Class / Patent application number | Description | Number of patent applications / Date published |
430580500 | Nitrogen hetero ring compound | 35 |
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 |
20080280221 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the same - An electrophotographic photoreceptor including a conductive substrate; and a photosensitive layer located overlying the conductive substrate, including a charge generation material, an electron transport material having a specific formula, and a hole transport material having a specific formula. | 11-13-2008 |
20090004583 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND FILM FORMING COATING SOLUTION - According to the invention, there is provided an electrophotographic photoreceptor comprising a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product composed of a guanamine compound and at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH | 01-01-2009 |
20090047588 | PHOTOSENSITIVE MEMBER HAVING AN OVERCOAT - An imaging member including a substrate; a charge generation layer; a charge transport layer containing a mixture including a polymer and charge transport components, wherein the mixture has a glass transition temperature of less than about 70° C.; and an overcoat having a crosslinked polymer network including a resin, charge transport molecules, crosslinking component, an acid catalyst and an optional low surface component, and wherein the resin is a resin selected from the group consisting of polyester and polyol resins, and further wherein the resin has crosslinking sites selected from the group consisting of hydroxyl and carboxy groups. | 02-19-2009 |
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 |
20090061335 | 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 specific photoreceptor material package comprising an undercoat layer, a charge generation layer having a specific pigment blend, a long life charge transport layer, and an optional overcoat layer. | 03-05-2009 |
20090087762 | PHOTOCONDUCTORS CONTAINING TRIMELLITIMIDE ESTERS - The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains trimellitimide esters additives. | 04-02-2009 |
20090087763 | PHOTOCONDUCTORS CONTAINING N-ARYLPHTHALIMIDES - The present invention is an electrophotographic photoconductor having a photosensitive layer on a conductive substrate. The photosensitive layer contains N-arylphthalimides additives. | 04-02-2009 |
20090092908 | CHARGE TRAPPING RELEASER 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 charge trapping releaser. | 04-09-2009 |
20090092909 | CHARGE TRAPPING RELEASER 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 where the photogenerating layer contains at least one charge trapping releaser. | 04-09-2009 |
20090092910 | SALT ADDITIVE CONTAINING 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 wherein at least one of the photogenerating layer and the charge transport layer contains at least one of a pyridimium salt and a tetrazolium salt. | 04-09-2009 |
20090098474 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR CONTAINING NAPHTHALENETETRACARBOXYLIC ACID DIIMIDE DERIVATIVES AS ELECTRON TRANSPORT MATERIALS IN A CHARGE TRANSPORTING LAYER AND ELECTROPHOTOGRAPHIC IMAGING APPARATUS INCLUDING THE SAME - A laminated type electrophotographic photoreceptor including an electrically conductive substrate and a charge generating layer and a charge transporting layer disposed on the electrically conductive substrate, wherein the charge transporting layer includes a naphthalenetetracarboxylic acid diimide derivative represented by Formula 1 below, and an electrophotographic imaging apparatus including the electrophotographic photoreceptor | 04-16-2009 |
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 |
20090246657 | OVERCOAT CONTAINING TITANOCENE PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, a charge transport layer, and an overcoat layer that contains a titanocene. | 10-01-2009 |
20090274965 | METAL MERCAPTOIMIDAZOLES CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer, and where the at least one charge transport layer and the photogenerating layer contain a metal mercaptoimidazole. | 11-05-2009 |
20090274966 | PHENAZINE 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 at least one of the photogenerating layer and charge transport layer contains a phenazine. | 11-05-2009 |
20090274967 | QUINOXALINE 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 at least one of the photogenerating layer and charge transport layer contains a quinoxaline, including derivatives thereof. | 11-05-2009 |
20090274968 | PYRAZINE 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 charge transport layer contains a pyrazine. | 11-05-2009 |
20090274969 | PHENOTHIAZINE 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 phenothiazine. | 11-05-2009 |
20100003610 | Electrophotographic Roller With Resistance to Nip Banding - An endless electrophotographic member, such as a developer roller, which indicates an improved resistance to nip banding. The improvement to nip banding may be provided by the use of an organic salt within a roller surface region. The roller may provide, at a nip location, a resistive surface layer having an electrical resistance that avoids the development of nip banding and relatively dark regions on printed media. | 01-07-2010 |
20100112471 | Novel Highly Conductive Organic Charge Carrier Transport Material - An organic, semiconducting material, in particular, a material which can be used as a semiconductor material in organic electronics. A component of the material thereby comprises the oligophenylene from heterocyclic parent compounds with the following structure: | 05-06-2010 |
20100221647 | PYRROLE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein at least one of the charge transport layer and the photogenerating layer contains a pyrrole. | 09-02-2010 |
20100221648 | ZINC THIONE PHOTOCONDUCTORS - A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a zinc thione. | 09-02-2010 |
20110183245 | POLYAMIDEIMIDE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes a supporting substrate, an optional ground plane layer, an optional hole blocking layer, a photogenerating layer, and at least one charge transport layer, and where the charge transport layer contains a polyamideimide. | 07-28-2011 |
20130122410 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE FOR IMAGE FORMING APPARATUS USING THE ELCTROPHOTOGRAPHIC PHOTOCONDUCTOR - An electrophotographic photoconductor including a conductive support, a charge generating layer, a hole transporting layer, and a hole transporting-protective layer, these layers being laminated in this order on the conductive support, wherein the hole transporting-protective layer contains a three-dimensionally crosslinked product which is obtained through chain polymerization of at least a radical polymerizable hole-transporting compound by irradiating the radical polymerizable hole-transporting compound with an active energy beam, and wherein the hole transporting-protective layer contains an oxazole compound represented by General Formula (1) or (2) below: | 05-16-2013 |
20140127616 | PHOTOCONDUCTORS - A photoconductor containing an optional anticurl layer, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, a charge transport layer, and an overcoat layer mixture of a charge transport compound, a melamine resin, an optional acid catalyst, and a fluoro component. | 05-08-2014 |
20150118606 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - An electrophotographic photosensitive member includes a photosensitive layer containing a naphthalenediimide derivative represented by the following general formula (1). In the general formula (1), R | 04-30-2015 |
20150118607 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - An electrophotographic photosensitive member includes a photosensitive layer containing a naphthalenediimide derivative represented by the following formula (1) or (2). In the formula (1) or (2), R | 04-30-2015 |
20150309426 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - A photosensitive layer includes a gallium phthalocyanine crystal and 0.2% by mass or more and 20% by mass or less of an arene compound based on the gallium phthalocyanine crystal, and the arene compound has a halogen atom or a halogen-substituted alkyl group, and a sulfonic acid group or a sulfonic acid salt group, as a substituent. | 10-29-2015 |
20150338754 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transport layer located on the charge generating layer. The charge transport layer contains a pigment that is absorptive with respect to a wavelength of exposed light. The pigment is a metal phthalocyanine pigment represented by General Formula (I) or a metal-free phthalocyanine pigment represented by General Formula (II), where X represents a sulfur atom or an oxygen atom. R | 11-26-2015 |
430580550 | Pyrazole containing (e.g., including hydrogenated pyrazole, etc.) | 4 |
20090136860 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR CONTAINING BISAZO-BASED COMPOUND AS A CHARGE GENERATING MATERIAL IN A CHARGE TRANSPORTING LAYER AND ELECTROPHOTOGRAPHIC IMAGING APPARATUS EMPLOYING THE SAME - A laminate type electrophotographic photoreceptor includes an electrically conductive substrate, and a photosensitive layer formed on the electrically conductive substrate, the photosensitive layer includes a charge generating layer and a charge transporting layer, wherein the charge transporting layer contains a bisazo-based compound represented by the following Formula 1 as a charge generating material: | 05-28-2009 |
20090246664 | OXADIAZOLE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and a charge transport layer, and wherein at least one of the charge transport layer and the photogenerating layer contains an oxadiazole. | 10-01-2009 |
20090274971 | THIOPHTHALIMIDES CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a thiophthalimide containing photogenerating layer, and at least one charge transport layer. | 11-05-2009 |
20110053068 | FLEXIBLE IMAGING MEMBER BELTS - Embodiments pertain to a flexible imaging member used in electrostatography and processes for making and using the imaging member. More particularly, the embodiments pertain to a structurally simplified flexible electrophotographic imaging member that has reasonable flatness and exhibits good performance without the need of an anticurl back coating layer. | 03-03-2011 |
430580600 | Carbazole containing or derivative | 1 |
20090274970 | CARBAZOLE 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 charge transport layer contains a carbazole. | 11-05-2009 |