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WO/2012/121176A1 |
The purpose of the present invention is to provide: a charge-transporting substance having high resistance to stress occurring during an electrophotographic process; and an electrophotographic photosensitive body, an electrophotographic ...
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WO/2012/119485A1 |
Disclosed are a Y-modification titanium oxide phthalocyanine (TiOPc) nanoparticle having a particle diameter of 2 to 4 nm, and preparation method and applications thereof. The method comprises the following steps: mixing concentrated sul...
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WO/2012/118230A1 |
Provided are an electrophotographic photosensitive member in which leakage doesn't easily occur, a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member, and a method of manuf...
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WO/2012/118229A1 |
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 prep...
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WO/2012/115088A1 |
A polycarbonate copolymer, characterized in having a structure comprising repeating units according to general formula (100), the molar copolymer composition represented by Ar1/(Ar1+Ar2) being in the range of 50-67 mol%, the reduced visc...
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WO/2012/115650A1 |
A doped protective coating for extending a lifetime of an organic photoconductor is provided. The coating includes an in-situ cross-linked polymer matrix and a substantially uniformly distributed dopant therein. The dopant comprises a ch...
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WO/2012/110402A1 |
The invention relates to new trisazo compounds which can be used as pigments, for example as photoconductors in the charge-generating layer of an electrophotographic device, to processes for preparing them and to the use thereof in an el...
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WO/2012/111099A1 |
Provided is an electrophotographic photosensitive body exhibiting high transfer resistance and excellent memory properties and electronic properties. Also provided are a method for producing said electrophotographic photosensitive body, ...
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WO/2012/111672A1 |
Provided is an electrophotographic photoreceptor that exhibits high transfer resistance and excellent memory and electric properties. Also provided are a method for producing said electrophotographic photoreceptor, and an electrophotogra...
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WO/2012/099182A1 |
An electrophotographic photoconductor including: a conductive substrate; and at least a photoconductive layer on the conductive substrate, wherein an uppermost surface layer of the photoconductive layer includes a three-dimensionally cro...
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WO/2012/099181A1 |
An electrophotographic photoconductor including: a conductive substrate; and at least a photoconductive layer on the conductive substrate, wherein an uppermost surface layer of the photoconductive layer includes a three-dimensionally cro...
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WO/2012/096382A1 |
Provided are: an organic EL element material which is capable of improving luminous efficiency and element life in comparison to conventional organic EL element materials; and an organic EL element which uses the organic EL element mater...
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WO/2012/077206A1 |
Provided are an electrophotographic photoreceptor which satisfies sufficient wear resistance and various properties required of photoreceptors and which is less influenced by a harmful gas or by the temperature and humidity of the surrou...
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WO/2012/073970A1 |
Provided is a coating fluid which consists of a halogen-free coating fluid that contains a polycarbonate resin exhibiting excellent solubility in a solvent and which yields articles that exhibit such softness as to cause little cracking,...
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WO/2012/074082A1 |
An electrophotographic photosensitive member comprises a charge-transporting layer which is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having: a m...
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WO/2012/070472A1 |
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 pi...
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WO/2012/070663A1 |
In the case where an uneven structure is formed on the surface of cylindrical electrophotographic photosensitive members, for the purpose of reducing the variation of the uneven structure between the individual cylindrical electrophotogr...
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WO/2012/057350A1 |
Provided is an electrophotographic photosensitive member, including: a support; and a photosensitive layer, which is provided on the support, in which: a surface layer of the electrophotographic photosensitive member includes a terminal ...
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WO/2012/057349A1 |
An electrophotographic photosensitive member comprises a charge-transporting layer which is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having: a m...
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WO/2012/050143A1 |
The present invention is an electrophotographic photosensitive member including a charge-transporting layer as the surface layer of the electrophotographic photosensitive member having a matrix-domain structure including: a matrix includ...
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WO/2012/036295A1 |
To provide an electrophotographic photoconductor, which contains a layer containing a cured product obtained by crosslinking (i) a compound containing a charge-transporting group and three or more methylol groups, and (ii) a compound con...
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WO/2012/035944A1 |
An electrophotographic photosensitive member comprises a charge-transporting layer which is a surface layer of the electrophotographic photosensitive member; wherein the charge-transporting layer has a matrix-domain structure having: a m...
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WO/2012/025878A1 |
The invention relates to the use of zwitterionic molecules for forming a hole or electron transport layer. The preferred zwitterionic molecules of the invention are derivatives of p-benzoquinonemonoimines. The invention is useful in the ...
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WO/2012/014909A1 |
In order to provide an electrophotographic photosensitive member in which the dark-area potential does not easily change even when repeatedly used for a long period of time under a normal temperature/low humidity environment, a method of...
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WO/2012/015075A1 |
An electrophotographic photoconductor including a conductive support, a charge generating layer, a hole transporting layer, and a hole transporting-protective layer, these layers being laminated in this order on the conductive support, w...
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WO/2012/002516A1 |
An undercoat layer of an electrophotographic photosensitive member contains a polymer having a specific repeating structural unit in order to provide an electrophotographic photosensitive member that suppresses positive ghost, and a proc...
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WO/2012/002227A1 |
Disclosed is a novel compound useful as a charge transporting agent which has a high carrier mobility and with which a photosensitive layer can be stably formed without causing crystal deposition or pinhole formation during the formation...
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WO/2011/148827A1 |
Disclosed is a cleaning method which comprises a cleaning step wherein the upper surface (10a) and at least the upper surface (10a) of the outer peripheral surface (10b) of a work (10) are cleaned with an upper cleaning liquid (3) and th...
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WO/2011/145111A1 |
The present invention discloses a method for fabricating and integrating a micro/nano photoconductor using a photoconductor formulation especially suitable for thick film patterning. The photoconductor formulation comprises: an organic c...
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WO/2011/108064A1 |
Disclosed are: an electrophotographic photosensitive body which has sufficient wear resistance and satisfactory characteristics for photosensitive bodies, while being affected little by harmful gases or temperature/humidity conditions; a...
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WO/2011/092850A1 |
Disclosed is a photosensitive body for xerography which can maintain low frictional resistance on the surface of a photosensitive drum from initiation until after printing, reduce the amount of wear, and obtain quality images. Also discl...
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WO/2011/093410A1 |
Disclosed is a photosensitive body for xerography which can maintain low frictional resistance on the surface of a photosensitive drum from initiation until after printing, reduce the amount of wear, and obtain quality images. Also discl...
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WO/2011/081079A1 |
The present invention provides an electrophotographic photosensitive member having an a-SiC upper charge injection inhibition layer and an a-SiC surface layer, which is superior in adhesiveness, suppresses the surface deterioration, is s...
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WO/2011/074060A1 |
Disclosed is a toner which has a good balance between transfer efficiency and cleaning performance, excellent stress resistance, and a good balance between low-temperature fixing properties and fixed winding properties. Specifically disc...
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WO/2011/071093A1 |
The present invention provides an electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus, each of which has the electrophotographic photosensitive member. In the electrophotographic photos...
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WO/2011/071130A1 |
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 represente...
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WO/2011/067853A1 |
Provided are an electrophotographic photoreceptor which is excellent in a cleaning performance and a process cartridge and an electrophotographic device which have the electrophotographic photoreceptor. On the peripheral surface of the e...
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WO/2011/055756A1 |
Disclosed is a novel compound which has high carrier mobility and is useful as a charge-transporting agent that is not only capable of stably forming a photosensitive layer without suffering from crystal deposition or pinhole formation d...
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WO/2011/030881A1 |
A furan derivative represented by the following General Formula (1): where Ar1 and Ar2 each independently represent an aryl group which may have a substituent, and R1 represents a C1-C6 alkylene group.
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WO/2011/027911A1 |
An electrophotographic photosensitive member that can not easily cause charging lines even where it is an electrophotographic photosensitive member employing as a conductive layer a layer containing metal oxide particles is disclosed. Al...
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WO/2011/027912A1 |
An electrophotographic photosensitive member having a specific conductive layer and promising less variation in light-area potential and residual potential in reproducing images repeatedly, and a process cartridge and an electrophotograp...
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WO/2011/025061A1 |
An electrophotographic apparatus is provided including an electrophotographic photosensitive member which includes a surface protective layer; and an exposure device which irradiates a surface of the electrophotographic photosensitive me...
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WO/2011/013558A1 |
Disclosed is a novel compound useful as a carrier transporter, which has a high carrier mobility, ensures stable formation of a photosensitive layer without showing crystallization or pinhole formation in the course of the formation of t...
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WO/2010/150885A1 |
Disclosed is a polycarbonate copolymer which is characterized by having a structure that is composed of a repeating unit represented by formula (1), and which is characterized in that the molar copolymerization composition represented by...
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WO/2010/123132A1 |
An electrophotographic photosensitive member is provided in which both a long-term potential variation and a short-term potential variation are suppressed, and a process cartridge and an electrophotographic apparatus each having the elec...
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WO/2010/123045A1 |
An electrophotographic photosensitive member is disclosed which has a change layer consisting of five or more a-SiC intermediate layers, provided between an a-Si photoconductive layer and an a-SiC surface layer. Where two layers contiguo...
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WO/2010/123134A1 |
An electrophotographic photosensitive member is provided in which both a long-term potential variation and a short-term potential variation are suppressed, a method for producing the electrophotographic photosensitive member, and a proce...
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WO/2010/107130A1 |
An electrophotographic photoconductor having a photosensitive layer and a crosslinked resin surface layer over a support, wherein shapes of concaves and convexes in a surface of the electrophotographic photoconductor are measured by a su...
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WO/2010/106893A1 |
Disclosed is an electrophotographic photoreceptor comprising an electrically conductive base, an under coat layer, and a photosensitive layer laminated in this order, wherein a coating solution for the under coat layer, which is used for...
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WO/2010/104513A1 |
A method for making a photoconductor for electrophotography can comprise depositing a charge generating layer on an electrode; depositing a charge transfer layer on the charge generating layer, where a plurality of charge transfer molecu...
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