Patent application number | Description | Published |
20110040107 | [1]BENZOTHIENO[3,2-B][1]BENZOTHIOPHENE COMPOUND AND METHOD FOR PRODUCING THE SAME, AND ORGANIC ELECTRONIC DEVICE USING THE SAME - A [1]benzothieno[3,2-b][1]benzothiophene compound expressed by General Formula (I): General Formula (I) where X and Y are each independently a hydrogen atom; a halogen atom; or a functional group having a straight or branched aliphatic alkyl group optionally having a halogen atom, a functional group having an alicyclic alkyl group optionally having a halogen atom, a functional group having a straight or branched aliphatic alkenyl group optionally having a halogen atom, a functional group having an alicyclic alkenyl group optionally having a halogen atom, a functional group having a carboxyl group, or a functional group having a thiol group, as a partial structure; and X and Y are the same or each independently different, provided that at least one of X and Y has a straight or branched aliphatic alkenyl group, an alicyclic alkenyl group, a carboxyl group or a thiol group, as a partial structure. | 02-17-2011 |
20110286777 | LUBRICANT AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME - A lubricant for use in an image forming apparatus, which contains a lubricant material and at least one of diamine compounds represented by chemical structure 1, 2, and 3, | 11-24-2011 |
20120027463 | IMAGE FORMING APPARATUS - An image forming apparatus including an image bearing member to bear an electrostatic latent image, which includes an outermost layer comprising a cross-linked resin composition; a toner developing mechanism to develop the electrostatic latent image into a toner image with a toner comprising a binder resin; a toner transferring mechanism to transfer the toner image from the image bearing member onto a recording medium; and a fixing liquid applying mechanism to apply a fixing liquid to the recording medium onto which the toner image has been transferred or is to be transferred. The fixing liquid dissolves or swells at least a part of the binder resin to soften the toner. | 02-02-2012 |
20120163860 | IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE USING THE SAME - An image bearing member having an electroconductive substrate, a photosensitive layer overlying the electroconductive layer, and a cross-linked surface layer overlying the photosensitive layer, which contains a cross-linked polymer and a first compound consisting essentially of a nitrogen atom and a phenyl group, biphenyl group, and condensed polycyclic hydrocarbon group, or a second compound consisting essentially of a nitrogen atom and hydrogen atoms, halogen atoms, alkyl groups, alkoxy groups, or aryl groups, substituted or non-substituted alkyl groups, substituted or non-substituted alkoxy groups, substituted or non-substituted aralkyl groups, substituted or non-substituted aryl group, substituted or non-substituted alkylene groups, cyano groups, nitro groups, or —OCO═CH | 06-28-2012 |
20120183313 | IMAGE FORMING APPARATUS - An image forming apparatus having a rotary image bearing member, a charging device to charge the image bearing member, an irradiator to irradiate the image bearing member to form a latent electrostatic image thereon, a developing device to develop the latent electrostatic image with a developing agent containing toner to obtain a visible image, a transfer device to transfer the visible image to a recording medium, a first cleaner that slidably contacts the image bearing member to remove toner remaining thereon, a driving mechanism to drive the image bearing member at different linear speeds, a noise detector provided in the vicinity of the image bearing member to detect noise, and an abnormal noise predictor device to predict whether abnormal noise hear during image formation based on noise detected by the noise detector when the image bearing member is driven not during image formation at a linear speed different from that during image formation. | 07-19-2012 |
20130059242 | PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A photoreceptor including an electroconductive substrate; a photosensitive layer on the electroconductive substrate; and a protection layer on the photosensitive layer, wherein the protection layer includes a radical polymerizable compound having three or more radical polymerizable groups without a charge transportable group, a monofunctional radical polymerizable compound having a specific charge transportable group and a non-radical polymerizable compound having a specific charge transportable group. | 03-07-2013 |
20130243506 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus including at least a photoreceptor; and a cleaning blade formed of a strip-shaped elastic blade to contact an edge line to the surface of the photoreceptor, wherein the photoreceptor includes a surface layer comprising a particulate material, and the edge line of the cleaning blade includes a substrate of the elastic blade; a mixed layer having a thickness not less than 1.0 μm, formed of the substrate and at least one of an acrylic resin and a methacrylic resin, located at the surface of the substrate; and a surface layer having a thickness not less than 0.1 μm, formed of at least one of an acrylic resin and a methacrylic resin, located on the surface of the substrate. | 09-19-2013 |
20130244150 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An electrophotographic photoreceptor, including an electroconductive substrate; a photosensitive layer overlying the electroconductive substrate; and a surface layer overlying the photosensitive layer, wherein the surface layer includes a resin having no charge transportability; and an inorganic particulate material, wherein the inorganic particulate material is a zinc oxide doped with a boron group, and wherein the electrophotographic photoreceptor has a surface specific resistivity (R1) not less than 10 | 09-19-2013 |
20140064810 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus includes an electrophotographic photoreceptor; and a cleaning blade. The electrophotographic photoreceptor includes an outermost layer having a ten-point average roughness Rz of from 0.5 to 2.4 μm and an average interval between concavities and convexities Sm of from 30 to 300 μm, and the cleaning blade includes a reed-shaped elastic blade having a contact point to the electrophotographic photoreceptor. The contact point includes a substrate; a mixed layer overlying the substrate, including a material forming the substrate and at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 1.0 μm; and a surface layer overlying the mixed layer, including at least one of an acrylic resin and a methacrylic resin and having a thickness not less than 0.1 μm. | 03-06-2014 |
20140199620 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An electrophotographic photoconductor, including: an electroconductive substrate; and at least a photoconductive layer and a surface layer in this order over the electroconductive substrate, wherein the surface layer includes a resin having no charge transport properties, and first inorganic fine particles, and wherein the first inorganic fine particles are inorganic fine particles having surfaces modified with at least one of a primary amino group and a secondary amino group, and a volume resistivity of the first inorganic fine particles is 1×10 | 07-17-2014 |
20150071678 | IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE - An image forming apparatus, which contains: an image bearing member; a charging unit; an exposing unit; a developing unit; a transferring unit; and a cleaning unit, wherein the image bearing member contains an electrically conductive support, a photoconductive layer formed on the electrically conductive support, and a surface layer containing a binder resin and particles formed on a surface of the photoconductive layer, or contains the electrically conductive support, and the photoconductive layer formed on the electrically conductive support, wherein the cleaning unit contains a cleaning blade, which contains a cured composition containing a curing agent in a region of the cleaning blade, which is to be in contact with the image bearing member, and wherein the curing agent contains a polycyclic aliphatic hydrocarbon group, and a (meth)acryloyloxy group. | 03-12-2015 |
Patent application number | Description | Published |
20080199217 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE INCORPORATING THE SAME, AND IMAGE FORMING APPARATUS INCORPORATING THE SAME - An object is to provide an electrophotographic photoconductor which prevents an increase in the friction coefficient of the photoconductor surface caused when printing takes place for a long period of time or in large amounts, which has sustainability of the low photoconductor surface friction coefficient, low wear properties and high durability, and which is particularly superior in polymerized toner (or spherical toner) cleaning capability; a process cartridge incorporating the electrophotographic photoconductor; and an image forming apparatus incorporating the electrophotographic photoconductor. There is an electrophotographic photoconductor including: a photoconductor substrate, a photosensitive layer over the photoconductor substrate, and a protective layer over the photoconductor substrate, wherein the protective layer is formed by curing together at least a trifunctional or more radical polymerizable monomer having no charge transporting structure, a fluorine-based UV-curable hard coat agent and a monofunctional radical polymerizable compound having a charge transporting structure, and contains lubricant fine particles. | 08-21-2008 |
20080227008 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE CONTAINING THE SAME AND ELECTROPHOTOGRAPHIC APPARATUS CONTAINING THE SAME - An object of the present invention is to provide an electrophotographic photoconductor having an extremely low increase in friction coefficient and wear, while also having superior cleanability even after long-term or large-volume printing, and to provide an electrophotographic apparatus for forming an image using a polymerization toner without providing a unit for externally supplying a lubricant to a photoconductor. Namely, the present invention provides an electrophotographic photoconductor having a photosensitive layer and a crosslinked resin surface layer over a conductive substrate, wherein the crosslinked resin surface layer at least contains trimethylolpropane triacrylate, a dimethylpolysiloxane having a radically polymerizable functional group, and lubricating fine particles. | 09-18-2008 |
20080304867 | Image bearing member, method of manufacturing the same, image formation method, image forming apparatus and process cartridge - An image bearing member including an electroconductive substrate, a photosensitive layer located overlying the electroconductive substrate and a cross linking surface layer comprising a charge transport curing compound and located overlying the photosensitive layer, wherein the charge transport curing compound includes a material including a structure unit represented by the following Chemical formula A: | 12-11-2008 |
20080311499 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING THE PHOTORECEPTOR - An electrophotographic photoreceptor, including an electroconductive substrate; a photosensitive layer, located overlying the electroconductive substrate; and a crosslinked resin surface layer, located overlying the photo sensitive layer, wherein the crosslinked resin surface layer includes a crosslinked body of trimethylolpropanetriacrylate, isocyanate including a radical polymerizable functional group and a heat or a light-curable charge transport material. | 12-18-2008 |
20090067891 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - The present invention provides an electrophotographic photoconductor including, an uppermost crosslinked surface layer including a cured product of a crosslinked surface layer composition containing a tri- or more functional radical-polymerizable monomer having no charge transportable structure, organosilica sol, an isocyanate group-containing radical-polymerizable monomer, and a curable charge transport material. | 03-12-2009 |
20090148180 | IMAGE BEARING MEMBER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND METHOD OF FORMING IMAGE BEARING MEMBER - An image bearing member including an electroconductive substrate, a charge generating layer located overlying the electroconductive substrate, a charge transport layer located overlying the charge generating layer, the charge transport layer comprising a charge transport material and a protective layer having a thickness of from 3 to 15 μm located overlying the charge transport layer, wherein the density of the charge transport material in the protective layer at depth of 2 μm from the surface of the charge transport layer satisfies the following relationship: | 06-11-2009 |
20090230386 | BENZOBISTHIAZOLE COMPOUND, BENZOBISTHIAZOLE POLYMER, ORGANIC FILM INCLUDING THE COMPOUND OR POLYMER AND TRANSISTOR INCLUDING THE ORGANIC FILM - A benzobisthiazole compound having a specific formula, and a benzobisthiazole polymer having a specific benzothiazole structure. An organic film including the benzobisthiazole polymer, the benzobisthiazole compound and/or a polymer obtained from the benzobisthiazole compound. An organic thin-film transistor including an organic semiconductor layer including the organic film; a pair of electrodes configured to flow an electric current through the organic semiconductor layer; and a third electrode configured to apply a voltage to the organic semiconductor layer. | 09-17-2009 |