| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 430060000 | Product having layer between radiation-conductive layer and base or support | 22 |
| 20090253063 | LOW FRICTION ELECTROSTATOGRAPHIC IMAGING MEMBER - Present embodiments pertain to an improved electrostatographic imaging member having low contact friction surfaces to ease sliding mechanical interaction and suppressing abrasion/wear failure and methods of preparing thereof. The improved imaging member has layers comprising one or two low surface energy polymeric materials that enhance the physical and mechanical functions and reduce the layers surface contact friction of the imaging member to extend service life. | 10-08-2009 |
| 20090317734 | Electrophotographic apparatus, electrophotographic photoconductor drum, developing device and image forming device - An electrophotographic apparatus includes a photoconductor, a plurality of a series of bump portions formed on a surface of the photoconductor, the bump portions having slopes with respect to a circumferential direction of the photoconductor, and each of the bump portions being spaced apart by a predetermined interval from adjacent bump portions with respect to the circumferential direction. | 12-24-2009 |
| 20100086866 | UNDERCOAT LAYERS COMPRISING SILICA MICROSPHERES - The presently disclosed embodiments are directed to an improved imaging member exhibiting little or no plywood print defect comprising an undercoat layer formed from an undercoat layer dispersion comprising silica microspheres, a binder resin and a solvent, and a method for making the undercoat layer. | 04-08-2010 |
| 20110111335 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE - To provide an electrophotographic photoconductor that has a layer containing a compound represented by the following general formula (1), and an image forming apparatus using the electrophotographic photoconductor. | 05-12-2011 |
| 20110244381 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, MANUFACTURING METHOD THEREOF, AND ELECTROPHOTOGRAPHIC DEVICE - Provided is an electrophotographic photoconductor that has good coating solution stability and metal oxide dispersibility, is free of image defects including ground fogging and black spots, and affords good image characteristics in various environments, as well as a manufacturing method therefore and a device including the same. The electrophotographic photoconductor includes a conductive substrate; an undercoat layer; and a photosensitive layer. The undercoat layer contains, as a main component, a resin obtained by polymerizing, as starting materials, an aromatic dicarboxylic acid, at least one aliphatic dicarboxylic acid having 8 or more carbon atoms, and at least one diamine having a cycloalkane structure, and further contains a metal oxide. The aromatic dicarboxylic acid in the resin is present in an amount that ranges from 0.1 to 10 mol %, and the resin has an acid value and a base value that are each no greater than 10 KOH mg/g. | 10-06-2011 |
| 20110300476 | POSITIVE CHARGING SINGLE-LAYER ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE-FORMING APPARATUS AND METHOD FOR FORMING AN IMAGE - A positive charging single-layer electrophotographic photoconductor configured to serve as an image-bearing member for use in an image-forming apparatus includes a photosensitive layer on a conductive base, including a charge-generating material, a hole-transport material, an electron-transport material, and a binder resin, in which the photosensitive layer has a polysiloxane oil, with the amount of the polysiloxane oil being in the range of about 0.005% by mass to about 0.021% by mass with respect to the total mass of materials. | 12-08-2011 |
| 20120244462 | METHOD FOR PREPARING ALIZARIN DERIVATIVE COMPOUND, NOVEL ALIZARIN DERIVATIVE COMPOUND, SURFACE MODIFICATION METHOD, PHOTOELECTRIC CONVERSION FILM, PHOTOELECTRIC CONVERSION ELEMENT, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR - The present invention provides a novel alizarin derivative compound and a simplified and low cost method for preparing an alizarin derivative compound including: obtaining a compound represented by Formula (2) using a compound represented by Formula (3); and obtaining an alizarin derivative compound represented by Formula (1) using the compound represented by Formula (2); in Formulae (1) to (3), R | 09-27-2012 |
| 20130330664 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, COATING LIQUID FOR UNDERCOAT LAYER OF ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND METHOD FOR PRODUCING THE SAME - A coating liquid for an undercoat layer of an electrophotographic photoreceptor which is formed by sequentially stacking the undercoat layer and a photosensitive layer on an electrically conductive support, wherein the coating liquid comprises titanium oxide microparticles and silicon nitride microparticles as an inorganic compound, a binder resin and an organic solvent. | 12-12-2013 |
| 20140178809 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR - According to the present invention, an electrophotographic photoreceptor comprising an intermediate layer is provided. The intermediate layer is a single layer and contains first metal oxide particles, second metal oxide particles having higher electron-transporting properties than those of the first metal oxide particle and a binder resin. The first metal oxide particles are unevenly distributed in the thickness direction of the intermediate layer. | 06-26-2014 |
| 20140363759 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS - In order to provide an electrophotographic photosensitive member with which a ghost is suppressed even under a low temperature and low humidity environment, and a process cartridge and an electrophotographic apparatus having the electrophotographic photosensitive member, the electrophotographic photosensitive member has a support, an undercoat layer formed on the support, and a photosensitive layer formed on the undercoat layer and comprising a charge generating material and a hole transporting material, wherein the undercoat layer comprises a particular amine compound. | 12-11-2014 |
| 430061000 | Sensitizing layer | 1 |
| 20080220353 | EXTRUDABLE ANTISTATIC TIELAYERS - The present invention relates to an extruded imaging element comprising an extruded support bearing an extruded image receiving layer and an extruded antistatic tie layer between the extruded support and the extruded image receiving layer, wherein the extruded tie layer absorbs less than 3 weight % of moisture at 80% RH and 70 F (22.78° C.) comprises 5-30% polyether-containing antistatic material in a matrix polymer, and a method for making the same. | 09-11-2008 |
| 430062000 | Conductive layer | 2 |
| 20090104553 | Methods and apparatus for providing a liquid coating for an organic photoconductive drum - A method of cleaning and coating a used organic photoconductive drum is disclosed. Using this method remanufacturers can reliably reuse certain used organic photoconductive drums which could not be reused without this method. The method comprises providing a used organic photoconductive drum, cleaning the surface of the used organic photoconductive drum, applying a new surface layer comprising a non-volatile non-polar dielectric fluid such as a silicone oil with a viscosity of less than 200 cSt at 40 degrees Celsius. The resulting liquid surface on the used organic photoconductive drum provides wear resistance, and improved electrical characteristics allowing the used organic photoconductive drum to be used at least a second time. | 04-23-2009 |
| 430063000 | Inorganic containing | 1 |
| 20130040233 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - An electrophotographic photoreceptor includes a substrate; an undercoat layer provided on the substrate and containing a tin-zinc complex oxide powder having a volume resistivity of about 2×10 | 02-14-2013 |
| 430064000 | Blocking or barrier layer | 9 |
| 20090035677 | CONDENSATION POLYMER PHOTOCONDUCTIVE ELEMENTS - The present invention relates to photoconductive elements having an electrically conductive support, an electrical barrier layer and, disposed over the conductive layer, a charge generation layer capable of generating positive charge carriers when exposed to actinic radiation. The electrical barrier layer, which restrains injection of positive charge carriers from the conductive support, comprises a crosslinkable condensation polymer having as a repeating unit a planar, electron-deficient, tetracarbonylbisimide group and optionally a crosslinker, | 02-05-2009 |
| 20100075239 | AZO PIGMENT, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - The present invention provides an azo pigment comprising a group represented by the general formula (1) below, an electrophotographic photosensitive member comprising an intermediate layer comprising the azo pigment, and a process cartridge and an electrophotographic apparatus that comprise the electrophotographic photosensitive member. | 03-25-2010 |
| 20100310977 | CHARGE BLOCKING LAYER AND COATING SOLUTION FOR FORMING THE SAME - The present embodiments are generally directed to an improved imaging member exhibiting various advantages over conventional imaging members. More specifically, the present embodiments are directed to an improved charge blocking layer formed from an aqueous-based coating solution which exhibits improved shelf life and coating properties, such as increased homogeneity and adhesion, and methods for making the same. The aqueous-based coating solution is environment-friendly and avoids the need to use more expensive organic solvents which involve higher safety risks in the manufacturing process. | 12-09-2010 |
| 20130330665 | TETRAARYL POLYCARBONATE CONTAINING PHOTOCONDUCTORS - A photoconductor that includes, for example, a supporting substrate, an optional ground plane layer, an optional hole blocking layer, an optional adhesive layer, a photogenerating layer, and a charge transport layer, and where the charge transport layer contains a mixture of a charge transport component and a tetraaryl polycarbonate. | 12-12-2013 |
| 20140038094 | ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR AND IMAGE FORMING APPARATUS - The present invention provides an electrophotographic photoconductor including an electrically conductive substrate, an intermediate layer, and a photosensitive layer that are formed on the electrically conductive support, the intermediate layer including first titanium oxide particles surface-treated with a first reactive organic silicon compound, second titanium oxide particles surface-treated with a second reactive organic silicon compound different from the first reactive organic silicon compound, and a binder resin. The first reactive organic silicon compound is methyl hydrogen polysiloxane. The second reactive organic silicon compound is a compound represented by the following general formula (1): | 02-06-2014 |
| 430065000 | Inorganic containing | 4 |
| 20080311498 | PHOTORECEPTOR LAYER HAVING RHODAMINE ADDITIVE - The presently disclosed embodiments relate in general to electrophotographic imaging members, such as layered photoreceptor structures, and processes for making and using the same. More particularly, the embodiments pertain to a photoreceptor that incorporates a rhodamine compound that improves image quality. | 12-18-2008 |
| 20120034556 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS FOR PRODUCING THE ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND ELECTROPHOTOGRAPHIC DEVICE - An electrophotographic photoreceptor includes an electroconductive substrate; an undercoat layer provided on the electroconductive substrate and composed of: metal oxide fine particles including particles of at least one metal oxide and at least one organic compound provided on the particles of the at least one metal oxide as a surface treatment; and a copolymer resin synthesized by copolymerization of essential constituent monomers composed of a dicarboxylic acid, a diol, a triol and a diamine; and a photosensitive layer laminated on the undercoat layer. The undercoat layer permits (a) attaining stable electric potential characteristics in all environments ranging from low temperature and low humidity environments to high temperature and high humidity environments, (b) suppressing the occurrence of printing defects and density differences, and (c) simultaneously attaining transfer restorability and restorability from intense light-induced fatigue even in a wide variety of usages and operation environments. | 02-09-2012 |
| 20150099218 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING THE SAME, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An undercoat layer of an electrophotographic photosensitive member includes a cured product having electron transportability and a particle including titanium oxide, and a surface layer of the electrophotographic photosensitive member includes a cured product of a composition including a hole transporting substance having a polymerizable functional group and a photopolymerization initiator. | 04-09-2015 |
| 20160026099 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member includes a support, an undercoat layer which contains a metal oxide particle and is formed on the support, a charge generating layer formed on the undercoat layer, and a charge transporting layer formed on the charge generating layer. Either or both of the undercoat layer and the charge generating layer contain a compound represented by formula (1). | 01-28-2016 |
