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| Number | Title | Issue Date |
| 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 environments, with which image defects such as black spots or color spo... | 05/15/2012 |
| 8173337 | Fuser material composition comprising of a polymer matrix with the addition of graphene-containing particles Exemplary embodiments provide material compositions useful for electrophotographic devices and processes. The material composition can include a plurality of graphene-containing particles dispersed or distributed in a polymer matrix. Such material composition can be... | 05/08/2012 |
| 8173338 | Photoconductor system for electrophotographic device An electrophotographic photoconductor system for use in an electrophotographic device and method of using the same. The electrophotoconductor system comprises an electroconductive support, a charge generation layer disposed on the electroconductive support, and a ch... | 05/08/2012 |
| 8173339 | Electrophotographic apparatus, electrophotographic photoconductor drum, developing device and image forming device An electrophotographic apparatus includes a photoconductor, a plurality of a series of bump portions formed on a surface of the photoconductor, the bump portions having slopes with respect to a circumferential direction of the photoconductor, and each of the bump po... | 05/08/2012 |
| 8142967 | Coating dispersion for optically suitable and conductive anti-curl back coating layer The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to an improved electrostatographic ... | 03/27/2012 |
| 7897309 | Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound A bisazo compound represented by Chemical structure 1: wherein, Ar1 and Ar2 independently represent a substituted or non-substituted aryl group, when at least one of Ar1 | 03/01/2011 |
| 7892713 | Photoconductors containing terephthalate esters The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains terephthalate esters additives. ... | 02/22/2011 |
| 7851111 | Imaging belt with nanotube backing layer, and image forming devices including the same An imaging belt comprises a substrate layer, an outer image layer and an inner anti-curl backing layer. The inner anti-curl backing layer, in turn, includes one or more carbon nanotubes disposed therein, together with an exposed backing layer surface. An image formi... | 12/14/2010 |
| 7718331 | Electrophotographic photosensitive member with depressed portions, process cartridge holding the electrophotographic photosensitive member and electrophotographic apparatus with the electrophotographic photosensitive member An electrophotographic photosensitive member is disclosed which is excellent in cleaning performance, has improved durability, and suppresses image defects in various environments. The electrophotographic photosensitive member has a support and a photosensitive laye... | 05/18/2010 |
| 7662525 | Anticurl backside coating (ACBC) photoconductors A photoconductor that contains a first layer, a supporting substrate thereover, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the first layer is in contact with the supporting subst... | 02/16/2010 |
| 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 silicon-containing compound or a fluorine-containing compound. The surface l... | 01/12/2010 |
| 7642024 | Image-forming apparatus and image-forming process An image-forming apparatus comprises: an image carrier; a charging unit; a latent image forming unit; a developing unit that uses a toner maintaining a non-color-developing state when provided with coloring information through exposure to light; a coloring informati... | 01/05/2010 |
| 7642025 | Electrophotographic photoreceptor, method of producing the same, process cartridge, and image-forming apparatus The invention provides an electrophotographic photoreceptor having a cylindrical support, and a charge-generating layer and a charge-transporting layer on or above the cylindrical support, wherein the thickness of the charge-generating layer is increased from the ce... | 01/05/2010 |
| 7585602 | Imaging member having antistatic anticurl back coating containing polyhedral oligomeric silsequioxane silanol 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 silanols in the an... | 09/08/2009 |
| 7556901 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus An electrophotographic photosensitive member has a surface having a plurality of depressed portions, having a major-axis diameter Rpc of 0.1 to 10 μm, a minor-axis diameter Lpc of 0.1 to 10 μm and a deepest-part to opening distance Rdv of 0.1 to 10 μm. Where the ... | 07/07/2009 |
| 7553591 | 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 organic sulfonic a... | 06/30/2009 |
| 7544450 | Polymers of napthalene tetracarboxylic diimide dimers Polymers of naphthalene tetracarboxylic diimide dimmers are provided. The polymers are of the Formula I wherein the A units are selected from and Formula IX | 06/09/2009 |
| 7534534 | Electrophotographic Photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus An electrophotographic photosensitive member hard to cause the problem of chatter and wear-out of the cleaning blade and the problem of a rubbing memory, and both a process cartridge and an electrophotographic apparatus having the photosensitive member are provided.... | 05/19/2009 |
| 7524596 | Electrophotographic photoreceptors having reduced torque and improved mechanical robustness Backing layers, which may be useful for reducing torque in electrophotographic photoreceptors, are provided. The backing layers, which may be anti-curl backing layers, include a polymer matrix having a particulate inorganic lubricant and a particulate fluoropolymer ... | 04/28/2009 |
| 7517623 | 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 polyol esters and/... | 04/14/2009 |
| 7498107 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus An electrophotographic photoreceptor includes: a conductive supporting member; a photosensitive layer that is disposed on the conductive supporting member; and a non-contact IC tag that retains inspection information including a previously measured characteristic pa... | 03/03/2009 |
| 7482103 | 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 an additive of ammonium or phosphonium ... | 01/27/2009 |
| 7473503 | Electrophotographic photoreceptor, image-forming device, process cartridge and image-forming method An electrophotographic photoreceptor comprising: a conductive support; and a photo-sensitive layer on the conductive support, wherein the photo-sensitive layer comprises a functional layer comprising a cured product of a curable resin composition, the curable resin ... | 01/06/2009 |
| 7459249 | Base for photosensitive drum and photosensitive drum A cylindrical base for a photosensitive drum composed of a conductive resin composition containing a resin base material and a conductive material mainly containing carbon black, on which base a solvent-using photosensitive layer is directly formed, is characterized... | 12/02/2008 |
| 7432028 | Polymeric charge transport compositions This invention relates to a novel organophotoreceptor that includes: (a) a charge transport composition comprising molecules having the formula ... | 10/07/2008 |
| 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 |
| 7419750 | 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 esters of phosphor... | 09/02/2008 |
| 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 sensitivity characteristic even when the photoconductor is used for a long tim... | 08/26/2008 |
| 7399563 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same Disclosed is an electrophotographic photoconductor including at least a photoconductive layer on an electroconductive substrate, which comprises at least a cross-linked surface layer formed by curing a tri- or more-functional radical polymerizable monomer without ha... | 07/15/2008 |
| 7374855 | Photoreceptors Methods for texturing the surface of photoreceptors are provided. ... | 05/20/2008 |
| 7371493 | Charge transport materials having a 1,3,6,8-tetraoxo-1,3,6,8-tetrahydrobenzo[][3,8]phenanthroline-2,7-diyl group Improved charge transport material having the formula: Y-Z-X-E where E comprises a functional group selected from the group consisting of a reactive ring group, a vinyl ether group, an acrylamido group, and a methacrylami... | 05/13/2008 |
| 7368210 | Photoreceptor layer having thiophosphate lubricants An imaging member containing a substrate, and an outer layer containing a zinc diethyldithiophosphate, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material t... | 05/06/2008 |
| 7364824 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus An electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus are provided which not only secure mechanical strength sufficiently but also bring a vast improvement in charge transport performance and which can well satisfy el... | 04/29/2008 |
| 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 |
| 7358984 | Image forming apparatus including multibeam exposure unit having surface emitting laser array An image forming apparatus includes: an electrophotographic photoreceptor having a conductive substrate and a photosensitive layer provided on the conductive substrate; a charging unit for charging the electrophotographic photoreceptor; an exposure unit for exposing... | 04/15/2008 |
| 7358014 | Electrophotographic organophotoreceptors with novel charge transport compounds A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula | 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 |
| 7338739 | Crosslinked siloxane composite overcoat for photoreceptors A crosslinked siloxane composite overcoat for electrophotographic photoreceptors, containing at least one siloxane-containing compound, a resin and metal oxide particles; photoreceptors containing the crosslinked siloxane composite overcoat; and image process cartri... | 03/04/2008 |
| 7338619 | Resin member and method of manufacturing the same A fuel cap 10 maintains high sealing even when subjected to external force; is easy to operate; and requires minimal space for accommodation. The cap device comprises a casing body 20 for closing the filler opening FNb in a sealed condition, a cover | 03/04/2008 |
| 7326476 | Fluorescent material, organic electroluminescent element and organic electroluminescent display An organic electroluminescent element having an organic light-emitting layer between an anode and a cathode is provided, wherein the organic light-emitting layer comprises, as an organic light-emitting layer forming material, a fluorescent material comprising either... | 02/05/2008 |
