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8178264 Coating fluid for forming undercoat layer and electrophotographic photoreceptor having undercoat layer formed by applying said coating fluid  
To provide a coating fluid for forming an undercoat layer having high stability, a high quality and long-life electrophotographic photoreceptor capable of forming a high quality image in various...
8138300 Intermediate transfer member  
There is disclosed an intermediate transfer member that includes a layer of a poly(imide-carbonate) copolymer having dispersed therein conductive particles. The layer can be a surface layer.
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...
8088541 Polyvinyl acetal resin, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus  
The present invention relates to a polyvinyl acetal resin having a specific repeating structural unit, an electrophotographic photosensitive member using the polyvinyl acetal resin, and a process...
8043777 Electrophotographic photoconductor, process cartridge, and image forming apparatus  
The present invention provides an electrophotographic photoconductor including, an uppermost crosslinked surface layer including a cured product of a crosslinked surface layer composition...
8000631 Developing device, image forming apparatus, and image forming method  
A developing device is provided to suppress image density unevenness by adjusting conditions of toner adhesion to an amorphous silicon photoconductor to a suitable range even when using both an...
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...
7955770 Photoconductor, photoconductor cartridge and image-forming apparatus  
The surface of a photoconductor is coated with a surface protection layer comprising a cured material of a fluorine-containing photo-curing composition containing fluorinated alkyl group-containing...
7951515 Ester thiols containing photogenerating layer photoconductors  
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer, and where the photogenerating layer contains at least one...
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...
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,...
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...
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...
7794905 Photoreceptor device having a self-assembled patterned binder layer  
A photoreceptor device having at least one layer that is a self-assembled patterned binder layer, which may include at least one functional material.
7754402 Electrophotographic photoconductive member and image forming apparatus  
The present invention provides an electrophotographic photoconductive member comprising a substrate, and a photoconductive layer containing a hole transferring material, a charge generating...
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...
7662528 Charge generating composition  
A charge generating composition including at least one charge generating material, at least one polymer binder, and at least one styrene-containing copolymer is disclosed.
7648811 Branched polyarylene ethers and processes for the preparation thereof  
Branched polyarylene ether polymers comprising a plurality of branch points, each branch point being of the formula wherein each Ar is an aryl moiety or an alkylaryl moiety, provided that when Ar...
7645547 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus  
An electrophotographic photosensitive member is provided which has a photosensitive layer formed on a support. The electrophotographic photosensitive member has a surface layer containing a...
7629095 Electrophotographic photoreceptor  
An electrophotographic imaging member includes a substrate, a charge generating layer, and a charge transport layer, where the charge generating layer includes a photogenerating material and a...
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,...
7560207 Organic photoreceptor and electrophotographic image forming apparatus including the photoreceptor  
An organic photoreceptor and an electrophotographic image forming apparatus including the organic photoreceptor are provided. The organic photoreceptor has the same advantage as a conventional...
7556902 Aromatic polyester resin, and electrophotographic photoconductor and image forming apparatus using thereof  
The object of the invention is to provide a novel aromatic polyester resin useful as a binder resin or charge transporting polymer for an organic photoconductor and an electrophotographic...
7550240 Newtonian, ultrasonic-insensitive charge generating layer dispersion composition and a method for producing the composition  
This invention relates to electrophotographic elements containing a layer formed from coating compositions containing a mixture of polymeric binders, including a polyvinyl butyral and a polyester...
7507512 Particle-in-binder X-ray sensitive coating using polyimide binder  
An X-ray sensitive coating (22) for a flat panel direct conversion X-ray detector for medical or industrial imaging. A composite particle-in-binder (PIB) material (22) may contain X-ray...
7507509 Electrophotographic photoreceptor, and image forming method, image forming apparatus and process cartridge using the electrophotographic photoreceptor  
An electrophotographic photoreceptor, including a crosslinked material including: units obtained from a radical polymerizing monomer A having three or more radical polymerizing groups;a compound B...
7473507 Electrophotographic photoreceptor with polyester resin in photosensitive layer  
An electrophotographic photoreceptor, which contains a polyester resin having a repeating structure comprising a bivalent phenol residue represented by the following formula (1) and an aromatic...
7468230 Wet-developing electrophotographic photoconductor and wet-developing image  
It is an object of the present invention to provide a wet-developing electrophotographic photoconductor which can be manufactured stably by making use of particular physical property indexes of an...
7468231 Imaging members  
An imaging member comprising a supporting substrate; a single layer photoreceptor for both charge generation and charge transport disposed on the supporting substrate, the single layer...
7462431 Photoreceptors  
Photogenerating layers of photoreceptors are provided utilizing a photogenerating component/resin dispersion formed in a low boiling point solvent.
7452640 Electrophotographic photoconductor for liquid development, image forming apparatus having the same, and image forming method  
An object of the present invention is to provide an electrophotographic photoconductor for liquid development, having high resistance to a carrier solvent for use in a liquid developing method and...
7449271 Electrophotographic photoconductor and methods therefor  
An electrophotographic photoconductor and method that seldom generate cracks even while recycling a photoconductor drum and peripheral members or in a liquid developing process, and thereby produce...
7432028 Polymeric charge transport compositions  
This invention relates to a novel organophotoreceptor that includes: (a) a charge transport composition comprising molecules having the formula where n is an average of a distribution of integers...
7427460 Hydrazone-based charge transport materials having an ethylenically unsaturated group  
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
7416825 Single layer type electrophotographic photoconductor and image forming device  
The present invention provides a single layer type electrophotographic photoconductor which exhibits the small number of generated black spots in a formed image and exhibits the excellent...
7384718 Charge generating composition and imaging member  
A composition that finds particular utility in forming a charge generating layer of an imaging member includes at least one charge generating material, at least one polymer binder and at least one...
7348112 Polymeric charge transport materials having repeating units comprising an aromatic group and a —S— linkage  
Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
7348113 Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unit  
A polycarbonate resin has a constitutional unit expressed by the following general formula (I): A1 represents an alkyl group which is substitutional or nonsubstitutional, and an aryl group which is...
7323232 Resin composition for spacer, spacer, and liquid crystal display device  
To provide a resin composition for spacer useful for the formation of a pixel-patterned spacer on a substrate in a liquid crystal display device, a spacer using the composition, and a liquid...
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...
7309552 Electrophotographic photoconductor, electrophotography, electrophotographic apparatus, process cartridge for electrophotographic apparatus and azo compound  
To provide a highly sensitive and highly durable electrophotographic photoconductor, electrophotography, photographic apparatus and process cartridge for the electrophotographic apparatus which is...
7291433 Poly(hydrazone)-based charge transport materials  
An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a...
7270927 Non-halogenated polymeric binder  
A non-halogenated binder material, such as for an electrophotographic imaging member binder, includes a copolymer of vinyl acetate and vinyl acid.
7267917 Photoreceptor charge transport layer composition  
A charge transport layer composition for a photoreceptor includes at least a binder, at least one arylamine charge transport material, e.g.,...
7244535 Electrophotographic photoreceptor  
An electrophotographic photoreceptor including an electroconductive substrate and a photosensitive layer formed thereon, the photosensitive layer containing a polyester resin which is a...
7229732 Imaging members with crosslinked polycarbonate in charge transport layer  
A composition comprised of a charge transport compound and a crosslinked polymer composition generated from the curing of a solution of a hydroxyl pendant polycarbonate, a hydroxylated charge...
7217483 Electrophotographic photoreceptor, drum cartridge employing the electrophotographic photoreceptor, and image-forming apparatus  
The present invention provides an electrophotographic photoreceptor which has high light resistance, has high durability in exposure to oxidizing gases such as ozone and NOx, is excellent in...
7186490 Photosensitive material, electrophotographic photoreceptor using the material, and electrophotographic image forming method and apparatus using the photoreceptor  
A titanyl phthalocyanine crystal having an X-ray diffraction spectrum having a plurality of diffraction peaks in which a maximum diffraction peak is observed at a Bragg (2 θ) angle of ...
7175955 Electrophotographic photoreceptor, electrophotographic process cartridge and image forming apparatus  
An electrophotographic photoreceptor comprising a conductive substrate, and at least one layer, which contains a polymeric compound having a repeating unit selected from repeating units represented...
7166400 Organophotoreceptor with a hydrazone polymer charge transport material  
An organophotoreceptor comprises an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having a) a charge transport...