
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7785762 |
Image forming apparatus and image forming method
An image forming apparatus including an image bearing member for bearing a latent electrostatic image including a substrate, an intermediate layer containing a metal oxide, a photosensitive layer...
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7732111 |
Photoconductors containing halogenated binders and aminosilanes in hole blocking layer
A photoconductor containing a supporting substrate; an undercoat layer comprised of a mixture of an aminosilane and a halogenated polymer; a photogenerating layer; and at least one charge transport...
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7704655 |
Electrophotographic photoreceptor and electrophotographic apparatus
An electrophotographic photoreceptor which can respond to a reduction in diameter of photoreceptor and a process having high circumferential speed, due to the demand in the miniaturization and...
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7704656 |
Photoconductive imaging member
A photoreceptor comprising a charge transport layer doped with a polyarylate polymer is provided. A charge transport layer is doped with about 0.1 to about 10.0% by weight, solids basis, of a...
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7670743 |
Image forming method
An image is formed by projecting an image by way of an image irradiating device onto an image bearing member configured to operate at a linear velocity of at least 300 mm/sec, and which is...
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7645555 |
Photoreceptor member
An electrophotographic photoreceptor and method for forming a photoreceptor is disclosed which is provided with an anticorrosion layer on the interface between the supporting substrate surface and...
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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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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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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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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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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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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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