Patent application number | Description | Published |
20080196621 | Ink receptive particle, material for recording, recording apparatus and ink receptive particle storage cartridge - An ink receptive particle comprising an organic resin that is formed by a hydrophilic monomer and a hydrophobic monomer, the hydrophilic monomer including a hydrophilic group having a salt structure and a hydrophilic group not having a salt structure. | 08-21-2008 |
20090091610 | RECORDING DEVICE AND INK RECEIVING PARTICLES - A recording device including: an intermediate transfer member; a particle supply unit that supplies ink receiving particles that receive ink onto the intermediate transfer member; an ink ejecting unit that ejects ink to the ink receiving particles that have been supplied onto the intermediate transfer member; a transfer unit that transfers the ink receiving particles that have received the ink to a recording medium from the intermediate transfer member; a cleaning unit that cleans the ink receiving particles remaining on the intermediate transfer member after the transfer of the ink receiving particles by the transfer unit; and a cleaning aid particle supply unit that supplies cleaning aid particles. | 04-09-2009 |
20090211490 | MATERIAL SET FOR RECORDING AND RECORDING APPARATUS - A material set for recording includes: ink receiving particles that include a resin having an acid value of from about 50 mg KOH/g to about 750 mg KOH/g, and have a neutralization degree of from more than 0 to less than 1; and an ink that includes at least a colorant, a water-soluble solvent, and water, a value obtained by multiplying an electrical conductivity σ (S/m) of the ink by a viscosity η (mPa·s) of the ink being from about 0.02 to about 5.0. | 08-27-2009 |
20100041812 | INK RECEPTIVE PARTICLES, MATERIAL FOR RECORDING, RECORDING APPARATUS AND INK RECEPTIVE PARTICLE STORAGE CARTRIDGE - Ink receptive particles for receiving ink, including: particles P including hydrophilic polymer particles having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 10 mol % to about 90 mol %; and hydrophobic polymer particles, attached to at least a part of a surface of the particles P and having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 0 mol % to about 10 mol %. | 02-18-2010 |
20100045761 | INK RECEPTIVE PARTICLES, MATERIAL FOR RECORDING, RECORDING APPARATUS AND INK RECEPTIVE PARTICLE STORAGE CARTRIDGE - Ink receptive particles for receiving ink, including: particles P including hydrophilic polymer particles having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 10 mol % to about 90 mol %; and hydrophobic polymer particles, attached to at least a part of a surface of the particles P and having a ratio of hydrophilic monomer(s) to the total monomer components thereof of from about 0 mol % to about 10 mol %. | 02-25-2010 |
20100167192 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - The invention provides an electrophotographic photoreceptor having at least a conductive substrate and a photosensitive layer formed on the conductive substrate wherein the outermost surface layer of the photoreceptor is composed of a cured material containing at least one compound represented by the formula (I) and a surfactant that contains, in the molecule thereof, at least one structure selected from (A) a structure that is obtained by polymerizing an acrylic monomer having a fluorine atom, (B) a structure having a carbon-carbon double bond and a fluorine atom, (C) an alkyleneoxide structure, and (D) a structure having a carbon-carbon triple bond and a hydroxy group. In formula (I), Q is an organic group having a valency of n and having hole transportability, R is a hydrogen atom or an alkyl group, L is a divalent organic group, n is 1 or more, and j is 0 or 1. | 07-01-2010 |
20100167193 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, MANUFACTURING METHOD OF ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESSING CARTRIDGE, AND IMAGE FORMING APPARATUS - The invention provides an electrophotographic photoreceptor having comprising at least an electrically conductive substrate and a photo-sensitive layer provided on the conductive substrate, the outermost layer is being a cured film of comprising a composition containing at least one compound (a) having a triphenylamine structure and four or more methacryloyl groups in one and the same molecule. | 07-01-2010 |
20100233601 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor has at least an electroconductive substrate, and a photosensitive layer formed on or above the electroconductive substrate, wherein an outermost layer of the photoreceptor is a cured membrane of a composition containing at least one compound (a) having in a single molecule thereof a charge transporting skeleton and a chain polymerizable functional group, and at least one thermopolymerizable or photopolymerizable silicone polymeric radical polymerization initiator (b). | 09-16-2010 |
20100248101 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor comprising:
| 09-30-2010 |
20100295909 | INK-RECIPIENT PARTICLE, MATERIAL FOR RECORDING, RECORDING APPARATUS AND STORAGE MEMBER FOR INK-RECIPIENT PARTICLE - A recording apparatus comprises: an intermediate transfer body; a releasing agent supply device that supplies a releasing agent onto the intermediate transfer body; a particle supply device that supplies hydrophilic ink-recipient particles that receive an ink, onto the releasing agent supplied onto the intermediate transfer body; an ink ejection device that ejects the ink onto the ink-recipient particles supplied onto the intermediate transfer body; and a transfer device that transfers the ink-recipient particles that received the ink, onto a recording medium from the intermediate transfer body, the releasing agent comprising at least one selected from the group consisting of a silicone oil, a fluorinated oil and an organic compound having a solubility parameter (SP value) of about 11 or less. | 11-25-2010 |
20110076605 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor includes an electroconductive substrate and a photosensitive layer formed thereon, the photosensitive layer including a sub-layer that constitutes an outermost surface of the photosensitive layer, the sub-layer including an organic solvent having a boiling point of from about 65° C. to about 250° C. in an amount of from about 5,000 ppm to about 50,000 ppm, and the sub-layer including a polymer of a charge transporting material having a polymerizable group. | 03-31-2011 |
20110195354 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - The present invention provides an electrophotographic photoreceptor including a photosensitive layer on a conductive substrate, an outermost layer of the electrophotographic photoreceptor including a cured film of a composition which includes at least one charge transporting compound (a) having a charge transporting skeleton and at least two structural units represented by R—O—CO—CR′═CH—R″ in the same molecule, and at least one polycarbonate resin; a ratio (I | 08-11-2011 |
20110207039 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, CURED FILM, AND ORGANIC ELECTROLUMINESCENT DEVICE - An electrophotographic photoreceptor is disclosed, in which an outermost surface layer of the electrophotographic photoreceptor is made of a cured film of a composition including a compound represented by the following Formula (M1) and a charge transporting material having a chain polymerizable functional group: | 08-25-2011 |
20110207041 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - The present invention provides an electrophotographic photoreceptor including at least an electroconductive substrate and a photosensitive layer provided on or above the electroconductive substrate, wherein an outermost layer of the electrophotographic photoreceptor is a layer composed of a cured film of a composition including at least one of compound having a chain-polymerizable functional group and a charge-transportable backbone in the molecule thereof, a polymerization initiator and a radical deactivator. | 08-25-2011 |
20110215303 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE IMAGE FORMING APPARATUS, AND CURED FILM - An electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer provided on the conductive substrate, and an outermost surface layer of the electrophotographic photoreceptor includes a cured film of a composition containing a charge transporting material having a chain polymerizable functional group and at least one selected from a nitroso compound, a nitrone compound or a nitro compound. | 09-08-2011 |
20110229809 | IMAGE FORMING APPARATUS, AND PROCESSING CARTRIDGE - The present invention provides an image forming apparatus including: an electrophotographic photoreceptor; a charging unit; an electrostatic latent image forming unit that forms an electrostatic latent image; a developing unit that develops the electrostatic latent image formed at the electrophotographic photoreceptor by a developer to form a toner image, the developing unit storing the developer containing a toner having toner particles containing a crystalline resin and having a shape factor SF1 of from 100 to 150, a volume average particle diameter of from 3 to 6 μm, and fluorocarbon-based resin particles as an external additive; a transfer unit; and a cleaning unit that cleans the surface of the electrophotographic photoreceptor with a blade containing urethane rubber, the blade disposed applying a pressure to the electrophotographic photoreceptor surface of 0.20 mN/mm or more. | 09-22-2011 |
20110318676 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, METHOD FOR PREPARING THE SAME, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer on the conductive substrate. The outermost surface layer contains a copolymer (a) derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, and a polymer prepared by polymerizing, in the presence of the copolymer (a), a reactive monomer (b) that has a solubility parameter (SP value) different from a solubility parameter (SP value) of the reactive monomer having no charge transport property by about 2 (cal/cm | 12-29-2011 |
20110318677 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An electrophotographic photoconductor includes a conductive substrate and an outermost surface layer formed on the conductive substrate and containing a binder resin and a copolymer derived from a reactive monomer having charge transport property and a reactive monomer having no charge transport property, the copolymer having a side chain with 4 or more carbon atoms in a constitutional unit derived from the reactive monomer having no charge transport property. | 12-29-2011 |
20120021345 | PHOTOELECTRIC CONVERSION DEVICE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - Provided is to provide a photoelectric conversion device including an organic compound layer which contains polymer (a) having partial structures represented by the following formulae (1) and (2) respectively. In the formula, R | 01-26-2012 |
20120100472 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - To provide an electrophotographic photoreceptor including the outermost surface layer formed from a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule and a chain transfer agent having a sulfur atom in a molecule, in which the reaction rate of the compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule is about 90% to about 100% and the charge mobility of the cured film at an electric field intensity of 1.0×10 | 04-26-2012 |
20120196214 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - Provided is an electrophotographic photoreceptor including a substrate and an outermost layer containing a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transporting skeleton in the same molecule, and at least one chain transfer agent selected from a compound having 4 or more primary thiol groups and a compound having 2 or more secondary thiol groups. | 08-02-2012 |
20120196215 | THIOL GROUP-CONTAINING CHARGE TRANSPORTING MATERIAL, THIOL GROUP-CONTAINING CHARGE TRANSPORTING MATERIAL-DISSOLVING SOLUTION, PHOTOELECTRIC CONVERSION DEVICE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - Provided is a thiol group-containing charge transporting material represented by the following general formula (1): | 08-02-2012 |
20120202146 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - Provided is an electrophotographic photoreceptor including: a functional layer containing: a polymer of a first compound having a chain polymerizable functional group and a charge transporting skeleton in one molecule, and at least one second compound selected from a compound including at least one kind of the repeating unit represented by formula (AA) and having a weight average molecular weight of 10000 or less, a compound including at least one kind of the repeating unit represented by formula (BB) and having a weight average molecular weight of 10000 or less, a phthalic ester, a trimellitic ester, a fatty acid ester, a polyhydric alcohol ester, and a polyhydric alcohol ether. | 08-09-2012 |
20120231379 | FLUORINE-CONTAINING RESIN PARTICLE DISPERSION, METHOD FOR PREPARING FLUORINE-CONTAINING RESIN PARTICLE DISPERSION, COATING LIQUID WHICH CONTAINS FLUORINE-CONTAINING RESIN PARTICLES, METHOD FOR PREPARING COATING FILM WHICH CONTAINS FLUORINE-CONTAINING RESIN PARTICLES, COATING FILM WHICH CONTAINS FLUORINE-CONTAINING RESIN PARTICLES, MOLDED BODY, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR PREPARING ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - Provided is a fluorine-containing resin particle dispersion including: fluorine-containing resin particles, a resin which is not dissolved in at least one solvent in a group of hydroxyl group-containing solvents including an alcohol-based solvent having 1 to 10 carbon atoms, containing no aromatic ring in the molecule structure, and a water-based medium, and which is adhered on the surface of the fluorine-containing resin particles, and at least one solvent, in which the resin is not dissolved, in the group of hydroxyl group-containing solvents, in which the fluorine-containing resin particles having the resin adhered on the surface thereof are dispersed. | 09-13-2012 |
20130052570 | CHARGE-TRANSPORTING FILM, PHOTOELECTRIC CONVERSION DEVICE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A charge-transporting film includes a polymer of a compound represented by Formula (I): | 02-28-2013 |
20130052573 | NOVEL REACTIVE COMPOUND, CHARGE TRANSPORTING FILM, PHOTOELECTRIC CONVERSION DEVICE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PRODUCING THE SAME, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - Provided is a reactive compound represented by the following General Formula (I): | 02-28-2013 |
20140079435 | NOVEL REACTIVE COMPOUND, CHARGE TRANSPORTING FILM, PHOTOELECTRIC CONVERSION DEVICE, ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PRODUCING THE SAME, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - Provided is a reactive compound represented by the following General Formula (I): | 03-20-2014 |