Patent application number | Description | Published |
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 |
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 |
20080280220 | Electrophotographic imaging member and method of making same - Disclosed herein is an electrophotographic imaging member comprising a substrate, and a charge generating layer containing a phthalocyanine pigment, a binder, and a solvent. The charge generating layer has a pigment particle separation distance of 28 nm or less after evaporation of the solvent. A coating system, a method of making an electrophotographic imaging member, and a method of printing also are disclosed. | 11-13-2008 |
20080311497 | HOLE BLOCKING LAYER CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a substrate; an undercoat layer thereover wherein the undercoat layer comprises a metal oxide, an electron donor electron acceptor charge transfer complex; a photogenerating layer; and at least one charge transport layer. | 12-18-2008 |
20090162764 | NITROGEN HETEROCYCLICS CONTAINING 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 a nitrogen heterocyclic component such as a triazine. | 06-25-2009 |
20090162769 | PHOSPHINE OXIDE CONTAINING 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 phosphine oxide. | 06-25-2009 |
20090246665 | METAL OXIDE OVERCOATED PHOTOCONDUCTORS - A photoconductor containing a photogenerating layer, and at least one charge transport layer, and a top polymeric overcoat layer in contact with, and contiguous to the charge transport layer, and which overcoat layer includes an indium tin oxide. | 10-01-2009 |
20100015540 | BINDERLESS OVERCOAT LAYER - Embodiments pertain to a novel imaging member, namely, an imaging member or photoreceptor comprising a binderless overcoat layer which exhibits substantially improved electrical performance, such as low residual potential and good electrical cyclic stability. The overcoat layer of the present embodiments is formed from a formulation comprising a small transport molecule, a crosslinking agent, an acid catalyst and a solvent. | 01-21-2010 |
20100129744 | 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 photogenerating component, and a mixture of an ester thiol and a poly(vinyl halide) copolymer. | 05-27-2010 |
20100221651 | EPOXY CARBOXYL RESIN MIXTURE HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide, and a mixture of an epoxy resin and a carboxyl resin; a photogenerating layer; and at least one charge transport layer. | 09-02-2010 |
20100330476 | POLYFLUORINATED CORE SHELL PHOTOCONDUCTORS - A photoconductor that includes a photogenerating layer and a charge transport layer containing a charge transport component, a fluorinated polymer, and a core shell component, and wherein the core is comprised of a metal oxide and the shell is comprised of silica. | 12-30-2010 |
20100330477 | CORE SHELL PHOTOCONDUCTORS - A photoconductor that includes a photogenerating layer, and a charge transport layer containing a charge transport component, and a core shell component, and wherein the core is comprised of a metal oxide and the shell is comprised of silica. | 12-30-2010 |
20110027705 | EPOXYSILANE HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover, wherein the undercoat layer contains an aminosilane and an epoxysilane, a photogenerating layer, and at least one charge transport layer. | 02-03-2011 |
20110027706 | MELAMINE POLYMER HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate, an optional ground plane layer, an undercoat layer thereover wherein the undercoat layer contains an aminosilane and a melamine polymer, a photogenerating layer, and at least one charge transport layer. | 02-03-2011 |
20110053066 | POSS MELAMINE OVERCOATED PHOTOCONDUCTORS - A photoconductor containing an optional supporting substrate, a photogenerating layer, a charge transport layer or layers, and an overcoating layer containing a crosslinked mixture of a POSS component, a melamine polymer, and a charge transport like a hole transport compound. | 03-03-2011 |
20110076604 | 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 charge transport efficiency and therefore better photoelectrical properties. In addition, the polyesters can cross-link with a variety of resins and thus provide good adhesion as well. | 03-31-2011 |
20110269062 | PHOSPHATE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, an undercoat layer thereover wherein the undercoat layer contains a metal oxide, a phenolic resin, and a phosphate; a photogenerating layer; and at least one charge transport layer. | 11-03-2011 |
20110294054 | POLYALKYLENE GLYCOL BENZOATE POLYTETRAFLUOROETHYLENE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a polyalkylene glycol benzoate and a fluorinated polymer. | 12-01-2011 |
20120063818 | Electrophotographic Imaging Member and Method of Making Same - Disclosed herein is an electrophotographic imaging member comprising a substrate, and a charge generating layer containing a phthalocyanine pigment, a binder, and a solvent. The charge generating layer has a pigment particle separation distance of 28 nm or less after evaporation of the solvent. A coating system, a method of making an electrophotographic imaging member, and a method of printing also are disclosed. | 03-15-2012 |
20120141930 | Low Torque Overcoat for Imaging Device - An overcoat containing a copolymer of a first propylene monomer and a second hydrophilic monomer provides superior wear resistance and low torque to a photoreceptor. | 06-07-2012 |
20120189949 | PHOTOCONDUCTOR OVERCOAT LAYER - A photoconductor containing a photogenerating layer, and at least one charge transport layer, and an overcoat layer in contact with, and contiguous to the charge transport layer. The overcoat layer is comprised polyethylene-block-polyethylene glycol copolymer and a charge transport component. | 07-26-2012 |
20120196216 | PHOTOCONDUCTOR UNDERCOAT LAYER - A photoconductor comprising a substrate, an undercoat layer, a photogenerating layer and a charge transport layer is described. The undercoat layer is disposed on the substrate and comprises a metal oxide, and a mixture of a phenolic resin and a cyclohexanecarboxylate. | 08-02-2012 |
20130330665 | TETRAARYL POLYCARBONATE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a tetraaryl polycarbonate. | 12-12-2013 |