| Patent application number | Description | Published |
|---|
| 20080220350 | Hole blocking layer containing photoconductors - A photoconductor containing a substrate; an undercoat layer thereover wherein the undercoat layer includes an electroconducting component dispersed in a rapid curing polymer matrix; a photogenerating layer, and at least one charge transport layer. | 09-11-2008 |
| 20080233501 | Photoconductors containing fluorinated components - A photoconductor containing a fluoroalkyl ester layer, a supporting substrate, a photogenerating layer, and at least one charge transport layer. | 09-25-2008 |
| 20080233503 | Photoconductor fluorinated charge transport layers - A photoconductor containing a supporting substrate, a photogenerating layer, and at least one charge transport layer which contains a fluoroalkyl ester. | 09-25-2008 |
| 20080241720 | 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 substrate on the reverse side thereof, and which first layer includes a polymer and needle shaped particles with an aspect ratio of from 2 to about 200. | 10-02-2008 |
| 20080268358 | 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 and a chelating agent, where the titanyl phthalocyanine is prepared by dissolving a Type I titanyl phthalocyanine in a solution comprising a trihaloacetic acid and an alkylene halide; adding the resulting mixture of the dissolved Type I titanyl phthalocyanine to a solution comprising an alcohol and an alkylene halide thereby precipitating a Type Y titanyl phthalocyanine; and treating the Type Y titanyl phthalocyanine with a monohalobenzene to form Type V titanyl phthalocyanine. | 10-30-2008 |
| 20080268359 | 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 a tetrafluorodihydroxyanthraquinone. | 10-30-2008 |
| 20080268360 | 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 oxide and a chelating agent, where the phthalocyanine is, for example, prepared by hydrolyzing a gallium halide phthalocyanine. | 10-30-2008 |
| 20080274418 | 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. | 11-06-2008 |
| 20080274419 | Photoconductors - A photoconductor containing 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 photogenerating pigment or pigments, and a bis(pyridyl)alkylene. | 11-06-2008 |
| 20080280223 | Process for preparing organic photosensitive pigment - Processes for making photosensitive organic pigments for use in imaging members, specifically processes for making photosensitive phthalocyanine pigments having a specific nanocrystal form. Embodiments include a copper phthalocyanine nanocrystal with good charge generation for use in the formulation of a charge generating layer and narrow particle size distribution. | 11-13-2008 |
| 20080286669 | 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 photogenerating layer contains a different phthalocyanine pigment than the first photogenerating layer phthalocyanine. | 11-20-2008 |
| 20080292982 | Photoconductors containing fluorogallium phthalocyanines - A photoconductor comprising an optional supporting substrate, a fluorogallium phthalocyanine containing photogenerating layer, and at least one charge transport layer. | 11-27-2008 |
| 20080305414 | Single layered photoconductors containing needle shaped particles - A photoconductor that, for example, includes a supporting substrate, and a single layer thereover comprised of at least one photogenerating pigment, at least one charge transport component, needle shaped particles with, for example, an aspect ratio of from 2 to about 200, and an optional electron transport compound. | 12-11-2008 |
| 20080305415 | 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 transport layer, and which overcoating is comprised of a polymer, an optional overcoating charge transport component, and needle shaped particles with an aspect ratio of from 2 to about 200. | 12-11-2008 |
| 20080305416 | Photoconductors containing fillers in the charge transport - 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 needle shaped particles with an aspect ratio of, for example, from 2 to about 200. | 12-11-2008 |
| 20080311498 | PHOTORECEPTOR LAYER HAVING RHODAMINE ADDITIVE - 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 a photoreceptor that incorporates a rhodamine compound that improves image quality. | 12-18-2008 |
| 20090052942 | 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, wherein the crosslinking is achieved by incorporating a small amount of compatible thermalsetting resins into the layer. Incorporation of these resins have been shown to increase charge transport life. | 02-26-2009 |
| 20090053635 | 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 operating life improvement is achieved by incorporating a small amount of compatible thermalsetting resin and polyhedral oligomeric silsesquioxane into the layer. Incorporation of these resins have been shown to increase charge transport life. | 02-26-2009 |
| 20090053636 | 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, wherein the crosslinking is achieved by incorporating a small amount of compatible thermalsetting resins into the layer. Incorporation of these resins, using a fast curing system, have been shown to increase charge transport life while providing improved manufacture of a photoreceptor in which curing is faster and possible at a lower temperature. | 02-26-2009 |
| 20090053637 | 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, wherein the crosslinking is achieved by incorporating a small amount of compatible thermalsetting resins into the layer. Incorporation of these resins have been shown to increase charge transport life. | 02-26-2009 |
| 20090061337 | PHOTOCONDUCTORS - 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 where the photogenerating layer contains a triazine. | 03-05-2009 |
| 20090061340 | HYDROXY BENZOPHENONE CONTAINING PHOTOCONDUCTORS - A photoconductor containing 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 photogenerating pigment or pigments, and a hydroxyalkoxy benzophenone. | 03-05-2009 |
| 20090092914 | PHOSPHONIUM CONTAINING PHOTOGENERATING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a phosphonium salt containing photogenerating layer, and at least one charge transport layer comprised of at least one charge transport component. | 04-09-2009 |
| 20090092915 | PHOSPHONIUM CONTAINING CHARGE TRANSPORT 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 at least one charge transport layer contains at least one phosphonium salt. | 04-09-2009 |
| 20090162094 | Thick Electrophotographic Imaging Member Undercoat Layers - Binders containing metal oxide nanoparticles and a co-resin of acrylic polyol resin and blocked polyisocyanate resin, and electrophotographic imaging member undercoat layer containing the binders. | 06-25-2009 |
