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| Number | Title | Issue Date |
| 8366970 | Method for treating a carbon allotrope A method for treating a carbon allotrope including providing a carbon allotrope selected from the group consisting of carbon black, amorphous carbon, glassy carbon, graphite, graphene, fullerenes, or a mixture thereof; surface treating the carbon allotrope by coupli... | 02/05/2013 |
| 8354474 | Cross-linking compound The presently disclosed embodiments are directed generally to a composition that forms a cross-linked protective outer coating or layer able to withstand high temperatures and which maintains integrity in such conditions. The protective coating may be used in imagin... | 01/15/2013 |
| 8257893 | Polyester-based photoreceptor overcoat layer The presently disclosed embodiments are directed generally to an improved electrostatographic imaging member in which the overcoat layer comprises cross-linkable polyester resins. The overcoat layer not only provides wear resistance, but it also provides higher char... | 09/04/2012 |
| 8249488 | Bias charge roller comprising overcoat layer Disclosed are bias charge rollers having an overcoat layer. The overcoat layer comprises an acrylonitrile-butadiene-styrene (ABS) terpolymer and metal oxide particles optionally doped with a doping agent. The resulting bias charge rollers have reduced streaking and ... | 08/21/2012 |
| 8191992 | Protective coatings for solid inkjet applications An aperture plate coated with a composition including a first monomer, a second monomer, a fluorinated compound, such as fluorosilane, fluoroalkyl amide, fluorinated ether and the like, and a photoinitiator, where the first and second monomer are different. A proces... | 06/05/2012 |
| 8129081 | Photoconductive imaging members Exemplary embodiments provide charge generating layers and electrographic imaging members containing the charge generating layers. In various embodiments, an imaging member can be a multilayered photoconductive imaging member with a charge generating layer including... | 03/06/2012 |
| 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 photogenerating layer contains a thiuram sulfide additive. ... | 02/21/2012 |
| 8086142 | Bias charge roller comprising overcoat layer Disclosed are bias charge rollers having an overcoat layer. The overcoat layer comprises a phenolic resin and a conductive agent. The resulting bias charge rollers have reduced streaking and increased service lifetimes. ... | 12/27/2011 |
| 7989128 | Urea resin containing photogenerating layer photoconductors A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the photogenerating layer contains a urea resin. ... | 08/02/2011 |
| 7947417 | Processes for the preparation of high sensitivity titanium phthalocyanines photogenerating pigments A process for preparing a high sensitivity titanyl phthalocyanine (TiOPc) pigment includes dissolving a Type I TiOPc in a suitable solvent, precipitating an intermediate TiOPc pigment by quenching the solution comprising the dissolved Type I TiOPc in a solvent syste... | 05/24/2011 |
| 7935466 | Benzothiazole containing photogenerating layer 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 where the photogenerating layer contains a benzothiazolesulfenimide additive. ... | 05/03/2011 |
| 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 member having a charge transport layer that is partially crosslinked, wher... | 04/12/2011 |
| 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 member having a charge transport layer that is partially crosslinked, wher... | 04/12/2011 |
| 7862967 | Photoconductors A photoconductor that includes a supporting substrate, a first photogenerating layer, a second photogenerating layer and at least one charge transport layer. The first photogenerating layer contains, for example, a phthalocyanine pigment, and the second photogenerat... | 01/04/2011 |
| 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 (POSS)-containing material and an optional thiophosphate. ... | 12/14/2010 |
| 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 member above, a development component to apply a developer material to... | 11/23/2010 |
| 7838187 | 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 member having a charge transport layer that is dual-dopant, wherein operat... | 11/23/2010 |
| 7799494 | Polyhedral oligomeric silsesquioxane thiophosphate containing photoconductors A photoconductor containing an optional supporting substrate, a photogenerating layer, and a charge transport layer which includes a mixture of a polyhedral oligomeric silsesquioxane (POSS)-containing material and a thiophosphate. ... | 09/21/2010 |
| 7776498 | Photoconductors containing halogenated binders A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer; and wherein the photogenerating layer is comprised of at least one photogenerating pigment and a resin binder that is substantially insoluble in an ... | 08/17/2010 |
| 7767372 | Photoconductor containing fluoroalkyl ester charge transport layers A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer which contains a fluoroalkyl ester. ... | 08/03/2010 |
| 7763405 | Photoconductors containing fluorinated components A photoconductor containing a fluoroalkyl ester layer, a supporting substrate, a photogenerating layer, and at least one charge transport layer. ... | 07/27/2010 |
| 7759031 | Photoconductors containing fluorogallium phthalocyanines A photoconductor comprising an optional supporting substrate, a fluorogallium phthalocyanine containing photogenerating layer, and at least one charge transport layer. ... | 07/20/2010 |
| 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 layer. ... | 06/08/2010 |
| 7727689 | Silanol and perylene in photoconductors A photoconductor containing an optional supporting substrate, a perylene photogenerating layer, and at least one silanol containing charge transport layer. ... | 06/01/2010 |
| 7722999 | Silicone free polyester in undercoat layer of photoconductive member A photoconductor containing a substrate, a layer thereover, which layer contains, for example, a polyol resin, an aminoplast resin, a silicone free polyester, and a metal oxide dispersed therein; and at least one imaging layer formed on the polyol resin containing l... | 05/25/2010 |
| 7718336 | Photoconductors containing photogenerating chelating components A photoconductor containing a supporting substrate, a photogenerating layer; and at least one charge transport layer where the photogenerating layer contains a photogenerating pigment and a chelating additive or agent of, for example, a β-diketone, a ketoester, a h... | 05/18/2010 |
| 7718332 | Titanyl phthalocyanine silanol photoconductors A photoconductor containing an optional supporting substrate; a photogenerating layer comprised of a chelating agent and a titanyl phthalocyanine; and at least one charge transport layer comprised of at least one charge transport component, and wherein a silanol is ... | 05/18/2010 |
| 7700249 | Single layered photoconductors A photoconductor that includes a supporting substrate, and an active layer in contact with the substrate, and which active layer contains a photogenerating pigment of a hydroxygallium phthalocyanine, at least one charge transport component, and a mixture of a metal ... | 04/20/2010 |
| 7700250 | Titanyl phthalocyanine photoconductors A photoconductor containing an optional supporting substrate, a photogenerating layer thereover, and at least one charge transport layer, and wherein the photogenerating layer contains a chelating agent, and a Type V titanyl phthalocyanine prepared, for example, by ... | 04/20/2010 |
| 7678517 | Single layered photoconductors A photoconductor that includes a supporting substrate, and an active layer in contact with the substrate, and which active layer contains a photogenerating pigment of a titanyl phthalocyanine, at least one charge transport component, and a mixture of a metal oxide a... | 03/16/2010 |
| 7670740 | Photoconductors containing fillers A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, at least one charge transport layer comprised of at least one charge transport component, and an overcoating layer in contact with and contiguous to the top charge transpor... | 03/02/2010 |
| 7670733 | Silanol containing photoconductors A photoconductor containing an optional supporting substrate, a photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component, and wherein the photogenerating layer contains a Type V hydroxygallium phthalocyanine... | 03/02/2010 |
| 7670734 | Titanyl phthalocyanine silanol terphenyl photoconductors A photoconductor containing an optional supporting substrate, a photogenerating layer comprised of a chelating agent and a titanyl phthalocyanine; and at least one charge transport layer comprised of at least one charge transport component; and wherein a silanol is ... | 03/02/2010 |
| 7670735 | Phosphoric acid ester containing photoconductors A photoconductor containing a substrate, a layer thereover wherein the layer comprises, for example, a polyol resin, an aminoplast resin, an ester of phosphoric acid adhesion component, and a metal oxide; and at least one imaging layer of, for example, a photogenera... | 03/02/2010 |
| 7670739 | Single layered photoconductors A photoconductor that includes a supporting substrate, and an active layer in contact with the substrate, and which layer contains at least one photogenerating pigment, at least one charge transport component, and a mixture of a metal oxide and a chelating agent of ... | 03/02/2010 |
| 7662527 | Silanol containing photoconductor A photoconductor containing a substrate, an undercoat layer thereover comprising a polymeric resin, a silanol, and a metal oxide; and a photogenerating layer; and at least one charge transport layer. ... | 02/16/2010 |
| 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 |
| 7662526 | Photoconductors A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer of at least one charge transport component, and wherein the charge transport layer contains a charge blocking agent, such as a benzoimidazole. ... | 02/16/2010 |
| 7651827 | Photoreceptor layer having phosphorus-containing lubricant An imaging member containing a substrate, and an outer layer containing a phosphorus-containing lubricant, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer materi... | 01/26/2010 |
| 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 the undercoat layer. The photoreceptor has a high mechanical strength... | 01/12/2010 |
