| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 430127000 | Process of making radiation-sensitive product | 46 |
| 20080220364 | Image forming apparatus and method of abrading photoconductor of the apparatus - An image forming apparatus of the present invention is arranged to hold an intermediate transfer belt and a photoconductive drum out of contact with each other. In a non image formation process in a first mode, the intermediate transfer belt and the photoconductive drum are separated from each other upon completion of the image formation, thereby preventing contamination of the photoconductive drum due to back transfer. In a non image formation process in a second mode, the intermediate transfer belt and the photoconductive drum are separated from each other upon completion of the image formation, and then the intermediate transfer belt and the photoconductive drum are contacted with each other again upon completion of secondary transfer of an image. They are driven for a predetermined time with a speed difference therebetween, thereby abrading the surface of the photoconductive drum to refresh it. | 09-11-2008 |
| 20080280226 | Polyimide film, image-forming apparatus, method for producing the polyimide film, and method for producing the intermediate transfer belt - A polyimide film having a polyimide as the primary constituent and containing at least a polymeric electroconductive material, wherein
| 11-13-2008 |
| 20090035690 | PRINTING SYSTEM, PROCESS, AND PRODUCT WITH MICROPRINTING - The invention relates to printing of documents, for example bank checks. According to the various aspects of the invention, a printing system, process and product with microprinting are provided. Documents printed as described may include digitally variable microprint and other enhancements. The invention is particularly useful for enhanced security documents and the production thereof. | 02-05-2009 |
| 20100075246 | METHOD OF PRODUCING SOLID BODY HAVING DEPRESSED PORTIONS ON ITS SURFACE AND METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing a solid body having depressed portions on its surface is provided. The method includes: using a solution which includes a solvent A, a solvent B, a solvent C, and a polymer compound, where the solvent B is a hydrophobic solvent, the solvent A is a hydrophilic solvent having a boiling point not lower than the boiling point of the solvent B, and the solvent C is a non-hydrophobic solvent having a boiling point lower than the boiling point of the solvent B, and the contents of the solvent A, solvent B, and solvent C satisfy specific conditions; and solidifying the solution while forming depressed portions on the surface of the solution by condensation during the process of evaporating the solvents included in the solution. | 03-25-2010 |
| 20100183973 | PHOTOCONDUCTIVE LAYER MANUFACTURING METHOD - A method for manufacturing a photoconductive layer formed of Bi | 07-22-2010 |
| 20110014563 | METHODS OF MAKING AN IMPROVED PHOTORECEPTOR OUTER LAYER - The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member incorporating an outer layer having a nano- to micron-scale pattern imprinted into its surface to lower friction with the cleaning blade and improve print quality and performance. Embodiments also pertain to methods for making the improved imaging member. | 01-20-2011 |
| 20120225380 | Sulfonamide-doped undercoat for imaging device - A photoreceptor undercoat containing a sulfonamide facilitates removal of coatings from the substrate. | 09-06-2012 |
| 20130137032 | METHOD OF PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL AND METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER USING THE METHOD OF PRODUCING GALLIUM PHTHALOCYANINE CRYSTAL - Provided is a method of producing an electrophotographic photosensitive member having improved sensitivity and capable of outputting an image having less image defects due to a ghost phenomenon not only under a normal-temperature, normal-humidity environment but also under a low-temperature, low-humidity environment as a particularly severe condition. The method of producing a gallium phthalocyanine crystal includes subjecting a gallium phthalocyanine and a specific amine compound, which are added to a solvent, to a milling treatment to perform crystal transformation of the gallium phthalocyanine. In addition, the gallium phthalocyanine crystal is used in the photosensitive layer of the electrophotographic photosensitive member. | 05-30-2013 |
| 20130244172 | METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - The present invention provides a method of producing an electrophotographic photosensitive member using a dispersion solution that shows high liquid stability in long-period storage and hardly causes aggregation of charge-transporting pigment particles during drying a coating. The method of producing an electrophotographic photosensitive member having a charge-transporting layer comprises a step of forming a coating film by applying a dispersion solution comprising polyolefin polymer particles and charge-transporting pigment particles as dispersoids and comprising a dispersion medium, and then forming the charge-transporting layer by heating the coating film and melting the polyolefin polymer particles, wherein the particles consisting of the polyolefin polymer particles and the charge-transporting pigment particles in the dispersion solution have a number average particle diameter of 50 nm or more and 300 nm or less and a degree of dispersion (standard deviation/number average particle diameter) of 1.0 or less. | 09-19-2013 |
| 20140038099 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE,AND ELECTROPHOTOGRAPHIC APPARATUS - An electrophotographic photosensitive member having excellent cleaning performance, a process cartridge, and an electrophotographic apparatus. | 02-06-2014 |
| 430128000 | Coating by vacuum deposition | 2 |
| 20130065177 | METHOD FOR MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for manufacturing an electrophotographic photosensitive member using plasma CVD includes steps of placing a cylindrical base member in a reactor which can be evacuated, the reactor having an electrode therein, so as to be spaced apart from the electrode, introducing a raw material gas for deposited film formation into the reactor, and applying an alternating voltage of a rectangular wave having a frequency in the range of 3 kHz to 300 kHz between the electrode and the cylindrical base member so that a potential at one of the electrode and the cylindrical base member with respect to a potential at the other becomes alternately positive and negative, to decompose the raw material gas, and forming a deposited film on the cylindrical base member. The magnitude of the potential difference between the electrode and the cylindrical base member is selectively controlled. | 03-14-2013 |
| 20130302734 | DEPOSITION FILM FORMING APPARATUS, DEPOSITION FILM FORMING METHOD AND ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER MANUFACTURING METHOD - The present invention provides a deposition film forming apparatus including a reaction container, an exhaust device and an exhaust gas flow path for causing a material gas to flow from the reaction container to the exhaust device, wherein the exhaust gas flow path includes a portion whose cross section expands with a step with respect to a direction in which the material gas flows and the deposition film forming apparatus further includes a cleaning gas flow device for causing the cleaning gas to directly flow into a region closer to the exhaust device side than the step of the exhaust gas flow path, a deposition film forming method using the deposition film forming apparatus and a method of manufacturing an electrophotographic photosensitive member using the deposition film forming method. | 11-14-2013 |
| 430130000 | Thermal or energy treatment of radiation-sensitive layer, e.g., fusing, annealing, or solvent after treatment of radiation-sensitive layer, etc. | 10 |
| 20080299483 | Method for recycling an image-forming member - The present invention provides a method for recycling a spent image-forming member mounted inside an image-forming apparatus to reuse the image-forming member. In the method, the image-forming member is made of an elastomer before the image-forming member is recycled; and when a recycling work is performed, a surface of the image-forming member is not abraded, but irradiated with ultraviolet rays or ozone at least once to decompose or/and deteriorate a deposit which has attached to the surface thereof in a use thereof so that the deposit is removed from the surface thereof. | 12-04-2008 |
| 20090170023 | PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A process for producing an electrophotographic photosensitive member. The electrophotographic photosensitive member includes a conductive support and a surface layer provided thereon containing at least a resin. The process has the step of forming a plurality of depressed portions on the surface layer by irradiation with laser light having a wavelength of 400 nm or less and having an output characteristic of a pulse width of 100 ns or less. | 07-02-2009 |
| 20120148949 | RESIN COMPOSITION FOR PRINTING PLATE - Disclosed is a polymer having excellent solvent resistance which can be produced by using a polycarbonate diol having a repeating unit represented by the formula (1) and/or (2), having a hydroxyl group at both termini, and having a number average molecular weight of from 300 to 50,000: | 06-14-2012 |
| 20130137033 | PROCESS FOR PREPARING STRUCTURED ORGANIC FILMS (SOFS) VIA A PRE-SOF - A processes for preparing structured organic film (SOF) comprising a plurality of segments and a plurality of linkers arranged as a covalent organic framework, wherein the structured organic film may be a multi-segment thick structured organic film. | 05-30-2013 |
| 20140342285 | PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - In a process for producing an electrophotographic photosensitive member, in particular, a process of forming a charge transporting layer, a production process is provided by which the stability of a charge transporting layer coating fluid even after its storage for a long time is improved so as to form a coat for a charge transporting layer having a high uniformity. In a process for producing an electrophotographic photosensitive member having a charge transporting layer on a support, a production process is used in which a coat of (i) a liquid dispersion comprised of particles containing a charge transporting material, particles containing a binder resin, and an aqueous dispersion medium, or (ii) a liquid dispersion comprised of particles containing both a charge transporting material and a binder resin, and an aqueous dispersion medium, is formed on the support and then the coat is heated at a temperature not less than the melting point of the charge transporting material to form the charge transporting layer. | 11-20-2014 |
| 20140377701 | PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - Provided is a process for producing an electrophotographic photosensitive member having high uniformity of the surface of its undercoat layer by which the usage of an organic solvent is reduced and the stability of an application liquid for an undercoat layer after its long-term storage is improved in the step of forming the undercoat layer. The process for producing an electrophotographic photosensitive member includes the steps of: preparing a solution containing a liquid whose solubility in water at 25° C. and 1 atmosphere is 3.0 mass % or less and an electron transporting substance; preparing an emulsion by dispersing the solution in water; forming a coat of the emulsion on a support; and forming the undercoat layer by heating the coat. | 12-25-2014 |
| 20150099225 | Photo Conductor Overcoat Comprising Radical Polymerizable Charge Transport Molecules and Hexa-Functional Urethane Acrylates - A method of preparing a photoconductor drum having an overcoat layer is provided. The photoconductor drum is used in an electrophotographic image forming device. The photoconductor drum is prepared from a curable composition including a urethane resin having at least six radical polymerizable functional groups and a charge transport molecule having at least one radical polymerizable functional group. The amount of the urethane resin having at least six radical polymerizable functional groups in the curable composition is about 35 percent to about 65 percent by weight. The amount of the charge transport molecules having at least one radical polymerizable functional group in the curable composition is about 35 percent to about 65 percent by weight. This overcoat layer improves wear resistance of the photoconductor drum without negatively altering the electrophotographic properties, thus protecting the photoconductor drum from damage and extending its useful life. | 04-09-2015 |
| 20150111150 | Tough Wear Resistant Urethane Hexaacrylate Materials for Overcoats - An overcoat layer for an organic photoconductor drum of an electrophotographic image forming device is provided. The overcoat layer is prepared from a curable composition including a urethane resin having at least six radical polymerizable functional groups. The at least six radical polymerizable functional groups may include acrylate group, methacrylate group, styrenic group, allylic group, vinylic group, glycidyl ether group, epoxy group, or combinations thereof. This overcoat layer has an improved wear resistance, thus protecting the organic photoconductor drum from damage and extending its service life. | 04-23-2015 |
| 20150147693 | METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - The invention has a process of preparing a dispersion liquid by dispersing particles containing a charge transporting substance and a binder resin in liquid medium containing a specific liquid to prepare a dispersion liquid and a process of forming a coat of the dispersion liquid, and heating and drying the coat to dissolve the particles containing the charge transporting substance and the binder resin with liquid medium to form a charge transporting layer. | 05-28-2015 |
| 20160054666 | ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - An undercoat layer of an electrophotographic photosensitive member contains a polymerized product of (cured material) a composition that contains a particular crosslinking agent, a particular resin, and a particular charge transporting substance. | 02-25-2016 |
| 430131000 | Applying subbing layer | 10 |
| 20090202937 | METHOD FOR PREPARING AN ELECTROPHOTOGRAPHIC PHOTORECEPTOR - A method for preparing an electrophotographic photoreceptor, includes coating an electroconductive substrate with an undercoat layer containing a blocked isocyanate compound, an oil-free alkyd resin including a hydroxyl group and basic amine; crosslinking the blocked isocyanate compound, oil-free alkyd resin including a hydroxyl group and basic amine; and coating the undercoat layer with a photosensitive layer. | 08-13-2009 |
| 20090214978 | PHOTORECEPTOR MEMBER - An electrophotographic photoreceptor and method for forming a photoreceptor is disclosed which is provided with an anticorrosion layer on the interface between the supporting substrate surface and the undercoat layer. The photoreceptor has a high mechanical strength and minimizes defects in print for longer periods of time. | 08-27-2009 |
| 20120225381 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - An electrophotographic photosensitive member is provided in which black spots on an output image are hardly caused by local charge injection from a support to a photosensitive layer. For this purpose, a conductive layer is formed using a coating liquid for a conductive layer prepared using a solvent, a binder material and a metal oxide particle that satisfies the following relation (i): 45≦A×ρ×D≦65 (i) wherein A denotes the surface area of the metal oxide particle per unit mass [m | 09-06-2012 |
| 20140212806 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing an electrophotographic photosensitive member including an undercoat layer includes preparing a coating liquid for an undercoat layer containing zinc oxide particles, a polyol, a blocked isocyanate compound whose isocyanate group is blocked with a specific structure, and a solvent mixture, in which the solvent mixture contains a monohydric alcohol in an amount of 1 chemical equivalent or more based on the specific structure and 90% by mass or less based on the total mass of the solvent mixture, and a ketonic solvent and/or a cyclic ether solvent in an amount of 7% by mass or more based on the total mass of the solvent mixture. | 07-31-2014 |
| 20140295344 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A composition that contains a compound represented by the formula (1) is dissolved in an organic compound, and the composition is purified by using a basic adsorbent that contains at least 15% by mass magnesium and has a volume average particle diameter of 10 μm to 500 μm, both inclusive. An undercoat-layer-forming coating liquid is prepared by removing the basic adsorbent and dispersing metal oxide particles in the obtained solution containing the purified form of the composition. An undercoat layer is formed by forming a coat of the undercoat-layer-forming coating liquid and drying the coat. | 10-02-2014 |
| 20140377702 | PRODUCTION PROCESS OF ORGANIC PHOTORECEPTOR - Disclosed is a production process of an organic photoreceptor which can suppress occurrence of uneven density and image defects. The production process of an organic photoreceptor, the organic photoreceptor including an intermediate layer and an organic photosensitive layer on the intermediate layer, includes: applying a coating liquid for forming the intermediate layer to a conductive support to form a coating film, the coating liquid being obtained by dissolving a binder resin in a solvent and dispersing first and second metal oxide fine particles therein; and drying the coating film. The Pe number of the first metal oxide fine particles is two or more times larger than that of the second metal oxide fine particles. | 12-25-2014 |
| 20140377703 | PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - Provided is a process for producing an electrophotographic photosensitive member, the process including the steps of: preparing a dispersion liquid by dispersing particles each containing an electron transporting substance in an aqueous dispersion medium; forming the coat of the dispersion liquid on the support; and forming an undercoat layer by heating the coat at a temperature equal to or more than the melting point of the electron transporting substance. | 12-25-2014 |
| 20150086921 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing an electrophotographic photosensitive member in which leakage hardly occurs is provided. For this, in the method for producing an electrophotographic photosensitive member according to the present invention, a coating liquid for a conductive layer is prepared using a solvent, a binder material, and a metallic oxide particle having a water content of not less than 1.0% by mass and not more than 2.0% by mass; using the coating liquid for a conductive layer, a conductive layer having a volume resistivity of not less than 1.0×10 | 03-26-2015 |
| 20160026098 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - Provided is a method for producing an electrophotographic photosensitive member including an undercoat layer, the method including preparing a coating liquid for an undercoat layer containing: a titanium oxide particle; a polyol resin; a blocked isocyanate compound in which a structure represented by the formula (1) or the formula (2) is bonded to an isocyanate group; and a monohydric alcohol represented by the formula (3): | 01-28-2016 |
| 20160376285 | METHOD FOR PRODUCING CARBOXYLIC ACID ANHYDRIDE, METHOD FOR PRODUCING CARBOXYLIC IMIDE, AND METHOD FOR MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing a carboxylic acid anhydride includes heating a composition containing a specific compound in a solvent to yield the carboxylic acid anhydride. The solvent is an aprotic polar solvent having a boiling point of 50° C. or more. | 12-29-2016 |
| 430132000 | Applying overlayer | 4 |
| 20100209842 | ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND METHOD OF PREPARING THE PHOTORECEPTOR, AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE THEREFOR USING THE PHOTORECEPTOR - An electrophotographic photoreceptor, including at lest an electroconductive substrate and a photosensitive layer including at least a tri- or more functional radical polymerizing monomer having no charge transport structure and a monofunctional radical polymerizing compound having a charge transport structure, wherein the photosensitive layer includes radical polymerizing functional groups in an amount of from 2.55×10 | 08-19-2010 |
| 20110033798 | PHOTORECEPTOR OUTER LAYER AND METHODS OF MAKING THE SAME - The presently disclosed embodiments relate generally to layers that are useful in imaging apparatus members and components, for use in electrophotographic, including digital, apparatuses. Embodiments pertain to an improved electrophotographic imaging member comprising a very thin outer layer on the imaging member surface, where the outer layer comprises healing materials that act as a barrier against moisture and/or surface contaminants. The improved imaging member exhibits improved xerographic performance, such as reduced wear and deletions in high humidity conditions. Embodiments also pertain to methods for making the improved electrophotographic imaging member. | 02-10-2011 |
| 20110081610 | CORONA TREATMENT FOR INTERMEDIATE TRANSFER MEMBER OVERCOAT ADHESION - An intermediate transfer member substrate with an imageable seam overcoat and a process for preparing the intermediate transfer member substrate with an overcoat layer without an adhesive or primer layer is provided. | 04-07-2011 |
| 20140205946 | METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS - Provided is a method of producing an electrophotographic photosensitive member including a support and a surface layer formed on the support, the method including the steps of forming a coat of a surface-layer coating solution, and drying the coat to form the surface layer, in which the surface-layer coating solution includes resin α, resin β, solvent γ, and compound δ. | 07-24-2014 |
| 430133000 | Applying radiation-sensitive layer | 10 |
| 20080299484 | Photoreceptors - Methods for making dispersions, which are of various rheologies, various pigment/binder ratios, various particle sizes, and possess less impurities or large particles are provided. These dispersions may be utilized to form layers of photoreceptors. | 12-04-2008 |
| 20090023091 | METHOD FOR PREPARING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for preparing in high productivity and stably an electrophotographic photosensitive member having depressed portions on its surface, is provided. The method is characterized in that a coating liquid for a surface layer which includes a solvent including a hydrophilic solvent and a hydrophobic solvent and a polymer compound soluble in the hydrophobic solvent is used; the hydrophilic solvent has a boiling point equal to or higher than that of the hydrophobic solvent; the hydrophilic solvent has a dipole moment of 0 or more and less than 2.8, obtained by a structure optimized calculation using a semiempirical molecular orbital calculation; the total mass of the hydrophobic solvent is 50 mass % or more and less than 100 mass % of the total mass of the solvent included in the coating liquid for a surface layer; and after the coating liquid for a surface layer is applied, the depressed portions are formed by condensation on the surface on which the coating liquid for a surface layer is applied. | 01-22-2009 |
| 20090111044 | Process for preparing an electrophotographic imaging member - The presently disclosed embodiments are directed to imaging members for use in electrostatographic, including digital, apparatuses. More particularly, the embodiments pertain to processes for preparing the substrate of such imaging members that use laser technology. | 04-30-2009 |
| 20090197196 | IMAGING MEMBER AND METHODS OF FORMING THE SAME - The presently disclosed embodiments are directed to charge transport layers useful in electrostatography. More particularly, the embodiments pertain to an improved imaging member having a charge transport layer comprising a top layer and a bottom layer, wherein the layers have varying concentrations of high quality N,N,N′N′-tetra(4-methylphenyl)-(1,1′-biphenyl)-4,4′-diamine to provide tunable discharge rate. | 08-06-2009 |
| 20100143838 | SILVER HALIDE PHOTOGRAPHIC PHOTOSENSITIVE MATERIAL AND PRODUCTION METHOD THEREOF - Silver halide photographic photosensitive materials are disclosed. A silver halide photographic photosensitive material has a support, and on or above the support, a red-sensitive silver halide emulsion layer, a first interlayer, a green-sensitive silver halide emulsion layer, a second interlayer, and a blue-sensitive silver halide emulsion layer in this order from the support, wherein the first interlayer includes a chelating agent and another silver halide photographic photosensitive material has, in the following order, a support, and provided on or above the support, a first interlayer containing a chelating agent, a blue-sensitive silver halide emulsion layer, a second interlayer, a red-sensitive silver halide emulsion layer, a third interlayer, a green-sensitive silver halide emulsion layer, and a protective layer. | 06-10-2010 |
| 20110183255 | IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - A high-quality, stable image forming apparatus and method which are free from abnormal images, particularly afterimages, after prolonged repeated use by using a photoconductor a conductive substrate and a single-layered photosensitive layer which contains a charge generating material, an electron transporting material, a positive-hole transporting substance and a binder resin, wherein the charge generating material contains crystalline titanyl phthalocyanine, and the electron transporting material contains a compound represented by the following General Formula (1), | 07-28-2011 |
| 20130029266 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - The present invention provides a method for producing an electrophotographic photosensitive member including a surface layer, the method including the steps of: forming a coat for the surface layer on the support by applying a surface-layer coating solution and forming the surface layer by drying the coat, wherein the surface-layer coating solution includes a resin α, a resin β, a solvent γ and a compound δ. | 01-31-2013 |
| 20130316283 | PROCESS FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - To provide a process for producing an electrophotographic photosensitive member that can not easily cause any fog due to an increase in dark attenuation, a conductive layer is formed with use of a coating liquid for conductive layer prepared with use of a solvent, a binder material and metal oxide particles. The metal oxide particles (P) and binder material (B) in the coating liquid for conductive layer are in a mass ratio (P/B) of from 1.5/1.0 to 3.5/1.0. The metal oxide particle is a titanium oxide particle coated with tin oxide doped with phosphorus or tungsten. Where powder resistivity of the metal oxide particle is represented by x (Ω·cm) and powder resistivity of the titanium oxide particle as a core particle constituting the metal oxide particle is represented by y (Ω·cm), the y and the x satisfy the following relations (i) and (ii): | 11-28-2013 |
| 20140212807 | METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER - A method for producing an electrophotographic photosensitive member having a charge transporting layer, the charge transporting layer being a surface layer, the method including drying a coat of a charge-transporting-layer coating liquid to form the charge transporting layer, wherein the charge-transporting-layer coating liquid contains components (α), (β), (γ) and (δ), and when the solubility of the component (α) in 100 g of the component (γ) is defined as X(g) and the solubility of the component (α) in 100 g of the component (δ) is defined as Y(g), solubility X and solubility Y satisfy a relationship of X>Y. | 07-31-2014 |
| 20150037732 | METHOD FOR MANUFACTURING PHOTORECEPTOR LAYERS - The present teachings describe a process of forming a charge transport layer (CTL) coating dispersion. The process includes mixing a surfactant and a first organic solvent until the surfactant is completely solubilized. Fluoroplastic particles are added to the solubilized surfactant and first organic solvent while mixing to form a slurry. The slurry includes a particulate solid content of from about 5 weight percent to about 60 weight percent. The process includes mixing a base solution that includes a charge transport material, a binder, an antioxidant and a second organic solvent. The base solution is added to the slurry while mixing to form a CTL pre-mix dispersion. | 02-05-2015 |
