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| Number | Title | Issue Date |
| 7361441 | Color toner, and full-color image-forming method A yellow toner in which, in a spectral-distribution diagram in which the reflectance (%) is plotted as ordinate and the wavelength (nm) as abscissa, the reflectance determined for a toner in a state of powder ranges from 15% to 20% at a wavelength of 500 nm and rang... | 04/22/2008 |
| 7314696 | Electrophotographic toner and development process with improved charge to mass stability Toners and developers are disclosed. The toner of the present invention contains at least one toner resin, at least one charge control agent, at least one surface treatment agent, and optionally at least one release agent and/or colorant. The toners of the present i... | 01/01/2008 |
| 7309553 | Oilless toner An oilless toner including at least (A) a cyclic olefin resin; (B) a resin having one or more carbon-carbon double bonds therein; and (C) a wax. ... | 12/18/2007 |
| 7300737 | Process for producing toner The present invention provides a toner that exhibits excellent low-temperature fixing properties, offset resistance, and has excellent storage stability in a developing machine. The toner has, in a DSC curve obtained by measuring the toner with differential scanning... | 11/27/2007 |
| 7273686 | Toner In a toner comprising toner particles which comprise toner base particles containing at least a binder resin and a magnetic material, and inorganic fine particles, the toner base particles have been obtained through a pulverization step; and, the toner base particle... | 09/25/2007 |
| 7250241 | Toner and process for producing toner The present invention provides a toner that exhibits excellent low-temperature fixing properties, offset resistance, and has excellent storage stability in a developing machine. The toner has, in a DSC curve obtained by measuring the toner with differential scanning... | 07/31/2007 |
| 7248826 | Heater roller cleaner, method and apparatus for a fuser assembly The fuser roller and heater rollers of the fusing system can become contaminated with ink and other foreign material when pre-printed materials are run through them. The contamination can create regions of cold spots, which in turn results in poor fusing. Other imag... | 07/24/2007 |
| 7229727 | Color toner, and full-color image forming method A yellow toner in which, in a spectral-distribution diagram in which the reflectance (%) is plotted as ordinate and the. wavelength (nm) as abscissa, the reflectance determined for a toner in a state of powder ranges from 15% to 20% at a wavelength of 500 nm and ran... | 06/12/2007 |
| 7214458 | Toner compositions A toner that contains resin, colorant, wax and an aromatic hydrocarbon compatibilizer. ... | 05/08/2007 |
| 7211362 | Fuser member with tunable gloss level and methods and apparatus for using the same to fuse toner images Disclosed are fuser members, apparatus and methods which employ compositions that can be varied to provide a fused toner image with a selected gloss level. In embodiments, the apparatus and methods employ a fusing member having an outer contact surface thereon which... | 05/01/2007 |
| 7189484 | Reduced light scattering in projected images formed from electrographic toners A method of manufacturing transparencies reduces light scattering in a projection transparency formed with an electrostatically deposited color image. The method comprises: providing a transparent support substrate; | 03/13/2007 |
| 7189485 | Toner A toner having high mechanical strength and being capable of exhibiting a sufficient fixing property in a wide temperature range is provided. Further, a fixing device and an image forming apparatus in which such a toner can be suitably used are provided. The toner c... | 03/13/2007 |
| 7186492 | Toner for electrostatic charge image development and image forming method A toner includes at least a crystalline compound, a binding resin and coloring agent, wherein a differential heat quantity curve measured by a differential scanning calorimeter (DSC) has a clear endothermic peak at 50 to 100° C. in a first temperature rising proces... | 03/06/2007 |
| 7172844 | Toner for electrophotography, and image forming process, process cartridge and image forming apparatus using the same A toner for electrophotography contains a binder resin, a colorant and a releasing agent and has a viscosity, a storage modulus (G′) and a loss modulus (G″), in which the viscosity is 1×103 Pa·s or more and a loss tangent (tan δ) as the ratio of Gâ... | 02/06/2007 |
| 7166405 | Organosol including high Tg amphipathic copolymeric binder and liquid toners for electrophotographic applications The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer comprising one or more S material po... | 01/23/2007 |
| 7162187 | Image forming apparatus and image forming method In an image forming apparatus, a toner image is formed on a photosensitive element and a transfer roller, which carries a transfer medium, is pressed against a photosensitive element at a pressure of from 20.4 N/cm2 to 200 N/cm2. ... | 01/09/2007 |
| 7144823 | Thermal treatment apparatus The present invention is a thermal processing unit including: a heating-furnace body whose upper end has an opening; a heating unit provided on an inside wall of the heating-furnace body; a reaction container consisting of a single tube contained in the heating-furn... | 12/05/2006 |
| 7135264 | Organosol including amphipathic copolymeric binder and use of the organosol to make dry toners for electrographic applications The present invention relates to amphipathic copolymeric binder particles chemically grown in a substantially nonaqueous liquid carrier to form an organosol. The invention also pertains to dry particulate electrographic toners incorporating an organosol comprising a... | 11/14/2006 |
| 7090951 | Toner, method for forming a full-color image, and process cartridge There is disclosed a toner which comprises at least a binder resin, a coloring agent, and a wax and in which a deformation amount of the toner (R200) at the time of application of a load of 200 g at a temperature of 120° C. is 45% to 75% and in which a d... | 08/15/2006 |
| 7074537 | Organosol liquid toner including amphipathic copolymeric binder having crystalline component Liquid electrographic toners are derived from organosols incorporating amphipathic copolymeric binder particles that include polymerizable, crystallizable compounds chemically incorporated into the dispersed portion of the copolymer. The invention further provides o... | 07/11/2006 |
| 7070898 | Toner A toner having a favorable fixability, excelling in charge stability, and capable of forming a image of retaining a high image density and a high resolution in long-term use is provided. That is, the toner of the present invention is a toner obtained by polymerizing... | 07/04/2006 |
| 7056637 | Electrophotographic toner with uniformly dispersed wax Toner particles are described containing at least one toner resin and at least one wax. The wax present in the toner particles has an average domain size of about 1 micron or less. Developer systems, two component and monocomponent, are further described as well dev... | 06/06/2006 |
| 7048970 | Method of curing a fuser member overcoat at low temperatures A method of making a fuser member having a support comprising the steps of: A) providing a support; B) coating from an organic solvent onto the support a coating composition comprising a fluorocarbon thermoplastic ... | 05/23/2006 |
| 7029813 | Toner In a toner having toner particles containing at least a colorant, a release agent and a polar resin, and an inorganic fine powder, the polar resin contains a polyester resin obtained by carrying out polymerization in the presence of a titanium chelate compound as a ... | 04/18/2006 |
| 7024148 | Fixing device, fixing method and image forming apparatus Provided is a fixing device and a fixing method, and an image forming apparatus using the fixing device, in which at least heat is applied to an unfixed toner image formed on a recording material to soften or melt toner of the unfixed toner image into a state of bei... | 04/04/2006 |
| 7022448 | Electrophotographic toner and image-forming system An electrophotographic toner containing: a fixing resin, a colorant, and wax. The wax at least contains hydrocarbon wax having a number-average molecular weight of not higher than 600, and polyethylene wax having a number-average molecular weight of not higher than ... | 04/04/2006 |
| 7014973 | Organosol including amphipathic copolymeric binder made with Soluble High Tg Monomer and liquid toners for electrophotographic applications The invention provides liquid toner compositions in which the polymeric binder is chemically grown in the form of copolymeric binder particles dispersed in a liquid carrier. The polymeric binder includes one amphipathic copolymer that comprises the residue of a Solu... | 03/21/2006 |
| 7016632 | Electrophotographic toner and development process using chemically prepared toner Development systems and methods for developing using chemically prepared toners are disclosed. The present invention further discloses developers used in development systems. The use of chemically prepared toners with hard magnetic carrier particles with a non-magne... | 03/21/2006 |
| 7005225 | Organosol including amphipathic copolymeric binder having crystalline material, and use of the organosol to make dry tones for electrographic applications The present invention relates to amphipathic copolymeric binder particles that incorporate polymerizable crystallizable compounds chemically incorporated into a dispersible (D) portion and/or solvatable (S) portion of the copolymer. The invention also pertains to dr... | 02/28/2006 |
| 6992150 | Toner binder and process for producing the same A toner binder for dry toners which comprises a polyester; and a process for producing the toner binder. A known conventional technique for imparting low-temperature fixing property and anti-hot offset property to a toner binder is to use a mixture of two powdery po... | 01/31/2006 |
| 6953615 | Polythiophene xerographic component coatings A xerographic component having a substrate and thereover a coating with a thiophene-based material is set forth. ... | 10/11/2005 |
| 6951667 | Fuser member coating composition and processes for providing elastomeric surfaces thereon A method for providing a crosslinked fluorocarbon elastomer surface on a fuser member supporting substrate, which includes mixing together an acid acceptor, an emulsifier, water, and non-amino based crosslinker with a latex fluorocarbon elastomer, and the crosslinke... | 10/04/2005 |
| 6945528 | Sheet feeding apparatus and image forming apparatus A sheet feeding apparatus includes a sheet stacking unit, sheet feeding unit, and a sheet support member. Sheets are stacked on the sheet stacking unit. The sheet feeding unit is placed to be movable in the widthwise direction of the sheets stacked on the sheet stac... | 09/20/2005 |
| 6939654 | Carrier and developer for developing latent electrostatic images A carrier develops latent electrostatic images in corporation with a toner and one particle of the carrier includes a magnetic particle, and a coating layer covering the magnetic particle. The coating layer includes a crosslinked condensation product of a compositio... | 09/06/2005 |
| 6934484 | Image-forming apparatus and image-forming method In a copier which is an image-forming apparatus comprising a photoconductor 1, a developing apparatus 4, transfer apparatus 5 which transfers a toner image formed on the photoconductor 1 to a transfer material by heat and pressure using a... | 08/23/2005 |
| 6927006 | Fuser member having fluorocarbon outer layer A fuser member having a polyimide substrate, and thereover, an outer layer with from about 61 to about 99 volume percent fluorocarbon. ... | 08/09/2005 |
| 6905808 | Color toner, and full-color image forming method A yellow toner in which, in a spectral-distribution diagram in which the reflectance (%) is plotted as ordinate and the wavelength (nm) as abscissa, the reflectance determined for a toner in a state of powder ranges from 15% to 20% at a wavelength of 500 nm and rang... | 06/14/2005 |
| 6582871 | Toner fusing system and process for electrostatographic reproduction, fuser member for toner fusing system and process, and composition for fuser member surface layer A process for fusing toner to paper. This process employs a release fluid containing an aminofunctional polyorganosiloxane, and a fuser member having a fluoro-elastomer fusing surface layer that contains Fe2 O3 filler.... | 06/24/2003 |
| 6569588 | Electrophotographic toner, production method thereof and electrophotographic image forming system A toner for use in a color electrophotographic system ensures a sufficient offset resistance without oil being supplied, and meets requirements for color development, transparency and durability to withstand commercial use. The toner for an electrophotogr... | 05/27/2003 |
| 6500594 | Electrophotographic developer and process for forming image An electrophotographic developer and a process for forming an image are provided in that the fixing can be conducted at a lower temperature than the conventional technique, and that are excellent in the powder storage stability, the anti-blocking property... | 12/31/2002 |
