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8170449 |
Image forming apparatus and process cartridge
An image forming apparatus including an image bearing member which has an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate and a cross-linked resin...
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8168358 |
Polysulfone containing photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein the charge transport layer contains a polysulfone.
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8137876 |
Electrophotographic photoreceptor belt
An electrophotographic photoreceptor which is excellent in wear resistance and crack resistance and has a long photoreceptor lifetime can be produced by using a polycarbonate resin composition...
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8126369 |
Image forming apparatus and process cartridge
The invention provides an image forming apparatus, comprising: an electrophotographic photoreceptor, a charging unit, an exposure unit, a developing unit, a transfer unit, a fixing unit, and a...
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8101327 |
Overcoat for electrophotographic imaging member and methods of making and using same
Disclosed herein is an electrophotographic imaging member comprising a substrate, a charge transport layer and an overcoat layer formed by combining a film forming binder and a hole transporting...
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8097388 |
Crosslinking outer layer and process for preparing the same
The presently disclosed embodiments are directed to an improved low wear overcoat for an imaging member having a substrate, a charge transport layer, and an overcoat positioned on the charge...
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8088542 |
Overcoat containing titanocene photoconductors
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, a charge transport layer, and an overcoat layer that contains a titanocene.
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8084170 |
Electrophotographic photoconductor, electrophotographic process cartridge containing the same and electrophotographic apparatus containing the same
An object of the present invention is to provide an electrophotographic photoconductor having an extremely low increase in friction coefficient and wear, while also having superior cleanability...
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8067137 |
Polymer containing charge transport photoconductors
A photoconductor that includes a supporting substrate, a photogenerating layer, and at least one charge transport layer that contains at least one charge transport component, and a...
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8057974 |
Imaging member
Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, and a charge transport layer in...
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8043773 |
Image bearing member, image forming apparatus and process cartridge
An image bearing member including an electrostatic substrate, a photosensitive layer located overlying the electrostatic substrate, a surface layer located overlying the photosensitive layer, and...
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8012655 |
Imaging member and methods of forming the same
The presently disclosed embodiments are directed to an imaging member having an outermost layer formulation that includes wax particles which creates a rough surface morphology for the layer and...
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8007970 |
Low friction electrostatographic imaging member
Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and...
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7985522 |
Electrophotographic photoreceptor
Disclosed is an electrophotographic photoreceptor which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photoreceptor containing a...
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7955769 |
Control of crazing, cracking or crystallization of a charge transport layer in a photoconductor
Embodiments of a photoconductor for use in a printer or printer cartridge comprise an electrically conductive substrate, a charge generation layer disposed over the electrically conductive...
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7951516 |
Electrophotographic photoreceptor, method of producing the same, process cartridge, and image-forming apparatus
The electrophotographic photoreceptor of the present invention includes a cylindrical support; a charge-generating layer and a charge-transporting layer that are layered onto the cylindrical...
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7935465 |
Self lubricating photoreceptor
Disclosed is an electrophotographic imaging member that includes a lubricant delivering coating having a polymer matrix, a charge transport component, and a lubricant encapsulated within nano- or...
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7927774 |
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
An object of the present invention is to provide an electrophotographic photosensitive member having high durability and hardly causing sensitivity decrease even if short wavelength light,...
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7923188 |
Imaging member
The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved electrostatographic imaging...
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7923187 |
Imaging member
The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved electrostatographic imaging...
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7901855 |
Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
A charge transport layer serving as a surface layer of an electrophotographic photosensitive member contains a polyester resin having a repeating structural unit represented by the following...
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7893185 |
Polycarbonate copolymer, method for producing the same, molded body, optical material, and electrophotographic photosensitive body
A polycarbonate copolymer contains: 0.1 to 50 mol % of a monomer unit represented by the following formula (1); and a monomer unit represented by the following formula (2). In the polycarbonate...
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7875410 |
Electrophotographic photosensitive member having siloxane-polyester, process cartridge and electrophotographic apparatus
A charge transport layer serving as a surface layer of an electrophotographic photosensitive member contains a charge transporting material, polyester resin A containing a siloxane moiety and at...
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7867677 |
Imaging member having first and second charge transport layers
Provided is an imaging member such as photoreceptor comprising a substrate, a charge generation layer, a first charge transport layer, a second charge transport layer, and an optional overcoat...
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7858278 |
Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor
An electrophotographic photoreceptor is provided, including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein an outermost layer...
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7851113 |
Electrophotographic photoreceptors having reduced torque and improved mechanical robustness
Overcoat layers, which may be useful for reducing torque in electrophotographic photoreceptors, are provided. The overcoat layers include a polymer matrix having a particulate inorganic lubricant...
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7838190 |
Electrophotographic photosensitive member with surface layer of fluororesin particles and polyolefin with perfluoroalkyl group
An electrophotographic photosensitive member having excellent electrophotographic properties, a method of manufacturing the electrophotographic photosensitive member, and a process cartridge and an...
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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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7811729 |
Imaging member
Disclosed is an imaging member comprising a conductive substrate, a photogenerating layer comprising a photogenerating material in contact with the substrate, a first charge transport layer in...
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7811728 |
Imaging members and process for preparing same
An imaging member including a substrate; thereover a charge generating layer; thereover a first charge transport layer comprising a small molecule charge transport material and a polymeric...
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7807324 |
Photoconductors
An imaging member containing an optional supporting substrate, a photogenerating layer, a charge transport layer, and an overcoat layer comprised, for example, of a phenolic resin containing a...
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7803507 |
Electrophotographic photoreceptor and image forming apparatus including the same
An electrophotographic photoreceptor of high durability capable of providing stable excellent electrical characteristics over a prolonged period of time, which electrophotographic photoreceptor...
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7799496 |
Electrophotographic photosensitive member, method of manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
An electrophotographic photosensitive member having excellent electrophotographic properties while being prevented from the generation of blade turn-up, a method of manufacturing the...
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7781134 |
Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge for the image forming apparatus
A photoreceptor is provided having an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, wherein an outermost layer of the photoreceptor...
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7767373 |
Imaging member having high molecular weight binder
Imaging members useful in electrostatographic apparatuses, including printers, copiers, other reproductive devices, and digital apparatuses. More particularly, imaging members having a binder of...
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7759032 |
Photoreceptor with overcoat layer
An electrophotographic imaging member includes a substrate, a charge generating layer, a charge transport layer, and an overcoating layer, where the overcoating layer includes a terphenyl arylamine...
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7740997 |
Photoreceptor including multi-block polymeric charge transport material at least partially embedded within a carbon nanotube material
An electrophotographic imaging member includes a substrate, a photogenerating layer, and an optional overcoating layer, where the photogenerating layer includes a multi-block polymeric charge...
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7718337 |
Electrophotographic photoreceptor
The present invention relates to an electrophotographic photoreceptor comprising an electroconductive substrate and a photosensitive layer formed thereon, wherein the photosensitive layer contains...
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7704657 |
Electrophotographic photosensitive member, method of manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
An electrophotographic photosensitive member having excellent electrophotographic properties while being prevented from the generation of blade turn-up, a method of manufacturing the...
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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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7648810 |
Liquid ink resistant photoreceptor
An electrophotographic imaging member comprises a substrate, an electrophotographic imaging layer and an overcoat layer comprising a cross-linkable polymer and a hole transport material, wherein...
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7642028 |
Imaging members
Novel surface layers for photoreceptors are provided. The surface layers are a polymeric composition including a resin and a cyclic polymer.
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7642029 |
Imaging member
A flexible imaging member which does not require the use of an anti-curl back coating is disclosed herein. The flexible imaging member has a layer comprising two charge transport molecules...
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7638248 |
Electrophotographic photoconductor
An electrophotographic photoconductor containing a conductive substrate and at least a charge generating layer and a charge transporting layer successively layered on the substrate, wherein the...
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7618757 |
Imaging member having first and second charge transport layers
Provided is an imaging member such as photoreceptor comprising a substrate, a charge generation layer, a first charge transport layer, a second charge transport layer, and an optional overcoat...
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7611811 |
Imaging member
An imaging member having an adhesive charge transport layer is disclosed herein. The charge transport layer comprises a low surface energy polymer having siloxane segments in its backbone and a...
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7604913 |
Electrophotographic photosensitive body
Disclosed is an electrophotographic photoreceptor which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photoreceptor containing a...
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7588871 |
Electrophotographic photoreceptor and image forming apparatus provided with the same
An electrophotographic photoreceptor having excellent electric characteristics such as sensitivity characteristic and light responsiveness with an excellent life duration of abrasion resistance so...
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7585603 |
Curable resin composition, electrophotographic photoreceptor, process cartridge, and image-forming apparatus
A curable resin composition for use as a constituting material of an electrophotographic photoreceptor, comprises: a phenolic resin; a charge transportable material having a reactive functional...
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7585604 |
Electrographic photosensitive member, process cartridge and electrophotographic apparatus
An object of the present invention is to provide an electrophotographic photosensitive member having high durability and hardly causing sensitivity decrease even if short wavelength light,...
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