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WO/2006/028743A1 |
In a process for manufacturing an organic photoconductive drum there is sequentially formed on an electrically-conductive substrate that includes a cylindrical support of known weight the following layers: an optional dry undercoat layer...
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WO/2006/028232A1 |
An object of the present invention is to provide an electrophotographic photosensitive member having high durability and hardly causing sensitivity decrease even if short wavelength light, particularly light having a wavelength of 380 to...
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WO/2006/019190A1 |
A method for producing an electrophotographic photosensitive body for negative charging capable of enhancing adhesion between first and second layers without lowering the effect of reducing image defect while reducing total cost, an elec...
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WO/2006/017012A1 |
This invention relates to electrophotography and to amorphous condensation polymers comprising a polyester-co-imide, polyester-co-imide, polyesterionomer-co-imide, or polyamide-co-imide as a polymeric electrical charge barrier layer.
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WO/2006/016643A1 |
A magnetic one-component toner for developing an electrostatic latent image for use in a magnetic one-component jumping development system, wherein the photo-sensitizer thereof is a-Si photo-sensitizer having a film thickness of 30 μm o...
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WO/2006/009126A1 |
Disclosed is an electrophotographic photosensitive body which is excellent in wear resistance and electrical characteristics. Specifically disclosed is an electrophotographic photosensitive body containing a polyester resin in a photosen...
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WO/2006/005493A1 |
The invention relates to a method for applying a catalytic layer to a membrane in order to produce a membrane/electrode unit for a fuel cell, during which a catalytic coating material is provided in the form of an electrostatically activ...
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WO/2006/003897A1 |
This invention provides an electrophotographic photoreceptor, suitable for use in contact electrification devices, which does not suffer from drawbacks involved in conventional electrophotographic photoreceptors and can withstand printin...
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WO/2006/000389A1 |
The invention relates to the improvement of organic electroluminescent devices, especially blue-emitting devices, by using compounds of formula (1) as dopants in the emitting layer.
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WO/2005/121150A1 |
The invention relates to novel polymerisable thieno[3,2-b]thiophenes, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices like for example liquid, crystal displays, optical film...
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WO/2005/119373A1 |
An image forming method including a charging step, an exposure step, a development step using a development roller, a transfer step, a fixing step, and a cleaning step for removing the toner left on the surface of the photosensitive body...
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WO/2005/115970A1 |
Disclosed is a p-terphenyl compound represented by the following general formula (1) or (2). Also disclosed is a photosensitive body for electrophotography containing such a compound. This p-terphenyl compound provides a charge-transport...
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WO/2005/116777A1 |
An electrophotographic photoreceptor capable of outputting images having defects, such as ghost, inhibited even in an environment of high temperature and high humidity, and also having defects, such as ghost, attributable to long-term en...
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WO/2005/117443A2 |
A method for selecting a certificate for the authentication of an application associated with a distributor, the method comprising accessing (104) application metadata comprising an identifier (108) of the distributor and extracting (106...
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WO/2005/113638A1 |
Disclosed is a polycarbonate resin which enables to solve problems of conventional electrophotographic photosensitive members. Also disclosed is an electrophotographic photosensitive member using such a polycarbonate resin which is excel...
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WO/2005/114333A1 |
Toner is rounded by vigorously mixing less than about 5 percent by weight of particulate silica to the total weight of a starting toner in a closed, recirculating air system. The starting toner contains at least about 4.5 percent by weig...
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WO/2005/111728A2 |
The present invention is a method of selecting composite sheet materials for use in ultra-fast laser patterning of layers of organic thin film material such as OLEDs. The material is selected to accomplish patterning of upper layers with...
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WO/2005/109109A1 |
A composition comprising a mixture of at least one triphenylmethane compound and at least one tetraphenylmethane compound. One method of using the composition is as a charge control agent in a toner composition in an electrophotographic ...
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WO/2005/108348A1 |
An aromatic amine derivative having a specific structure comprising a substituted pyrene structure and a substituted diphenylamino group bonded thereto; an organic electroluminescent element comprising a cathode, an anode, and an organic...
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WO/2005/108335A1 |
A 1,6-substituted 3,8-dihalogenopyrene represented by the following general formula (2): (wherein R1 and R2 each independently represents (un)substituted C1-50 alkyl, (un)substituted C5-50 aryl, (un)substituted C7-50 aralkyl, (un)substit...
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WO/2005/103769A1 |
A contrast improving sheet disposed on the observation-side front surface of a display device, such as a rear projection display or a liquid crystal display, high in contrast and superior in directivity; and a rear projection screen havi...
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WO/2005/098546A2 |
The present invention relates to processes utilizing ionic liquids for the dissolution of various polymers and/or copolymers, the formation of resins and blends, and the reconstitution of polymer and/or copolymer solutions, and the disso...
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WO/2005/093520A1 |
An electrophotographic photoreceptor having a support and an organic photoreceptor layer in which, in order to constantly improve the following problems from initial to multi-sheet printing stages that especially become conspicuous when ...
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WO/2005/093519A1 |
An electrophotographic photoreceptor, comprising a cylindrical support body and an organic light-sensitive layer formed on the cylindrical support body. The peripheral surface of the electrophotographic photoreceptor is formed of the com...
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WO/2005/091742A2 |
Optical electrophotoconductor drums and electrophotoconductive tubes obtained via a direct chill metal casting apparatus for continuous or semi-continuous casting of metal (DC casting). In particular, casting of ingots of aluminum which ...
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WO/2005/092901A1 |
Disclosed is a novel compound suitable as an electron-transporting material for organic electronic devices. Also disclosed is an organic electronic device using such a compound which has higher sensitivity and longer life than convention...
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WO/2005/093518A1 |
An electrophotography photosensitive body hardly involving problems such as chartering and eversion of the cleaning blade and slide memory, a process cartridge having the electrophotography photosensitive body, and an electrophotograph a...
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WO/2005/090365A1 |
Organosilanes represented by the general formula (a): (T)k-SiX1X2X3 (a) wherein T is an organic group derived from a fused polycyclic hydrocarbon constituted of two to ten 5- and/or 6-membered monocyclic hydrocarbons; k is an integer of ...
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WO/2005/088403A1 |
A toner for electrostatic latent image development that is capable of avoiding toner adhesion to photoreceptor through maintaining of toner performance for a prolonged period of time or through appropriately regulating of toner conveyanc...
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WO/2005/088401A1 |
A photosensitive body for electrophotograph having a first region layer and a second region layer on a board. The first region layer and the second region layer are deposited and formed in different methods, and a middle layer is provide...
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WO/2005/088400A1 |
An electrophotographic photoreceptor that in an electrophotographic apparatus capable of realization of energy saving and high image quality, exhibits excellent potential characteristics and is capable of inhibiting deterioration of imag...
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WO/2005/085365A1 |
[PROBLEMS] To provide a phthalocyanine composition having high sensitivity and a reduced environment dependence. [MEANS FOR SOLVING PROBLEMS] The composition comprises both a phthalocyanine compound represented by the general formula (1)...
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WO/2005/082851A2 |
The present invention relates to compositions comprising compounds useful as electronic hole transport materials, and electronic device comprising at least one layer containing the compositions.
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WO/2005/083529A1 |
A method of developing in which even when the surface roughness (Rz) of development sleeve is altered and when use is made of an amorphous silicon photoreceptor, efficient flight of a magnetic one-component toner from the development sle...
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WO/2005/073814A1 |
An electrophotographic photoreceptor having an excellent repetition stability and an excellent environment characteristic and including a conductive substrate on which the defects are covered without marring its excellent electrophotogra...
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WO/2005/070688A1 |
The print engine is composed of a semiconductor memory layer overlaid on an insulated conductive layer with a one to one correspondence of each memory cell with the conductive pad on the insulated layer. The entire structure can be fashi...
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WO/2005/066718A1 |
An electrophotographic photoreceptor, which has excellent ghost suppressing effects and does not easily generate a ghost phenomenon even when it is mounted on a color electrophotographic device and an electrophotographic device not havin...
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WO/2005/064414A2 |
An electrophotographic photosensitive member superior in dot reproducibility and a process cartridge and an process cartridge having the electrophotographic photosensitive member are provided. Where in a light attenuation curve drawn in ...
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WO/2005/064415A1 |
An electrophotographic photoreceptor that without detriment to excellent electrophotographic performance, realizes coating of any defects on a conductive substrate and excels in repetition stability and environmental performance. There i...
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WO/2005/064416A1 |
An electrophotographic photoreceptor having an excellent repetition stability and an excellent environment characteristic and including a conductive substrate on which the defects are covered without marring its excellent electrophotogra...
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WO/2005/054957A1 |
An electrophotographic photoreceptor excelling in image stability and capable of realizing prolonged durability. There is provided an electrophotographic photoreceptor comprising a conductive support and, sequentially superimposed thereo...
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WO/2005/050329A1 |
A wet-developing electrography photoreceptor which has excellent durability and solvent resistance and is manufactured stably by using specific physical indices of an electron transporting agent and a binding resin is provided. A wet-dev...
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WO/2005/040933A1 |
An electrophotographic apparatus wherein a contact developing system has been employed as the developing system, which electrophotographic apparatus realizes reduction of toner fusion probability and reduction of output image fogging pro...
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WO/2005/036275A1 |
An electrophotographic photoreceptor that excels in not only electrical properties, such as sensitivity and photoresponse properties, but also abrasion resistance duration and that can prevent formation of flaw and density unevenness in ...
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WO/2005/033804A2 |
Disclosed herein is a method for preparing oxytitanium phthalocyanine as a charge generating material. The method comprises the steps of mixing 30˜100wt% sulfuric acid and an oxytitanium phthalocyanine crude in a mixing ratio between 10...
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WO/2005/033803A2 |
Disclosed herein are a method and an apparatus for preparing oxytitanium phthalocyanine as a charge generating material. The method comprises the steps of homogeneously mixing an oxytitanium phthalocyanine crude with an organic solvent w...
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WO/2005/031469A2 |
A toner that is applicable to low temperature fixing systems, excelling in both of anti-offsetting property and heat resistance storability and especially even when repeatedly used for a multiplicity of sheets over a prolonged period of ...
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WO/2005/029195A1 |
Disclosed herein is charge transport layer coating liquid and electrophotographic photoreceptor containing a charge transport layer made of the same liquid that can be used in printer, copying machine, facsimile or combined gadget thereo...
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WO/2005/024521A1 |
The invention provides a high-performance and long -lifetime electrophotographic photoreceptor which little causes chemical or electrical deterioration even after repeated use and can therefore retain excellent electrical characteristics...
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WO/2005/022270A1 |
An electrophotographic photoreceptor having high performances and an exceedingly long life. Even when repeatedly used, the photoreceptor is reduced in chemical or electrical deterioration and can retain excellent electrical properties. I...
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