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Matches 1 - 50 out of 53,789

Document Document Title
WO/2018/003229A1
The present invention provides a photoreceptor for electrophotography and an electrophotography device having the same mounted therein with which it is possible to reduce wear on the surface of the photoreceptor and obtain an excellent i...  
WO/2017/208700A1
This electrophotographic photoreceptor (1) is provided with a conductive base material (2) and a photosensitive layer (3). The photosensitive layer (3) is of single-layered construction. The photosensitive layer (3) includes a charge gen...  
WO/2017/204339A1
A resin composition characterized by comprising a copolymer polycarbonate resin represented by general formula (1) and a polycarbonate resin containing a repeating unit represented by general formula (2), wherein the contained amount of ...  
WO/2017/203932A1
A photosensitive layer (3) of an electrophotographic photosensitive body (1) is a single layer-type photosensitive layer (3c) including a charge generating agent and an electron transport agent. The electron transport agent includes a co...  
WO/2017/203931A1
This electrophotographic photosensitive body (1) is provided with an electrically conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single layer-type photosensitive layer (3c) including a charge g...  
WO/2017/187838A1
An electrophotographic photoreceptor (1) is provided with a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single-layer photosensitive layer containing at least a charge-generating agent, an el...  
WO/2017/187847A1
An electrophotographic photoreceptor (1) is provided with a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) is a single-layer photosensitive layer. The photosensitive layer (3) contains at least a ch...  
WO/2017/187546A1
Provided are: an electrophotographic photosensitive body which is suppressed in the occurrence of image defects; and a method for producing this electrophotographic photosensitive body. Also provided are a process cartridge and an electr...  
WO/2017/170613A1
The present invention relates to the following: an electrophotographic photoreceptor that has a long life and excellent electrical and anti-friction properties due to the use of a polymer containing a structure represented by a specific ...  
WO/2017/170615A1
The present invention relates to a positively chargeable electrophotographic photoreceptor that has, on a conductive support, a single-layer type photosensitive layer which contains a binder resin, a compound (1) having a hole transport ...  
WO/2017/169174A1
This electrophotographic photosensitive body (1) is provided with a conductive base (2) and a photosensitive layer (3). The photosensitive layer (3) contains a charge generator and a compound represented by general formula (1). In genera...  
WO/2017/159727A1
This polycarbonate resin is characterized by: having a structure represented by general formula (1); and having a yellowness index (YI) of not higher than 30 when being in the form of a solid object.  
WO/2017/148864A1
Compounds of formula (I) and polymers comprising at least a structure of formula (II), wherein T1 or T2 are independently of each other a group of Formula (III), Formula (iv) Qa, Qb, Qc, Qd, Qe or Qf are independently of each other O, S ...  
WO/2017/145814A1
This quinone derivative is a compound represented by general formula (1). In general formula (1), R represents an optionally substituted alkyl group having 1-6 carbon atoms, an optionally substituted aryl group having 6-14 carbon atoms, ...  
WO/2017/145759A1
Provided is a quinone derivative represented by general formula (1). In general formula (1), R1 represents a group selected from the group consisting of an optionally substituted alkyl group having 1-8 carbon atoms, an aryl group that ha...  
WO/2017/141677A1
This electrophotographic photosensitive body (1) is provided with a conductive base (2) and a photosensitive layer (3). The photosensitive layer (3) is a single layer-type photosensitive layer, and contains at least a charge generator, a...  
WO/2017/138566A1
The present invention provides a triphenylamine derivative represented by general formula (1). (In the formula, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14 and R15 independently represent a hydrogen atom, a substituted or...  
WO/2017/109926A1
Provided are: an electrophotographic photoreceptor that makes it possible to achieve a stable image exhibiting little wear even when used over a long period of time; a method for producing the electrophotographic photoreceptor; and an el...  
WO/2017/110300A1
Provided are: an electrophotographic photoreceptor that makes it possible to achieve a stable image exhibiting little wear even when used over a long period of time; a method for producing the electrophotographic photoreceptor; and an el...  
WO/2017/104849A1
A bischloroformate composition characterized by being represented by general formula (1) and comprising a plurality of Ar components, and in that the average number of monomers (m1) obtained by the equation (Eq. 1) is 1.0 to 1.99 inclusi...  
WO/2017/104116A1
Provided are an electrophotographic photoreceptor having satisfactory abrasion resistance and electrical properties and capable of suppressing image deletion, an electrophotographic device having the electrophotographic photoreceptor, an...  
WO/2017/091026A1
Provided are: a charging member capable of maintaining a stable charging characteristic over a long period of time even if only a direct current voltage is applied, and capable of achieving high quality in an output image; and an electro...  
WO/2017/072972A1
Provided are a photoreceptor for electrophotography, a method for manufacturing the same, and an electrophotography device, the photoreceptor having high sensitivity, low residual potential, and no optical fatigue, and having adequate co...  
WO/2017/073176A1
This electrophotographic photosensitive body is provided with a conductive body and a photosensitive layer. The photosensitive layer contains a charge generating agent, a charge transporting agent and a binder resin. The binder resin con...  
WO/2017/069420A1
A photoreceptor is disclosed. The photoreceptor comprises a photosensitive layer, and a protective layer formed on the photosensitive layer, wherein the protective layer comprises a urethane oligomer acrylate and a modified perfluoropoly...  
WO/2017/061476A1
An electrophotographic photoreceptor (101) is provided with a conductive base (102), and a photosensitive layer (103). The photosensitive layer (103) contains at least a charge generating agent, a binder resin, and an additive. The addit...  
WO/2017/018124A1
The present invention relates to an electrophotographic photoreceptor manufacturing method, an image forming device manufacturing method, and an electrophotographic photoreceptor manufacturing device which are capable of achieving excell...  
WO/2017/019087A1
An electrophotographic imager includes a photoconductive element, a charger, and a light source to expose areas of a charged surface of the photoconductive element to form a latent image. A development element is coupled relative to the ...  
WO/2017/002951A1
The present invention relates to: an electrophotographic photosensitive body which is capable of achieving excellent durability characteristics and less image defects; an image forming apparatus; and an apparatus for producing an electro...  
WO/2016/199283A1
Provided are: an electrophotographic photosensitive body which has sufficient contamination resistance and satisfies various characteristics required for electrophotographic photosensitive bodies, while being less affected by the tempera...  
WO/2016/194223A1
Provided are an electrophotographic photoreceptor which even in long-term use, gives images having no defects and has excellent wear performance, a process for producing the photoreceptor, and an electrophotographic device. The electroph...  
WO/2016/184388A1
A solution-processable material for the fabrication of optical reflector and organic memory device is disclosed having a donor–acceptor system consisting of a boron (III) moiety as the electron acceptor unit. More specifically, describ...  
WO/2016/159244A1
This positively chargeable single-layer electrophotographic photosensitive body (1) is provided with a photosensitive layer (3). The photosensitive layer (3) contains a polycarbonate resin, a compound represented by general formula (I), ...  
WO/2016/152937A1
The present invention provides an electrophotographic photoreceptor having excellent wear resistance against practical loads and excellent electrical characteristics. The present invention relates to an electrophotographic photoreceptor ...  
WO/2016/148035A1
The present invention provides: a single-layer-type electrophotographic photoreceptor for positive electrification which, even when exposed to ozone, is stable and decreases little in initial electrification characteristics, while retain...  
WO/2016/136922A1
A polycarbonate resin characterized by being represented by the following general formula (a).  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2015/125026A3
A photoconductor and method of forming a photoconductor for an electrophotographic device comprising forming a charge generation material comprising a plurality of quantum dots, and forming an active region comprising one or more photoco...  

Matches 1 - 50 out of 53,789