Patent application number | Description | Published |
20110200926 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An electrophotographic photoconductor including a layer comprising a cross-linked hardened material of a compound A with a compound B. Each of the compounds A and B has at least two alcohol groups, at least one of the compounds A and B has at least two methylol groups, at least one of the compounds A and B has at least three alcohol groups, and at least one of the compounds A and B has a charge transportable group. In other words, the compound A has X methylol groups, X being an integer of 2 or more, the compound B has Y alcohol groups, Y being an integer of 2 or more, at least one of the compounds A and B has a charge transportable group, and the following relations are satisfied:
| 08-18-2011 |
20120028179 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE FOR IMAGE FORMING APPARATUS USING THE PHOTORECEPTOR - An electrophotographic photoreceptor, including an electroconductive substrate; a charge generation layer; a hole transport layer; and a hole transportable protection layer being a three-dimensional crosslinked film formed by irradiating at least a radical polymerizable hole transportable compound with UV to be chain-polymerized, layered in this order, wherein the hole transportable protection layer comprises a silole compound having the following formula (1): | 02-02-2012 |
20120064444 | IMAGE BEARING MEMBER - An image bearing member including an electroconductive substrate, a photosensitive layer provided overlying the electroconductive substrate, and a furan derivative represented by the following chemical structure 1, | 03-15-2012 |
20120087695 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING SAME - An electrophotographic photoreceptor including an electroconductive substrate, a charge generation layer located overlying the electroconductive substrate, a hole transport layer located on the charge generation layer, and a hole transport protective layer located on the hole transport layer. The hole transport protective layer includes a three-dimensionally crosslinked material obtained by irradiating a composition including at least a radically polymerizable hole transport compound with ultraviolet rays or electron beams so that the radically polymerizable hole transport compound causes chain polymerization. In addition, the protective layer includes a specific cyano-containing styryl aromatic compound or a specific cyano-containing distyryl aromatic compound. | 04-12-2012 |
20120171601 | FURAN DERIVATIVE AND ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR - A furan derivative represented by the following General Formula ( | 07-05-2012 |
20130022903 | PHOTORECEPTOR AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE USING THE PHOTORECEPTOR - A photoreceptor including an electroconductive substrate; and a photosensitive layer overlying the electroconductive substrate, wherein the uppermost surface layer of the photosensitive layer has a three-dimensional cross-linked product formed by polymerization reaction of a charge transport compound A represented by the following Chemical Structure 1 and a charge transport compound B having three or more [tetrahydro-2H-pyran-2-yl)oxy]methyl groups linked with aromatic rings in which part of the [tetrahydro-2H-pyran-2-yl)oxy]methyl groups is severed and detached. | 01-24-2013 |
20130122409 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An electrophotographic photoconductor including: an electrically conductive substrate; and at least a photoconductive layer on the electrically conductive substrate, wherein the electrophotographic photoconductor includes an uppermost surface layer, and the uppermost surface layer includes an inorganic filler, an acidic disperser and a three-dimensionally crosslinked polymer, wherein the three-dimensionally crosslinked polymer is formed through polymerization among compounds each containing a charge transporting compound and three or more [(tetrahydro- | 05-16-2013 |
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 |
20130177842 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - To provide an electrophotographic photoconductor, which contains a layer containing a cured product obtained by crosslinking (i) a compound containing a charge-transporting group and three or more methylol groups, and (ii) a compound containing a charge-transporting group, which is other than the compound containing a charge-transporting group and three or more methylol groups. | 07-11-2013 |
20130295496 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE USING THE ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR - An electrophotographic photoconductor including: a conductive substrate; and at least a photoconductive layer on the conductive substrate, wherein an uppermost surface layer of the photoconductive layer includes a three-dimensionally crosslinked film formed through polymerization among compounds each containing a charge transporting compound and three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups where the charge transporting compound has one or more aromatic rings and the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups are bound to the aromatic rings of the charge transporting compound, wherein the polymerization starts after some of the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups have been partially cleaved and eliminated, and wherein the three-dimensionally cross-linked film has an ionization potential of 5.4 or higher. | 11-07-2013 |
20130295497 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An electrophotographic photoconductor including: a conductive substrate; and at least a photoconductive layer on the conductive substrate, wherein an uppermost surface layer of the photoconductive layer includes a three-dimensionally crosslinked film formed through polymerization among compounds each containing a charge transporting compound and three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups where the charge transporting compound has one or more aromatic rings and the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups are bound to the aromatic rings of the charge transporting compound, wherein the polymerization starts after some of the [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups have been partially cleaved and eliminated, and wherein the three-dimensionally crosslinked film has a dielectric constant of lower than 3.5. | 11-07-2013 |
20140092180 | INK COMPOSITION, RECORDING METHOD, PRINTED MATTER, INK CARTRIDGE, AND INKJET RECORDING DEVICE - An ink composition contains a pigment represented by the following chemical formula 1; a hydrosoluble solvent; and water, wherein the pigment satisfies the following relation 1: 0.04004-03-2014 | |
20140120331 | INK FOR INKJET RECORDING - An ink for inkjet recording includes water, a water-soluble solvent, a pigment and a copolymer including a salt of phosphonic acid group. The copolymer including a salt of phosphonic acid group includes structural units having the following formulae (1) and (2) or (3): | 05-01-2014 |
20140141209 | INK FOR INKJET RECORDING, AND INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDER AND INK-RECORDER MATTER USING THE INK - An ink for inkjet recording includes water; a water-soluble solvent; a pigment; and a copolymer including a salt of phosphonic acid group. The copolymer including a salt of phosphonic acid group includes structural units having the following formulae (1) and (2): | 05-22-2014 |
20140178810 | IMAGE BEARING MEMBER, MANUFACTURING METHOD OF THE SAME, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE - An image bearing member includes a substrate, and a photosensitive layer overlying the substrate, wherein an uppermost surface layer of the image bearing member has a hydrocarbon compound represented by the following Chemical Formula 1; and a three-dimensionally cross-linked polymer formed by polymerization reaction of a charge transport compound having three or more [tetrahydro-2H-pyran-2-yl)oxy]methyl groups linked with aromatic rings, wherein, in the polymerization reaction, part of the three or more [(tetrahydro-2H-pyran-2-yl)oxy]methyl groups is severed and detached from the charge transport compound, | 06-26-2014 |
20140199530 | INK FOR INKJET RECORDING, AND INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDER, INK-RECORDED MATTER AND METHOD OF PRODUCING THE INK-RECORDED MATTER USING THE INK - An ink for inkjet recording, which is used for recording on a paper having a concentration of an eluted Ca ion of from 1.0×10 | 07-17-2014 |
20140242352 | INKJET INK, INK STORAGE CONTAINER, INKJET RECORDING DEVICE, AND RECORDED MATTER - An inkjet ink that contains at least water; a water-soluble organic solvent; a pigment; and a copolymer or a salt thereof. The copolymer or the salt thereof has at least a structural unit represented by Formula 1, a structural unit represented by Formula 2, and a structural unit represented by Formula 3 or 4. | 08-28-2014 |
20140267516 | INKJET RECORDING INK AND INK CARTRIDGE USING THE INK, INKJET RECORDING APPARATUS, INKJET RECORDING METHOD AND INK RECORDING MATTER - An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following general formula (2): | 09-18-2014 |
20140275401 | INKJET RECORDING INK AND INK CARTRIDGE USING THE INK, INKJET RECORDING APPARATUS, INKJET RECORDING METHOD AND INK RECORDED MATTER - An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following structural formula (1): | 09-18-2014 |
20150056425 | INK FOR INKJET RECORDING - An ink for inkjet recording includes water; a hydrosoluble solvent, a pigment, and a copolymer including a salt of a diphosphonic acid group. The copolymer including a salt of a diphosphonic acid group includes structural units having the following formulae (1) and (2): | 02-26-2015 |
20150064418 | INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET PRINTED MATTER - An ink composition contains a pigment; a copolymer containing a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: Y03-05-2015 | |
20150064425 | INK COMPOSITION, INK CARTRIDGE, INKJET RECORDING DEVICE, AND INKJET PRINTED MATTER - An ink composition contains a pigment; a copolymer comprising a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: | 03-05-2015 |