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| Number | Title | Issue Date |
| RE42189 | Single-layer type electrophotosensitive material and image forming apparatus using the same The present invention provides a single-layer type electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the conductive substrate, wherein the photosensitive layer contains a phthalocyanine compound as an electric char... | 03/01/2011 |
| 7364612 | Printing ink, and decorated sheet obtained using the same The invention provides a printing ink for printing on a decorated sheet for application to integral molding of synthetic resin, which is less capable of curling the decorated sheet and less susceptible to run during molding. The printing ink comprises a compound hav... | 04/29/2008 |
| 7358014 | Electrophotographic organophotoreceptors with novel charge transport compounds A novel charge transport compound, a novel process using that novel compound and an organophotoreceptor includes: (a) a novel charge transport compound having the formula | 04/15/2008 |
| 7351624 | MIS semiconductor device and method of fabricating the same The invention is concerned with the fabrication of a MIS semiconductor device of high reliability by using a low-temperature process. Disclosed is a method of fabricating a MIS semiconductor device, wherein doped regions are selectively formed in a semiconductor sub... | 04/01/2008 |
| 7316877 | Bisazo-based charge transport materials having 4-oxo-2,5-cyclohexadiene-1-ylidenyl groups Improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (c) a charge transport material having the ... | 01/08/2008 |
| 7294538 | Method of polycrystallization, method of manufacturing polysilicon thin film transistor, and laser irradiation device therefor A device for irradiating a laser beam onto an amorphous silicon thin film formed on a substrate. The device includes: a stage mounting the substrate; a laser oscillator for generating a laser beam; a projection lens for focusing and guiding the laser beam onto the t... | 11/13/2007 |
| 7291430 | Imaging members A member including for example, a substrate, a charge blocking layer, an optional adhesive layer, a charge generating layer comprising particles comprising a photogenerating layer of for example, chlorogallium phthalocyanine dispersed in a matrix comprising a charge... | 11/06/2007 |
| 7291433 | Poly(hydrazone)-based charge transport materials An improved organophotoreceptor comprises an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising: (a) a charge transport material comprisi... | 11/06/2007 |
| 7270927 | Non-halogenated polymeric binder A non-halogenated binder material, such as for an electrophotographic imaging member binder, includes a copolymer of vinyl acetate and vinyl acid. ... | 09/18/2007 |
| 7192677 | Electrophotographic photoconductor An electrophotographic photoconductor including an electroconductive support and a photoconductive layer formed thereon, which contains a phthalocyanine pigment and a disazo pigment of formula (I): wherein A and ... | 03/20/2007 |
| RE39516 | Single-layer type electrophotosensitive material and image forming apparatus using the same The present invention provides a single-layer type electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the conductive substrate, wherein the photosensitive layer contains a phthalocyanine compound as an electric char... | 03/13/2007 |
| 7186490 | Photosensitive material, electrophotographic photoreceptor using the material, and electrophotographic image forming method and apparatus using the photoreceptor A titanyl phthalocyanine crystal having an X-ray diffraction spectrum having a plurality of diffraction peaks in which a maximum diffraction peak is observed at a Bragg (2 θ) angle of 27.2°±0.2° and a diffraction peak is observed at a lowest Bragg (2θ) angle of... | 03/06/2007 |
| 7153621 | Electrophotographic photoreceptor and image forming apparatus using the photoreceptor An electrophotographic photoreceptor including a photosensitive layer on an electroconductive substrate, wherein nitrate ion is present on the surface of the photosensitive layer in an amount of from 50 to 300 μg per 1 m2 of the surface of the photosensi... | 12/26/2006 |
| 7136275 | Polymeric dielectric material for high-energy density capacitors The present invention includes a dielectric. The dielectric includes a polymer that has a high dielectric constant. The polymer includes polarizable species. The present invention also includes an embedded capacitor, and an IC package made with the dielectric. ... | 11/14/2006 |
| 7101648 | Image forming method and image forming apparatus An image forming method is disclosed, in which a toner image on an organic photoreceptor developed by a two-component is primarily transferred to an intermediate transferring member, and secondarily transferred to a recording material, and a toner remained on the or... | 09/05/2006 |
| 7097950 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus An electrophotographic photosensitive member capable of outputting an image in which a defect such as a ghost is suppressed even in a high-temperature-and-high-humidity environment, and in which a defect such as a change in density due to an abrupt change in light-a... | 08/29/2006 |
| 7074539 | Organic photoreceptor and image forming method An electrophotographic photoreceptor is disclosed. The charge transport material comprising a mixture of stereoisomers as a charge transport material and glass transition point Tgb of the binder resin of the charge transport layer and glass transition point Tgl of t... | 07/11/2006 |
| 7056632 | Solution-coatable, three-component thin film design for organic optoelectronic devices An organic optoelectronic device includes a solution coatable thin film having a hole transporting material, an electron transporting material, and a photogenerating component uniformly dispersed therein. The thin film is about 0.2 microns or less, and can be spin-c... | 06/06/2006 |
| 7022446 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus An electrophotographic photosensitive member having a surface layer containing at least one of a charge-transporting material and conductive particles and a polymer obtained by polymerizing at least one selected from the group consisting of a polyhydroxymethylbisphe... | 04/04/2006 |
| 6960417 | Electrophotographic photoconductor An electrophotographic photoconductor including an electroconductive support and a photoconductive layer formed thereon, which contains a phthalocyanine pigment and a disazo pigment of formula (I): wherein A and B are ... | 11/01/2005 |
| 6949321 | Double-layered positively-charged organic photoreceptor A double-layered positively-charged organic photoreceptor has a charge transport layer with effective adhesion to an electroconductive support and effective resistance against dissolving when in contact with a hydrocarbon-based solvent of a wet developer. Therefore,... | 09/27/2005 |
| 6946225 | Electrophotographic element protected from photofatigue induced by visible light A multi-active electrophotographic charge generation element comprises a conductive support, a charge generation layer (CGL) disposed on the conductive support, and a charge transport layer (CTL) disposed on the charge generation layer. The charge generation layer (... | 09/20/2005 |
| 6946227 | Imaging members A photoconductive imaging member containers of a supporting substrate, and thereover a single layer comprised of a mixture of a photogenerator component, a charge transport component, an electron transport component, and a polymer binder, and wherein the photogenera... | 09/20/2005 |
| 6933091 | Photoconductor for electrophotography and quinomethane compound A highly sensitive positively charged type electrophotographic photoconductor includes an organic compound that transports electrons efficiently, improving light emission efficiency. The photoconductor is used in an electrophotographic drum, an electrophotographic c... | 08/23/2005 |
| 6933034 | Data storage media containing transparent polycarbonate blends The invention relates to transparent blends of polymers suitable for use in optical articles; the polymers contain residues of BCC and its derivatives, and have properties particularly suited for use in high density optical data storage media. The polymers further c... | 08/23/2005 |
| 6919155 | Organic photoreceptor and image forming method An electrophotographic photoreceptor is disclosed. The charge transport material comprising a mixture of stereoisomers as a charge transport material and glass transition point Tgb of the binder resin of the charge transport layer and glass transition point Tg1 of t... | 07/19/2005 |
| 6844416 | Polycarbonates A polycarbonate comprised of a repeating unit represented by Formula (I) with R1, R2, R3 and R4 being, for example, alkyl; Ar being, for example, aryl; and m representing the... | 01/18/2005 |
| 6790574 | Electrophotographic photoreceptor An electrophotographic photoreceptor having a photosensitive layer containing, as a charge transporting material, at least one indane compound of the formula (1), and at least one polycarbonate resin of the formula (4) ... | 09/14/2004 |
| 6768006 | Phthalocyanine crystal, production process therefor, and electrophotographic photosensitive member, process cartridge and apparatus using the crystal An electrophotographic photosensitive member exhibiting a high sensitivity and a potential stability on repetitive use and capable of suppressing image defects, such as black spots in a reversal development scheme, is provided. The photosensitive member includes a s... | 07/27/2004 |
| 6749979 | Electrophotography photosensitive body and a electrophotography device equipped with the same An electrophotography photosensitive body has a single layer photosensitive layer on top of a conductive substrate, directly or via an undercoat layer. The single layer photosensitive layer contains at least a resin binder, a charge generating substance, and a charg... | 06/15/2004 |
| 6544702 | Charge transport layers comprising hydrazones and photoconductors including the same Charge transport layers comprise a hydrazone charge transport compound, Savinyl.RTM. yellow and an antioxidant. Dual layer photoconductors comprise the charge transport layer in combination with a substrate and a charge generation layer.... | 04/08/2003 |
| 6485873 | Electrophotographic photoconductor and electrophotographic apparatus A biphenyl derivative is included in a photosensitive layer of an electrophotographic photoconductor. The electrophotographic photoconductor includes a single-layer photosensitive layer coated on a conductive substrate. The photosensitive layer includes a... | 11/26/2002 |
| 6395439 | Naphthoquinone derivative and electrophotosensitive material using the same The present invention relates to a naphthoquinone derivative of the formula (1): ##STR1## wherein R1 and R2 are the same or different and each represents a hydrogen atom or an alkyl group having 1 to 6 alkyl group, and the elect... | 05/28/2002 |
| 6391505 | Phthalocyanine crystal and its production, and electrophotosensitive material using the same Disclosed are a phthalocyanine crystal in which an organic acceptor compound is associated with a phthalocyanine molecule, wherein said organic acceptor compound has a reduction potential to a reference electrode (Ag+ /Ag) is not less than -1.5... | 05/21/2002 |
| 6383698 | Electrophotosensitive material using quinone derivative The present invention relates to an electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the substrate, the photosensitive layer containing a quinone derivative represented by the general formula (1), (2) o... | 05/07/2002 |
| 6346355 | Electrophotosensitive material The present invention relates to an electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the substrate, the photosensitive layer containing a quinone derivative represented by the general formula (1): ... | 02/12/2002 |
| 6338927 | Stilbene derivative, method of producing the same, and electrophotosensitive material using the same The present invention relates to a novel stilbene derivative, which is a stilbene compound wherein molecular structures of triphenylamino groups located at both sides of a benzene ring in a molecular center are unsymmetric, and an electrophotosensitive ma... | 01/15/2002 |
| 6300029 | Electrophotographic image forming process and electrophotographic photoconductor An electrophotographic image forming process includes the steps of charging, light exposure, reversal development, and image transfer, using a photoconductor having an electroconductive support, and a photo-conductive layer formed thereon, with a residual... | 10/09/2001 |
| 6280893 | Electrophotographic photoreceptor Electrophotographic photoreceptors for use in photocopiers and laser printers, among other things, possessing high electron mobility and superior photosensitivity properties. The photoreceptors of the invention utilize a photosensitive layer with a carrie... | 08/28/2001 |
| 6228547 | Bis(3,4-methylenedioxyphenylamino) derivatives and electrophotographic photoreceptor containing the derivatives Disclosed are novel compounds useful in electrophotographic photoreceptors as charge-transporting materials having good miscibility with binder polymers and capable of forming a thin stable organic film having a high concentration; and an electrophotograp... | 05/08/2001 |
