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 |
20120021346 | IMAGE BEARING MEMBER AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE USING SAME - An image bearing member having a substrate and a layer provided overlying the substrate, which has a cured material in which a compound comprising three or more methylol groups and a charge transport group is cross-linked. | 01-26-2012 |
20120142948 | TETRAHYDROPYRANYL COMPOUND AND METHOD FOR PRODUCING THE TETRAHYDROPYRANYL COMPOUND - To provide a tetrahydropyranyl compound represented by General Formula (1) below: General Formula (1) where X denotes any one of a substituted or unsubstituted alkyl group, an oxygen atom, and a substituted or unsubstituted aromatic hydrocarbon group, R | 06-07-2012 |
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 |
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 |
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 |
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 |
20150083210 | PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element is provided. The photoelectric conversion element includes a first electrode and a second electrode. The first electrode is covered with an electron transport layer. The electron transport layer is covered with a material represented by the following formula (1): | 03-26-2015 |
20150083226 | PHOTOELECTRIC CONVERSION ELEMENT - A photoelectric conversion element is provided. The photoelectric conversion element includes a first electrode and a second electrode. The first electrode is covered with an electron transport layer. The electron transport layer is covered with a material represented by the following formula (1): | 03-26-2015 |