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Matches 1 - 50 out of 54,114

Document Document Title
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...  
WO/2018/017816A1
One or more techniques and/or systems are disclosed for a luminescent film that can be used with a biometric imager, which can be used to scan biometric markers, and/or to interact with the device. Upon contacting a device surface, an im...  
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...  

Matches 1 - 50 out of 54,114