Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7951517 | Electrophotographic photoreceptor, process cartridge, and image forming apparatus An electrophotographic photoreceptor includes an organic photosensitive layer and one or more inorganic thin film layers disposed in this order on a conductive substrate, in which among the one or more inorganic thin film layers at least an inorganic protective laye... | 05/31/2011 |
| 7799497 | Silanol containing overcoated photoconductors A photoconductor containing an optional supporting substrate, a silanol containing photogenerating layer, at least one charge transport layer, and a top overcoating layer in contact with and contiguous to the charge transport layer. ... | 09/21/2010 |
| 7498110 | Electrophotographic photosensitive member There is provided an electrophotographic photosensitive member used in an electrophotographic apparatus which meets energy saving and higher image quality. The electrophotographic photosensitive member has excellent potential properties, and can suppress the image q... | 03/03/2009 |
| 7442479 | Electrophotographic photoreceptor, and image forming apparatus and process cartridge using the electrophotographic photoreceptor A photoreceptor including at least an electroconductive substrate, and a charge blocking layer, a moiré preventing layer, and a photosensitive layer, which are located overlying the electroconductive substrate in this order, wherein the photosensitive layer include... | 10/28/2008 |
| 7427440 | Photoreceptor layer having polyether lubricants An imaging member containing a substrate, and an outer layer containing a polyether lubricant, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material to said c... | 09/23/2008 |
| 7368210 | Photoreceptor layer having thiophosphate lubricants An imaging member containing a substrate, and an outer layer containing a zinc diethyldithiophosphate, and an image forming apparatus for forming images on a recording medium including the imaging member above, a development component to apply a developer material t... | 05/06/2008 |
| 7358017 | Photoconductor with ceramer overcoat A polyurethane-silica hybrid, or polyurethane-silica/silsesquioxane hybrid overcoat improves the life of the photoconductor drum without significantly altering the electrophotographic properties of the PC drum. Wear can be caused by a variety of factors, which inclu... | 04/15/2008 |
| 7354534 | Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same A composition for an overcoat layer suitable for use in an organophotoreceptor for liquid toner, an organophotoreceptor manufactured by employing the composition and an electrophotographic imaging apparatus containing the organophotoreceptor. Since the organophotore... | 04/08/2008 |
| 7344810 | Photosensitive member The invention relates to an electrophotographic photosensitive member, and more specifically, to a photosensitive member having a photosensitive layer superimposed over a substrate. In one aspect of the invention, sequential laminations of a dispersion layer of cond... | 03/18/2008 |
| 7341813 | Electrophotographic photoreceptor, electrophotographic member, process cartridge and image forming apparatus The present invention provides an electrophotographic photoreceptor and an electrophotographic member, which have superior mold releasing and sliding properties and are able to maintain these properties over long periods of time, the photoreceptor comprising a first... | 03/11/2008 |
| 7315722 | Image forming apparatus and image forming method An image forming apparatus, including an electrophotographic photoreceptor including: an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate, and a protective layer overlying the photosensitive layer and serving as an outerm... | 01/01/2008 |
| 7279396 | Methods of forming trench isolation regions with nitride liner The invention includes methods of forming trench isolation regions. In one implementation, a masking material is formed over a semiconductor substrate. The masking material comprises at least one of tungsten, titanium nitride and amorphous carbon. An opening is form... | 10/09/2007 |
| 7229731 | Electrophotographic photosensitive member and electrophotographic apparatus using the electrophotographic photosensitive member To provide a high-image-quality electrophotographic photosensitive member having a high sensitivity for a wavelength close to 380 to 500 nm, remarkable image resolution property in which absorption of the wavelength is hardly recognized, working-environment characte... | 06/12/2007 |
| 7229730 | Process for producing negative-charging electrophotographic photosensitive member, negative-charging electrophotographic photosensitive member, and electrophotographic apparatus using same The invention provides a process for producing a negative-charging electrophotographic photosensitive member which can improve the adherence between a first layer and a second layer without lowering the effect of lessening image defects and realize a reduction in ov... | 06/12/2007 |
| 7226711 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge and electrophotographic apparatus An object of the present invention is to improve a phenomenon of the life-shortening of the endurance life due to scratch occurring when recesses of a fixed dimple shape are formed on the surface of the surface layer, in order to inhibit the chattering and folding b... | 06/05/2007 |
| 7211357 | Electrophotographic photosensitive member Provided is an electrophotographic photosensitive member having a photoconductive layer on an electrically conductive substrate, the photoconductive layer being formed from a non-single-crystal material constituted by at least silicon atoms as a base material, and a... | 05/01/2007 |
| 7205081 | Imaging member An imaging method utilizing an imaging member containing a supporting substrate, a layer of a charge carrier injecting surface, a hole blocking layer, an optional adhesive layer, a layer of a charge carrier transport material, a layer of an charge carrier generating... | 04/17/2007 |
| 7203031 | Substrate for thin-film magnetic head and method of manufacturing the substrate A substrate for a thin-film magnetic head includes a ceramic base and an undercoat film of amorphous SiC, which is supported on the ceramic base. ... | 04/10/2007 |
| 7186489 | Electrophotographic photosensitive member, electrophotographic photosensitive member manufacturing process, process cartridge, and electrophotographic apparatus An electrophotographic photosensitive member is disclosed having a cylindrical support and an organic photosensitive layer provided on the cylindrical support. The peripheral surface of the electrophotographic photosensitive member is composed of grooves formed subs... | 03/06/2007 |
| 7183027 | Image forming method An image forming method includes a photoreceptor preparation step, a coated paper preparation step, a charging step, an exposure step, a development step, and a transfer step. The electrophotographic photoreceptor has a conductive support and a photosensitive layer ... | 02/27/2007 |
| 7179573 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same Disclosed is an electrophotographic photoconductor including at least a photoconductive layer on an electroconductive substrate, which comprises at least a cross-linked surface layer formed by curing a tri- or more-functional radical polymerizable monomer without ha... | 02/20/2007 |
| 7175957 | Electrophotographic photoconductor, and image forming process, image forming apparatus and process cartridge for an image forming apparatus using the same Disclosed is an electrophotographic photoconductor including at least a photoconductive layer on a conductive substrate, wherein the surface layer of the photoconductive layer contains at least a surface crosslinked layer formed by curing a tri- or more-functional r... | 02/13/2007 |
| 7172843 | Composition for overcoat layer of organophotoreceptor, organophotoreceptor manufactured by employing the same and the electrophotographic imaging apparatus containing the same A composition for an overcoat layer suitable for use in an organophotoreceptor for liquid toner, an organophotoreceptor manufactured by employing the composition and an electrophotographic imaging apparatus containing the organophotoreceptor. Since the organophotore... | 02/06/2007 |
| 7166396 | Photoconductive imaging members A photoconductive imaging member comprised of a substrate, a photogenerating layer, and thereover a charge transport layer comprised of a charge transport component or components, a polymer binder and metal oxide particles, wherein said metal oxide particles contain... | 01/23/2007 |
| 7160659 | Electrophotographic apparatus and process cartridge An electrophotographic apparatus adopts a contact development system as a development system, which hardly causes toner fusion, and which hardly causes fogging in an output image; and a process cartridge is detachably attached to a main body of the electrophotograph... | 01/09/2007 |
| 7157197 | Electrophotographic photosensitive member An electrophotographic photosensitive member is provided which can keep at a minimum the absorption of image exposure light of 380 to 500 nm in wavelength in its surface layer and concurrently can satisfactorily keep electrophotographic properties including resolvin... | 01/02/2007 |
| 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 |
| 7150950 | Photosensitive member having ground strip with lignin sulfonic acid doped polyaniline An electrostatographic imaging member having a flexible supporting substrate, an imaging layer capable of retaining an electrostatic latent image, and an electrically conductive ground strip layer comprising a film forming binder and a lignin sulfonic acid doped pol... | 12/19/2006 |
| 7147978 | Electrophotographic photoreceptors with novel overcoats This invention relates to a photoreceptor that includes: (a) an overcoat layer comprising at least a rheology modifier and a polymeric resin selected from the group consisting of urethane resins, urethane-epoxy resins, acrylated-ur... | 12/12/2006 |
| 7132208 | Composition for forming overcoat layer for organic photoreceptor and organic photoreceptor employing overcoat layer prepared from the composition A composition forms an overcoat layer for an organic photoreceptor by combining an organic silane compound, an acrylic polymer, polyvinyl butyral and a solvent. The organic photoreceptor has increased electrical and mechanical properties, leading to improved life ch... | 11/07/2006 |
| 7122284 | Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom An electrophotographic photoconductor has an electroconductive support and a photoconductive layer which is formed thereon and contains at least one resin of a polyurethane resin, a polyester resin, or a polycarbonate resin, each resin having at least a structural u... | 10/17/2006 |
| 7122283 | Photoconductive members A photoconductive member containing, for example, a substrate, a photogenerating layer, a charge transport layer and an overcoat layer wherein the overcoat layer is comprised of a crosslinked siloxane composite containing a caprolactone-siloxane. ... | 10/17/2006 |
| 7118787 | Liquid crystal alignment layer There is provided a liquid crystal alignment layer comprising an alignment layer; and chemically bound to said alignment layer, a transport material. Also provided are methods for forming the liquid crystal alignment layer and the use thereof in displays for electro... | 10/10/2006 |
| 7108947 | Sol-gel processes for photoreceptor layers A photoconductive imaging member includes a hole blocking layer, a photogenerating layer, a charge transport layer, and an optional overcoating layer, wherein at least one of the charge transport layer and the optional overcoating layer is formed in a sol-gel proces... | 09/19/2006 |
| 7092064 | Liquid crystal display device and method of manufacturing the same wherein the substrate having particular surface roughness A liquid crystal display device includes a pair of transparent substrates, a liquid crystal layer sandwiched between inner surfaces of the transparent substrates, and a pair of optical films each attached on an outer surface of the transparent substrate via a transp... | 08/15/2006 |
| 7078140 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge According to the present invention, there is provided: an electrophotographic photosensitive member having a photosensitive layer on a support in which a surface layer of the electrophotographic photosensitive member comprises an acrylic polymer having a polyfluoroo... | 07/18/2006 |
| 7074351 | IR-absorbing compositions The present invention provides compositions containing transparent thermoplastic polymer, surface-modified oxide particles with a particle size of less than 200 nm, and organic NIR absorbers. The compositions of the present invention may find use in reducing diather... | 07/11/2006 |
| 7065316 | Cleaning unit, process cartridge, image forming apparatus, and toner A cleaning unit is equipped with a cleaning blade that is in contact with a surface of a photosensitive drum and cleans the surface. A peak temperature of a loss tangent (tan δ) is in a range of 2° C. to −30° C. when a sine-wave vibration of 10 Hz is applied to... | 06/20/2006 |
| 7060406 | Light-receiving member, image-forming apparatus, and image-forming method A light-receiving member comprising a conductive substrate, and formed superposingly thereon a photosensitive layer and a surface protective layer in order. The light-receiving member has a surface roughness Ra of from 15 nm to 100 nm. Also disclosed is an image-for... | 06/13/2006 |
| 7043175 | Image forming method and apparatus In an image forming system, an image-bearing member having a photoconductor layer comprising an Si-based non-single crystal material is charged at a relatively low potential of 250 to 600 volts by a contact charging member in the presence of electroconductive fine p... | 05/09/2006 |
