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WO/2016/121231A1 |
This electrophotographic photosensitive body (20) comprises a supporting body (20a) and a photosensitive layer (20b) that is formed on the surface of the supporting body (20a). The surface of the photosensitive layer (20b) has an arithme...
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WO/2016/098682A1 |
An electrophotographic photoreceptor which has extremely good wear resistance while maintaining the residual electric potential, a cartridge which uses said electrophotographic photoreceptor, and an image forming device are provided. Thi...
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WO/2016/084901A1 |
The present invention provides an electrophotographic photoreceptor, a cartridge, and an image forming apparatus, wherein the electrical potential change following strong light exposure of the photoreceptor is suppressed and wherein the ...
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WO/2016/076298A1 |
The present invention provides: a single-layer type electrophotographic photoreceptor for positive electrification which retains charging characteristics and can attain an extremely low residual potential and high sensitivity and which g...
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WO/2016/068113A1 |
This image forming device (1) comprises a photosensitive drum (50), a cleaning blade (81), and a drive mechanism (90). The cleaning blade (81) is pressed in contact with the circumferential surface of the photosensitive drum (50). The dr...
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WO/2016/068036A1 |
This image forming device (1) comprises an image bearing body (50), an electrostatic charging unit (51), a developing unit (52), and a cleaning member (81). The image bearing body (50) includes filler particles (87). The electrostatic ch...
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WO/2016/052755A1 |
In an electrophotographic photosensitive member, a circumferential surface has concave portions that are independent one another; each of the concave portions has an opening, a contour of the opening has an apex having an angle a of more...
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WO/2016/041598A1 |
In an example implementation, a method of cleaning a silicon photoconductor includes contacting the silicon photoconductor with a base-peroxide solution, rinsing the silicon photoconductor with a liquid, and heating the silicon photocond...
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WO/2016/021161A1 |
In the electrophotographic photosensitive member of the present invention, a plurality of convex portions having a longest diameter L1 in the generatrix direction of the electrophotographic photosensitive member of 30 μm or more and a h...
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WO/2015/190609A1 |
Provided is a coating solution for use in the production of an electrophotographic photoreceptor, which can exhibit excellent dispersion stability without carrying out an additional operation such as re-dispersion even when a particulate...
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WO/2015/189980A1 |
Provided is an electrophotographic photosensitive body which is suppressed in black spots and fog and is capable of outputting images that are suppressed in density unevenness that is caused by coating unevenness of a charge generation l...
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WO/2015/174533A1 |
A polycarbonate copolymer characterized by having a repeating unit (A) represented by general formula (1), wherein the chain end of the polycarbonate copolymer is capped with a monovalent aromatic group or a monovalent fluorine-containin...
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WO/2015/147315A1 |
To provide an electrophotographic photosensitive member which satisfies abrasion resistance and electrical properties and which is difficult to cause image deletion. A surface layer of the electrophotographic photosensitive member of thi...
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WO/2015/125318A1 |
Provided are an electrophotographic photosensitive member and an image formation device using the same that are capable of preventing the formation of an interference fringe pattern without negatively influencing electrical characteristi...
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WO/2015/114819A1 |
The purpose of the present invention is to provide an electrophotographic photoreceptor having high sensitivity, low residual potential, and no optical fatigue, and a method for manufacturing the electrophotographic photoreceptor. Disclo...
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WO/2015/112158A1 |
A photoconductor and method of forming a photoconductor comprising forming a charge generation material comprising a plurality of quantum dots, and forming an active region comprising one or more photoconductor layers comprising the char...
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WO/2015/111589A1 |
The object of the present invention is to provide: a method for manufacturing an electrophotographic photoreceptor in which voids are not formed even under repeated use in an environment of high heat and high humidity; an electrophotogra...
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WO/2015/108367A1 |
The present invention relates to an organic photosensitive drum for electro-photography and a manufacturing method therefor. The manufacturing method is a method for manufacturing an organic photosensitive drum for electro-photography, w...
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WO/2015/099482A1 |
Disclosed are an asymmetric butadiene-based charge transport compound represented by any one of general formulae (1) and (1') set forth in claim 1; an electrophotographic photoreceptor containing the same as a charge transport material; ...
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WO/2015/099191A1 |
An undercoat layer of an electrophotographic photosensitive member contains a binder resin and conductive particles. Each of the conductive particles has a core particle coated with tin oxide doped with aluminum.
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WO/2015/097903A1 |
Provided are an electrophotographic photoreceptor, a method for manufacturing the electrophotographic photoreceptor and an electrophotographic device capable of acquiring favorable images over a long period of time by further reducing th...
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WO/2015/076606A1 |
Disclosed is a charging member which can maintain stable charging properties for a long time even if only direct current voltage is applied. One embodiment of a charging member of the present disclosure provides a charging member compris...
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WO/2015/048164A1 |
Coding systems may include an object and a taggant linked to the object, the taggant comprising one or more types of phase change nanoparticles, each type of phase change nanoparticles having a phase change temperature different from a p...
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WO/2015/030085A1 |
A photosensitive layer comprises: a phthalocyanine crystal in which a urea compound is contained. The urea compound has one or more urea moieties comprising: a carbonyl group, or a thiocarbonyl group, and two nitrogen atoms. Each of the ...
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WO/2015/031242A1 |
The present invention provides charge transporting molecular glass mixtures, luminescent molecular glass mixtures, or combinations thereof comprising at least two nonpolymeric compounds each independently corresponding to the structure (...
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WO/2015/016385A1 |
A toner is provided, where good cleanability is exhibited, abrasion variations of the photo conductor surface is reduced, and contamination of a charge member is reduced. The toner includes toner particles and organic- inorganic composit...
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WO/2015/016868A1 |
The present disclosure is drawn to apparatuses and methods that include a coated photoconductive substrate. The coated photoconductive substrate can include a photoconductive substrate with a charge generation layer and a charge transpor...
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WO/2015/015035A1 |
The invention relates to a method for producing covalent organic frameworks (COF) comprising a plurality of sub-units of amines and aldehydes. Said method involves the formation of polyimines by means of condensation reactions. The inven...
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WO/2015/008323A1 |
The purpose of the present invention is to provide a photosensitive body for electrophotography, a method for manufacturing the same, and a electrophotography device, said photosensitive body having: excellent resistance to contamination...
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WO/2015/008322A1 |
The purpose of the present invention is to provide a high-sensitivity, high-speed-response, high-durability photosensitive body for electrophotography used in a high-resolution, high-speed-response, positive-charge electrophotography dev...
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WO/2015/008710A1 |
The purpose of the present invention is to provide a high-sensitivity, high-speed-response, and high-durability photosensitive body for electrophotography used in a high-resolution, high-speed, positive-charge electrophotography device, ...
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WO/2015/008711A1 |
The purpose of the present invention is to provide a photosensitive body for electrophotography, a method for manufacturing the same, and an electrophotography device, said photosensitive body having excellent contamination resistance to...
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WO/2015/005442A1 |
An electrophotographic photoreceptor in which at least a photosensitive layer is formed on an electrically conductive support, said electrophotographic photoreceptor being characterized in that the photosensitive layer contains a polyary...
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WO/2014/192840A1 |
The present invention provides an electrophotographic photosensitive member comprising a support, and a photosensitive layer formed on the support, wherein the photosensitive layer contains a phthalocyanine crystal in which a 4-piperidon...
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WO/2014/192633A1 |
This polycarbonate copolymer is characterized by having a repeating unit represented by general formula (1) and a repeating unit represented by general formula (2), and the repeating unit represented by general formula (1) being formed u...
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WO/2014/178258A1 |
The present invention provides an electrophotographic photosensitive member which includes a support, an undercoat layer formed on the support, a photosensitive layer formed on the undercoat layer, and the undercoat layer contains metal ...
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WO/2014/171338A1 |
The present invention provides an electrophotographic photosensitive member which includes an undercoat layer, and the undercoat layer contains metal oxide particles and a compound represented by the formula (1).
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WO/2014/157115A1 |
An electrophotographic photosensitive body which has at least a photosensitive layer on a conductive support, and wherein the photosensitive layer contains a compound represented by formula (1) and a charge transporting substance represe...
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WO/2014/153648A1 |
The invention provides organoboron precursors and facile photoirradiation and/or heating methods of making corresponding elimination products. Some elimination products are polycyclic aromatic molecules wherein a number of aromatic C-C m...
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WO/2014/148579A1 |
An electrophotographic photoreceptor having at least a photosensitive layer upon a conductive substrate and wherein the photosensitive layer is a laminate having a charge transport layer and a charge generation layer. The charge transpor...
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WO/2014/142844A1 |
An organic coating is formed on a surface of an organic photoconductor (OPC), wherein the coating includes a hole transport material. The hole transport material is a polyfluorene salt soluble in a lower alkyl alcohol or water or both. M...
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WO/2014/142215A1 |
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 la...
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WO/2014/136987A1 |
Provided are an electrophotographic photosensitive member which satisfies wear resistance and electrical characteristics, and in which image deletion is satisfactorily suppressed, and a process cartridge and an electrophotographic appara...
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WO/2014/118832A1 |
Uneven charging is improved and the occurrence of banding in an image caused by a slip between a charging member and an electrophotographic photosensitive body is suppressed. An electrophotographic process cartridge which comprises a cha...
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WO/2014/115201A1 |
Provided is a process cartridge for which favorable image output is possible and that suppresses the generation of a banding image that arises when an electrophotography photoreceptor and a charging member come into contact and rotate. T...
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WO/2014/092033A1 |
Provided are an electrophotographic photosensitive member capable of outputting an image having less image defects due to the ghost phenomenon not only under a normal-temperature and normal-humidity environment but also under a low-tempe...
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WO/2014/092194A1 |
The photosensitive layer of an electrophotographic photosensitive member contains a phthalocyanine crystal in which a compound represented by the following formula (1) is contained:
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WO/2014/084149A1 |
The present invention relates to an electrophotographic photosensitive member including an undercoat layer containing metal oxide particles, a binder resin, and an organic acid metal salt having at least one metal element selected from t...
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WO/2014/084177A1 |
The purpose of the present invention is to provide an electrophotographic photoreceptor in which the surface layer does not easily become thinner even with use of the electrophotographic photoreceptor and which can prevent occurrences of...
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WO/2014/081046A1 |
An image forming device, which forms an electrostatic image on an electrophotographic photoreceptor by utilizing, as a means of expressing gradations, at least a pseudo-halftone process in which gradations are formed by dots, wherein: mu...
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