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Matches 1 - 50 out of 54,612

Document Document Title
WO/2019/180955A1
Provided are: a photosensitive body for electrophotography, which enables the achievement of stable images without deterioration of image quality such as black spots due to a charge generation material; a method for producing this photos...  
WO/2019/159342A1
The present invention provides: an electrophotographic photoreceptor which, even when a protective layer is provided on a photosensitive layer, shows a high sensitivity and a low residual potential, has an excellent anti-frictional perfo...  
WO/2019/150368A1
A method of preparing non-conductive coated pigment particles for use in liquid crystal applications. A dispersion is prepared of a pigment such as carbon black in a solution comprising a first solvent and a surfactant. The dispersion is...  
WO/2019/142653A1
Provided are a photosensitive body for electrophotography, a manufacturing method for the same, and an electrophotographic device that are for preventing: the occurrence of ghost images in low-temperature, low-humidity and high-temperatu...  
WO/2019/142608A1
Provided are an electrophotographic photoreceptor in which a combination of a charge generation material and an electron transportation material is improved, a method for manufacturing the electrophotographic photoreceptor, and an electr...  
WO/2019/142342A1
Provided are: an electrophotographic photoreceptor in which a combination of a charge generation material and an electron transportation material is improved, whereby it is possible to obtain a stable print density in diverse environment...  
WO/2019/135763A1
An example method of printing images in an electrophotographic printer is provided. The method includes developing a first image on a first portion of an intermediate transfer member by receiving a first sequence of color separations fro...  
WO/2019/090462A1
Polymeric charge transfer layer compositions suitable for organic layers of electronic devices that show increased luminous efficiency.  
WO/2019/077705A1
Provided are a high-precision electroconductive support body and a method for manufacturing the same, an electrophotographic photoreceptor with which high image quality is obtained by using the electroconductive support body, and an elec...  
WO/2019/077706A1
Provided are: a photosensitive body for electrophotography, which is provided with a photosensitive layer that contains an electron transport material, and which has high pressure resistance, while being suppressed in the occurrence of l...  
WO/2019/070003A1
The present invention pertains to an electrophotographic photoreceptor having a photosensitive layer on an electroconductive support body, wherein the photosensitive layer contains a polymer A that includes a repeating structure unit exp...  
WO/2019/069913A1
The present invention provides an electrophotographic photoreceptor which suppresses generation of a positive ghost image under a low-temperature and low-humidity environment while suppressing generation of cracks under a high-temperatur...  
WO/2019/058789A1
This electrophotographic photosensitive body is provided with a conductive substrate and a photosensitive layer. The photosensitive layer is composed of a single layer. The photosensitive layer contains at least a charge generator and a ...  
WO/2019/017160A1
A single photosensitive layer of this electrophotographic photoreceptor comprises a charge generating agent, a hole transport agent, an electron transport agent, and a binder resin. The charge generating agent is a phthalocyanine pigment...  
WO/2019/017336A1
This compound is represented by general formula (1). In general formula (1), R1 and R2 each independently denote a hydrogen atom, a methyl group or an ethyl group, and the sum of the number of carbon atoms in the group denoted by R1 and ...  
WO/2018/230110A1
Provided is an electrophotographic photoreceptor (1) having a conductive substrate (2) and a photosensitive layer (3), wherein the photosensitive layer (3) is a single layer and contains a charge generating agent, a hole transport agent,...  
WO/2018/230100A1
Provided is a method for producing an electrophotographic photoreceptor comprising: a first step in which a conductive substrate material containing aluminum or an aluminum alloy is immersed in alkaline ionized water and taken out from t...  
WO/2018/211844A1
This compound is represented by general formula (1). In general formula (1), R1 and R2 are each independently an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 6 carbon atoms, an aryl group having 6 to 14 carbon atom...  
WO/2018/198590A1
An electrophotographic photosensitive body (1) includes a conductive substrate (2) and a single photosensitive layer (3). The photosensitive layer (3) contains a charge generating agent, a hole transport agent, an electron transport agen...  
WO/2018/198496A1
An electrophotographic photoreceptor (1) is provided with an electrically conductive base (2) and a photosensitive layer (3). The photosensitive layer (3) has a charge generation layer (3a) and a charge transport layer (3b). The charge g...  
WO/2018/179658A1
This electrophotographic photoreceptor (1) is provided with: a conductive base body (2); and a photosensitive layer (3) that is directly or indirectly disposed on the conductive base body (2). The photosensitive layer (3) has a charge ge...  
WO/2018/169021A1
The present invention addresses the problem of providing an electrophotographic photoreceptor which is manufactured using a polymer having excellent electrical properties and excellent surfactant functions including fluororesin dispersib...  
WO/2018/163597A1
This electrophotographic photosensitive body (100) is provided with a conductive substrate (101) and a single photosensitive layer (102). The photosensitive layer (102) contains at least a charge generating agent and a compound represent...  
WO/2018/159643A1
The purpose of the present invention is to provide a positively chargeable electrophotographic photosensitive body which has high sensitivity, low residual potential and excellent chargeability. The present invention relates to a positiv...  
WO/2018/154739A1
Provided are: an electrophotographic photoreceptor that makes it possible to stably obtain high image quality in all environments, while preventing the occurrence of small black dots and colored spots during initial printing in a high-te...  
WO/2018/154740A1
Provided are an electrophotographic photoreceptor, a method for manufacturing the same, and an electrophotographic device using the same, wherein even when the electrophotographic photoreceptor is provided in a monochrome high-speed mach...  
WO/2018/150693A1
The present invention provides, at low cost, an electrophotographic photoreceptor having high sensitivity, excellent abrasion resistance, and excellent lightfastness and repeated potential stability, a method for manufacturing the same, ...  
WO/2018/146974A1
Provided is an electrophotography photoreceptor comprising an electrically conductive substrate and a photosensitive layer. The photosensitive layer is a single layer. The photosensitive layer contains a charge generating agent, a positi...  
WO/2018/139555A1
The purpose of the present invention is to provide an electrophotographic photoreceptor capable of suppressing a rise in potential even when fluororesin is used for a charge transport layer, and further capable of achieving both electric...  
WO/2018/139151A1
This electrophotographic photosensitive body (1) is provided with a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single layer type photosensitive layer. The photosensitive layer (3) contains ...  
WO/2018/123424A1
This electrophotographic photosensitive body (1) is provided with a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single layer-type photosensitive layer (3c) comprising a charge-generating age...  
WO/2018/123425A1
This electrophotographic photosensitive body (1) is provided with a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single layer-type photosensitive layer (3c) comprising a charge-generating age...  
WO/2018/124244A1
The present invention relates to an electrophotographic photoreceptor that excels in durability and with which it is possible to suppress the occurrence of image abnormality even when repeatedly used a number of times, and an image formi...  
WO/2018/124243A1
The present invention relates to an electrophotographic photoreceptor with which it is possible to suppress the occurrence of abnormality such as peeling-off or falling-off of a film from a substrate end in a surface layer deposition sta...  
WO/2018/116960A1
A polycarbonate copolymer which is characterized by having a repeating unit A that contains a group represented by general formula (1A). In general formula (1A), each of Ar1 and Ar2 independently represents a monovalent or divalent aroma...  
WO/2018/110091A1
A polyarylate resin represented by general formula (1). In general formula (1), r represents an integer of 10-70. s represents an integer of 30-90.  
WO/2018/100813A1
An electrographic photoreceptor (1), provided with an electroconductive base (2) and a photosensitive layer (3). The photosensitive layer is provided with a charge generation layer (3a) and a charge transportation layer (3b). The charge ...  
WO/2018/092418A1
This polyarylate resin is represented by general formula (1) below. In general formula (1), R1, R2, R3, and R4 each independently represent a hydrogen atom or methyl group. r and s represent an integer of 0-49. t and u represent an integ...  
WO/2018/079117A1
An electrophotographic photosensitive body (100) is provided with a conductive base (101) and a photosensitive layer (102). The photosensitive layer (102) is a single layer. The photosensitive layer (102) includes a charge generating age...  
WO/2018/079118A1
A polyarylate resin includes repeating units represented by general formula (1) and repeating units represented by general formula (2). In general formulae (1) and (2), R1 represents a hydrogen atom or a methyl group. In general formula ...  
WO/2018/079038A1
An electrophotographic photosensitive body (1) is provided with a conductive base (2) and a photosensitive layer (3). The photosensitive layer is a single layer type photosensitive layer (3c). The photosensitive layer includes a charge g...  
WO/2018/061368A1
An electrographic photoreceptor (1) is provided with an electroconductive base (2) and a photosensitive layer (3). The photosensitive layer (3) is a single-layer photosensitive layer. The photosensitive layer (3) includes a charge-genera...  
WO/2018/061542A1
An electrophotographic photoreceptor (100) is provided with an electroconductive substrate (101) and a single photosensitive layer (102). The photosensitive layer contains a charge generating agent, a hole transport agent, and two or mor...  
WO/2018/062518A1
The purpose of the present invention is to provide: an electrophotographic photoreceptor having a charge transport layer that has excellent electrical characteristics and adhesion, while manifesting satisfactory wear resistance indispens...  
WO/2018/056326A1
The purpose of the present invention is to provide an electrophotographic photoreceptor that contains a polyester resin having excellent wear resistance and thereby excels in wear resistance to a practical load and in initial electrical ...  
WO/2018/030041A1
Provided is an electrophotographic photosensitive body including: a photoconductive layer formed of hydrogenated amorphous silicon on a conductive support; and a surface layer formed of hydrogenated amorphous silicon carbide or hydrogena...  
WO/2018/026357A1
Barrier members for use in an electrographic printer are described. The barrier member has a first layer including thermally insulating particles embedded in a polymer composition, and a second layer including a thermally conductive meta...  
WO/2018/020914A1
An image-forming device is provided with: an image carrier (51) that has a plurality of recessed sections (32a) on the surface thereof, and rotates; and a polishing means (54) disposed downstream of a transfer means (47) and upstream of ...  
WO/2018/017074A1
A photo-conductor drum includes: a cylindrical surface to receive a charge pattern corresponding to an image to be printed; and a protective layer of material coating at least a portion of the cylindrical surface to protect the cylindric...  
WO/2018/016156A1
Provided are: a photosensitive body for electrophotography, which enables the achievement of a stable print density even in a low temperature environment by suppressing decrease in the print density caused by potential variation of a pho...  

Matches 1 - 50 out of 54,612