Class / Patent application number | Description | Number of patent applications / Date published |
430075000 | Radiation-conductive composition contains hetero ring | 17 |
20090035678 | MIXED CYCLIC PHENOL SULFIDES, AND CHARGE CONTROL AGENTS AND TONERS USING THE SAME - The present invention discloses a mixed cyclic phenol sulfide which is a mixture of the cyclic phenol sulfide wherein m is 8 and the cyclic phenol sulfide wherein m is an integer other than 8, the cyclic phenol sulfide being represented by the following formula (1): | 02-05-2009 |
20140080044 | Imaging Particulates, Paper and Process, and Imaging of Paper Using Dual Wavelength Light - The present invention provides dual wavelength imaging compositions, processes for forming dual wavelength imaging compositions, methods for forming images using dual wavelength imaging compositions and substrate (e.g., paper web) treated (e.g., coated) on one or both sides with dual wavelength imaging compositions. Also provided is a dual wavelength imaging particulate comprising a matrix of polymer material and containing: one or more image-forming agents; a photo-oxidizing agent which is activated at a first wavelength of light to cause the one or more image-forming agents to form one or more images; and a reducing agent which is activated at a second wavelength of light to cause termination of the formation of the one or more images. | 03-20-2014 |
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 |
430076000 | The hetero ring has at least nitrogen as a ring hetero atom | 14 |
20090191476 | THERMOPLASTIC MATERIALS COMPRISING CHARGE TRANSFER AGENTS AND PHOTO ACID GENERATING AGENTS - The present invention relates to a thermoplastic material comprising polymer, at least one charge transfer agent, wherein the charge transfer agent is substantially colourless when neutral, but which develops colour when a charge is acquired, and at least one photo acid generating agent. The present invention further relates to a method of processing thermoplastic material to form a plastic article, wherein the method comprises the step of processing the thermoplastic material at a temperature greater than the melt temperature, T | 07-30-2009 |
20110104602 | GELATIN RELEASE LAYER AND METHODS FOR USING THE SAME - The disclosed embodiments are directed to a method for removing photoreceptor coatings from a rigid substrate, wherein the photoreceptor coatings disposed over a substrate of an electrophotographic photoreceptor, in order to recover it for re-use in photoreceptor manufacturing. More specifically, the invention discloses a photoreceptor substrate recovery methodology that includes the creation of an inner release layer over the substrate and followed by subjecting the rejected or used electrophotographic photoreceptor to a step of soaking in a non-toxic and environmentally-friendly stripping solution that separates the coatings from the substrate. | 05-05-2011 |
20120100475 | Spirodilactam-doped charge transport layer for imaging device - A photoreceptor charge transport layer containing a spirodilactam and/or a lubricant has superior wear resistance. | 04-26-2012 |
430077000 | Additional diverse ring hetero atom in the hetero ring | 2 |
20090246666 | THIADIAZOLE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one, charge transport layer, such as 1, 2, 3, or 4 layers, and more specifically, 2 layers, and wherein the photogenerating layer contains a thiadiazole. | 10-01-2009 |
20090246667 | THIADIAZOLE CONTAINING CHARGE TRANSPORT LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and at least one charge transport layer containing at least one charge transport component, and wherein the charge transport layer also contains a thiadiazole. | 10-01-2009 |
430078000 | Polycyclo ring system having the hetero ring as one of the cyclo systems | 9 |
20080254380 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An electrophotographic photoreceptor includes a conductive support and a photosensitive layer. The photosensitive layer is disposed on the conductive support, and includes a layer that includes, in the same layer, at least a charge generating material and a compound having a triple bond and a hydroxy group. | 10-16-2008 |
20080305418 | MONOLAYER TYPE PHOTOCONDUCTOR AND IMAGE FORMING DEVICE - Provided is a monolayer type photoconductor superior in sensitivity characteristics that allows reliable production by easy confirmation of the sensitivity characteristics, and an image forming device using such a monolayer type photoconductor. A monolayer type photoconductor including a base body and a single photo sensitive layer formed on the base body, the single photo sensitive layer containing a charge generating agent, a hole transfer agent, an electron transfer agent and a binding resin, wherein a maximum absorption wavelength (λ | 12-11-2008 |
20080305419 | Titanylphthalocyanine comprising specific polymorph and method for producing thereof, and electrophotographic photoreceptor comprising charge generating material thereof - The present invention relates to a titanylphthalocyanine represented by the formula (1): | 12-11-2008 |
20130149639 | AMMONIUM ALKYLPHOSPHATE CONTAINING INTERMEDIATE TRANSFER MEMBERS - An intermediate transfer member that includes a mixture of a polyamideimide, an ammonium alkylphosphate, an optional polysiloxane, and an optional conductive filler. | 06-13-2013 |
20140212804 | SOLUTION OF GALLIUM PHTHALOCYANINE METHOD FOR PREPARING THE SAME METHOD FOR PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL METHOD FOR PURIFYING COMPOSITION CONTAINING GALLIUM PHTHALOCYANINE AND METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A solution of a gallium phthalocyanine contains a compound of formula (1) and a gallium phthalocyanine of formula (2), | 07-31-2014 |
20150147691 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR MANUFACTURING THE SAME, ELECTROPHOTOGRAPHIC APPARATUS, PROCESS CARTRIDGE, AND HYDROXYGALLIUM PHTHALOCYANINE CRYSTAL - A photosensitive layer of an electrophotographic photosensitive member contains a hydroxygallium phthalocyanine crystal of a crystalline form having peaks at Bragg angles 2θ±0.2° of 7.0°, 16.6°, 20.8°, and 26.9° in X-ray diffraction with CuKα radiation. | 05-28-2015 |
20150316863 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND GALLIUM PHTHALOCYANINE CRYSTAL - An electrophotographic photosensitive member is provided. The electrophotographic photosensitive member can output an image having few image defects due to a ghost phenomenon not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment, which is particularly a strict condition. A process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member are also provided. The electrophotographic photosensitive member has a support and a photosensitive layer formed on the support, wherein the photosensitive layer includes a gallium phthalocyanine crystal including a compound having a structure in which a 7-membered ring and a 5-membered ring are condensed to each other within the crystal. | 11-05-2015 |
20150346616 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, MANUFACTURING METHOD OF ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS, AND PHTHALOCYANINE CRYSTAL AND MANUFACTURING METHOD OF PHTHALOCYANINE CRYSTAL - The present invention provides: an electrophotographic photosensitive member which reduces image defects due to ghosting not only under a normal temperature and normal humidity environment but also even under a low temperature and low humidity environment; and a novel phthalocyanine crystal. The electrophotographic photosensitive member of the present invention comprises a photosensitive layer which comprises a phthalocyanine crystal in which a N,N-dimethylformamide is contained. The content of the N,N-dimethylformamide is 0.1% by mass or more and 1.5% by mass or less based on the phthalocyanine crystal. | 12-03-2015 |
430079000 | Carbazole | 1 |
20090246668 | CARBAZOLE HOLE BLOCKING LAYER PHOTOCONDUCTORS - A photoconductor that includes, for example, a substrate; an undercoat layer thereover wherein the undercoat layer contains a metal oxide and a carbazole containing compound; a photogenerating layer; and at least one charge transport layer. | 10-01-2009 |