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| Number | Title | Issue Date |
| 8084173 | 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 methods of preparing thereof. The improved imaging member has layers c... | 12/27/2011 |
| 8057975 | Electrophotographic photoreceptor and image forming apparatus having same An electrophotographic photoreceptor includes a cylindrical body and a film forming layer formed on an outer surface of the cylindrical body, having a photosensitive layer. The electrophotographic photoreceptor is divided into a first region where an electrostatic l... | 11/15/2011 |
| 7897315 | Base tube for electrophotographic photoconductive member, electrophotographic photoconductive member using the same, method for producing the same A base tube for an electrophotographic photoconductive member, is provided with a cylindrical body on which a photoconductive layer is formed; and a first slanting portion formed on a peripheral surface of an end portion of the cylindrical body, and slanting inward ... | 03/01/2011 |
| 7855040 | Method for preparing photoreceptor, photoreceptor prepared by the method, and image forming method and apparatus and process cartridge using the photoreceptor A method for preparing a photoreceptor including forming a photosensitive layer overlying an electroconductive substrate; coating a liquid including a radically polymerizable compound to form a protective layer; irradiating the protective layer with light to crossli... | 12/21/2010 |
| 7829252 | Imaging member An imaging member having an enhanced anti-curl back coating is disclosed. The anti-curl back coating comprises a liquid oligomer. Additionally, a slip agent can also be included. The resulting anti-curl back coating contains little to no residual solvent, shows impr... | 11/09/2010 |
| 7759034 | Electrophotographic photosensitive member, method of producing the same and image forming apparatus The present invention relates to an electrophotographic photosensitive member and an image forming apparatus provided with the electrophotographic photosensitive member. The electrophotographic photosensitive member includes a cylindrical body and a photosensitive l... | 07/20/2010 |
| 7727692 | Electrophotographic photoreceptor, image forming apparatus, and process cartridge An electrophotographic photoreceptor comprises: an electroconductive support; and a photosensitive layer on the electroconductive support, wherein the photosensitive layer comprises a functional layer, the functional layer comprising: a compound having a triple bond... | 06/01/2010 |
| 7618759 | Electrophotographic photosensitive member, and image forming apparatus using same The present invention relates to an electrophotographic photosensitive member including a cylindrical body and a photosensitive layer. The cylindrical body has provided with an outer circumference, end surfaces and chamfers formed therebetween. The photosensitive la... | 11/17/2009 |
| 7572562 | Imaging member having antistatic anticurl back coating 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 particularly, the embodiments pertain to the incorporation of metallic compounds... | 08/11/2009 |
| 7560210 | Imaging member having antistatic anticurl back coating 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 particularly, the embodiments pertain to the incorporation of thiophosphates in ... | 07/14/2009 |
| 7527906 | Imaging member having adjustable friction anticurl back coating The presently disclosed embodiments are directed to anticurl back coatings useful in electrostatography. More particularly, the embodiments pertain to an electrophotographic imaging member with an improved anticurl back coating formulated by a polymer blend comprisi... | 05/05/2009 |
| 7504187 | Mechanically robust imaging member overcoat 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 particularly, the embodiments pertain to an improved electrophotographic imaging... | 03/17/2009 |
| 7473506 | Method of producing an electrophotographic photoconductor and an electrophotographic photoconductor produced by this method A method of producing an electrophotographic photoconductor, which prevents filler material in a coating liquid from aggregating onto etching pits formed on a surface of an aluminum raw drum. A photoconductor produced by the method of invention scarcely generates pr... | 01/06/2009 |
| 7462434 | Imaging member with low surface energy polymer in anti-curl back coating layer An imaging member having an anti-curl back coating is disclosed. The anti-curl back coating comprises a low surface energy polymer having siloxane segments in its backbone and a film forming polymer. The anti-curl back coating has low surface energy and improved sur... | 12/09/2008 |
| 7455941 | Imaging member with multilayer anti-curl back coating An imaging member having an anti-curl back coating comprising an inner layer and an outer layer is disclosed. The outer layer comprises a low surface energy polymer having siloxane segments in its backbone and the inner layer comprises a film forming polymer. The an... | 11/25/2008 |
| 7435518 | Method of treating an electrophotographic-imaging member with a rare earth material This invention relates to a method for improving chemical stability in a metal or metallized substrate, such as an aluminum substrate, of an electrophotographic-imaging member by treating the substrate with a composition containing a rare-earth metal. ... | 10/14/2008 |
| 7429440 | Electrophotographic photoreceptor, image forming apparatus and image forming method An electrophotographic photoreceptor includes a surface layer having a contact angle of 90 to 130° on a cylindrical conductive substrate having a cylindricity of 5 to 40 μm. ... | 09/30/2008 |
| 7422831 | Anticurl back coating layer electrophotographic imaging members The presently disclosed embodiments are directed to anticurl back coatings useful in electrophotography. More particularly, the embodiments pertain to an electrophotographic imaging member with an improved anticurl back coating including a low surface energy polymer... | 09/09/2008 |
| 7361439 | Lathe surface for coating streak suppression A photoreceptor aluminum alloy substrate is prepared with specific roughness characteristics and an oxide layer for use in multi-layered electrophotographic photoreceptor. A photoreceptor substrate, or drum, is placed in a lathe and turned using a polycrystalline to... | 04/22/2008 |
| 7361440 | Anticurl backing layer for electrostatographic imaging members The presently disclosed embodiments are directed to anticurl backing layers useful in electrostatography. More particularly, the embodiments pertain to an electrostatographic imaging member with an improved anticurl backing layer including a low surface energy polym... | 04/22/2008 |
| 7358018 | Substrate for electrophotographic photoreceptor, process for producing the substrate, and electrophotographic photoreceptor employing the substrate An electrophotographic photoreceptor substrate which can be easily produced with high productivity and prevents the occurrence of image defects, and which has fine grooves formed in the surface thereof and is characterized in that the grooves are curved and disconti... | 04/15/2008 |
| 7354686 | Electrophotographic photoconductor and process for manufacturing the same, and image forming apparatus and process cartridge containing the same An electrophotographic photoconductor includes an electroconductive substrate, a charge generation layer, and a charge transport layer formed by using a halogen-free solvent, arranged in this order, in which the charge generation layer contains a charge generation m... | 04/08/2008 |
| 7335452 | Substrate with plywood suppression The present disclosure provides photoreceptors and methods for fabricating photoreceptors. Photoreceptor device surfaces and fabrication methods have been designed to suppress a “plywood effect.” One method includes providing a substrate, rotating the substrate,... | 02/26/2008 |
| 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., N,N′-diphenyl-N,N′-bis(3-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine, and at least one polymer containing carboxylic a... | 09/11/2007 |
| 7261986 | Photoconductive member for an electrophotographic machine and method of forming same A method for producing a substrate for a photoconductive member includes etching the substrate with a self-limiting acid that removes the metal oxides from but does not affect the surface roughness of the substrate inner and outer surface. ... | 08/28/2007 |
| 7247228 | Method for preparing a carrier for a photoconductor for the formation of an electrophotographic recording element and a recording element formed accordingly A carrier or substrate for a photoconductor to be used for the formation of an electrophotographic recording element, particularly an imaging drum for an electrophotographic printing press, wherein the carrier is made of a metal or a metal alloy, preferably of alumi... | 07/24/2007 |
| 7211358 | Image cylinder sleeve for an electrophotographic machine and method for producing same A photoconductive member for use in an electrophotographic machine includes a substrate having an inside and outside surface. An inner smoothing layer is disposed over the inside surface of the substrate thereby improving the compatibility of the photoconductive mem... | 05/01/2007 |
| 7208211 | Electrophotographic belt member, process for producing electrophotographic belt member, and electrophotographic apparatus In an electrophotographic belt member comprising a resin composition, the resin composition contains from 30% by weight to 90% by weight of a thermoplastic resin, from 2% by weight to 30% by weight of a compound selected from the group consisting of a polyether-este... | 04/24/2007 |
| 7202005 | Image forming method and an image forming apparatus Disclosed is an image forming method comprising: developing a latent image formed on a cylindrical electrophotographic photoreceptor having a cylindricity of 5 to 40 μm, with a developer comprising a toner sufficing at least one of conditions (1) to (5): | 04/10/2007 |
| 7166399 | Photosensitive member having anti-curl backing layer with lignin sulfonic acid doped polyaniline An electrostatographic imaging member having a charge-retentive surface and a substrate, an imaging layer to receive an electrostatic latent image thereon, wherein the imaging layer is positioned on one side of the substrate, and an anti-curl backing layer positione... | 01/23/2007 |
| 7166397 | Imaging members An electrophotographic imaging member having a charge generating layer and a charge transport layer overlayed thereon is provided. The charge transport layer has a lower surface and an upper surface, wherein the lower surface is in contiguous contact with the charge... | 01/23/2007 |
| 7153620 | Transparent invisible conductive grid The present invention relates to an antistatic article comprising a substrate or support having thereon at least one antistatic layer, wherein the antistatic layer comprises a conductive material having areas of patterned coverage. The present invention also relates... | 12/26/2006 |
| 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 comprising a film forming binder and a lignin sulfonic acid doped pol... | 12/19/2006 |
| 7145464 | Data collection device In one aspect of the invention a data collection device is provided for use with a medium said medium being usable when exposed to electromagnetic radiation that is characteristic of such use. The data collection device has a sensor capable of sensing when the mediu... | 12/05/2006 |
| 7108958 | Photosensitive bottom anti-reflective coatings Anti-reflective compositions and methods of using these compositions to form circuits are provided. The compositions comprise a polymer dissolved or dispersed in a solvent system. Preferred polymers include polycarbonates, polysulfonyl esters, polycarbonate sulfones... | 09/19/2006 |
| 7096556 | Recycling method and recycling apparatus of part for image forming apparatus, and recycled part for image forming apparatus A recycling method of a part for an image forming apparatus, the part being used in the image forming apparatus and provided with a thermoplastic resin member at least in a part thereof is provided which includes: recovering the part for the image forming apparatus;... | 08/29/2006 |
| 7097953 | Process for producing electrophotographic photosensitive member, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus In a process for producing an electrophotographic photosensitive member having a support and a photosensitive layer provided thereon, the process comprises a coating step of coating the surface of the support with a coating fluid to form a wet coating; a drying step... | 08/29/2006 |
| 7083885 | Transparent invisible conductive grid The present invention relates to an antistatic article comprising a substrate or support having thereon at least one antistatic layer, wherein the antistatic layer comprises a conductive material having areas of patterned coverage. ... | 08/01/2006 |
| 7078143 | Electrophotographic photoreceptor and method for producing the same The object of the invention is to prevent interference fringes of images and allow precise measurement of the thickness of a layer by the optical interferometry by limiting the surface roughness of a conductive substrate. The surface roughness of the conductive subs... | 07/18/2006 |
| 7071285 | Aromatic polycarbonate resin, electrophotographic photoconductor, process cartridge, and electrophotographic image forming method and apparatus An electrophotographic photoconductor has an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a structural unit of formula (2) and a structural unit with charge transpor... | 07/04/2006 |
