...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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 |
| 8187785 | Method of manufacturing toner A method of manufacturing the toner comprising dispersing at least one of a binder resin or a precursor thereof, a coloring agent and a releasing agent in an organic solvent to obtain an oil phase, dispersing the oil phase in an aqueous medium with a shearing force ... | 05/29/2012 |
| 8142976 | Method for preparing multiple emulsion and porous polymer particles therefrom A method of manufacturing a double emulsion with narrow dispersed phase particle size distribution comprising: providing an organic phase comprising solid hydrocolloid particles dispersed in an organic solvent; and dispersing the organic phase in an aqueous phase in... | 03/27/2012 |
| 8092974 | Production method of toner for developing electrostatic image A production method of a toner includes a suspension process in which a polymerizable monomer composition is dispersed in an aqueous dispersion medium; and a polymerization process in which suspension polymerization is performed with the suspension in the presence o... | 01/10/2012 |
| 8092975 | Method for producing toner for devoloping electrostatic image Provided is a method for producing a toner for developing electrostatic image which inhibits the generation of small diameter microparticles as a by-product in the polymerization for the toner, which includes easy or simple washing treatment (washing/filtration/dehy... | 01/10/2012 |
| 7906266 | Magnetic toner A magnetic toner is disclosed including magnetic toner particles containing at least a binder resin and a magnetic powder. The magnetic powder contains a specific amount of phosphorus elements, and a specific amount of silicon elements, based on the iron element, wi... | 03/15/2011 |
| 7842449 | Method of preparing toner and toner prepared using the method A method of preparing a toner includes: preparing a toner composition including a macromonomer having a hydrophilic group, a hydrophobic group and at least one reactive functional group, at least one polymerizable monomer, and a colorant; emulsion-polymerizing the t... | 11/30/2010 |
| 7767375 | Production process of polymerized toner In a process for producing a polymerized toner, comprising Step 1 of preparing a polymerizable monomer composition and Step 2 of polymerizing the polymerizable monomer composition with a polymerization initiator to form colored polymer particles, Step 1 comprises St... | 08/03/2010 |
| 7749675 | Method of preparing toner and toner prepared using the method A method of preparing a toner, including: preparing a colorant dispersion by mixing a reactive emulsifier and a colorant; preparing a toner composition by mixing a macromonomer including a hydrophilic group, a hydrophobic group and at least one reactive functional g... | 07/06/2010 |
| 7727700 | Toner for developing electrostatic image, method for producing the same, developer, image forming apparatus, process cartridge, and image forming method A toner is disclosed, for developing electrostatic images by means of image forming apparatuses, that comprises toner particles, and an external additive, wherein the toner particles comprise a binder resin and a colorant, the external additive is introduced onto th... | 06/01/2010 |
| 7682768 | Production process of polymerized toner A process for producing a polymerized toner, comprising the step of polymerizing a polymerizable monomer composition containing a polymerizable monomer and a colorant in the presence of a polymerization initiator in an aqueous dispersion medium to form colored polym... | 03/23/2010 |
| 7682769 | Method of manufacturing toner, toner, and image forming method Disclosed is a method of manufacturing toner possessing the steps of conducting a polymerization process for acquiring wax-containing polyester resin particles via condensation-polymerization of carboxylic acid and alcohol employing oil droplets after forming the oi... | 03/23/2010 |
| 7666566 | Electrophotographic toner and method of preparing the toner A method of preparing a toner in an aqueous medium, including: preparing a dispersion or an emulsion of a toner composition comprising a resin including a carboxyl group and a colorant; and mixing an aromatic compo... | 02/23/2010 |
| 7662536 | Resin particle liquid dispersion for electrostatic image developing toner, production process of the liquid dispersion, electrostatic image developing toner, production process of the toner, electrostatic image developer and image forming method A resin particle liquid dispersion for an electrostatic image developing toner includes: a polycondensable resin obtained by polycondensing at least one selected from the group consisting of a polycondensable monomer, an oligomer of the polycondensable monomer and a... | 02/16/2010 |
| 7550245 | Toner and production method of the same, and image forming method The object of the present invention is to provide a toner having a uniform composition of toner materials among toner particles, excelling in charge stability, enabling high-quality images without substantially causing fog and toner scattering, and having a small di... | 06/23/2009 |
| 7371494 | Magnetic toner and method of manufacturing magnetic toner The present invention provides a magnetic toner which is hardly influenced by an environment, and with which an image with high quality and excellent resolution can be stably even under low humidity. In the magnetic toner of present invention: ... | 05/13/2008 |
| 7368212 | Toner for developing electrostatic image, developer, image forming apparatus, process for forming image, process cartridge and process for measuring porosity of toner A toner for developing an electrostatic image, includes: a colorant; and a binder resin. The toner has a particle including at least one pore having a diameter of 10 nm or over, and a porosity thereof is in a range from 0.01 to 0.60. ... | 05/06/2008 |
| 7354972 | Amphipathic polymer particles and methods of manufacturing the same The invention is directed to amphipathic polymeric particles that serve as both the dispersant and the binder in water based inks, ink compositions containing these particles, and methods for making the particles. The polymeric particles contain both hydrophilic and... | 04/08/2008 |
| 7344818 | Method for producing toner and an image forming method employing the toner A method for producing a toner comprising the step of coagulating at least one crystalline ester compound represented by Formula 1 and resin particles in an aqueous medium in the presence of and aluminum compound. R1—(OCO—R2)... | 03/18/2008 |
| 7344819 | Manufacturing method for a toner A method for manufacturing toner includes combining a polymer resin and an organic solvent to obtain an oil-based solvent; combining a dispersion stabilizer with water to obtain a water-based solvent; adding an amphiphilic solvent to the water-based solvent; emulsif... | 03/18/2008 |
| 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 |
| 7294443 | Toner composition and method for manufacturing the toner composition A toner composition including toner particles including a binder resin; and a colorant, and a charge controlling agent which is at least located on a surface of the toner particles, wherein the toner composition has a spherical degree of from 0.96 to 0.99, and where... | 11/13/2007 |
| 7288357 | Cyan toner and method of producing cyan toner A cyan toner is provided which is brighter and more greenish in hue than conventional cyan toners and highly translucency. A cyan toner characterized by comprising toner particles at least having a coloring compound represented by the Formula (1): ... | 10/30/2007 |
| 7282552 | Styrene copolymers with a bimodal molecular weight distribution A styrene copolymer composition comprising at least one alkyl acrylate and/or at least one alkyl methacrylate wherein the styrene copolymer composition has a bimodal molecular weight distribution. A method of producing a styrene copolymer comprising reacting styrene... | 10/16/2007 |
| 7261989 | Toner for developing electrostatic images, developer, image forming method, and image forming apparatus The object of the present invention is to provide a toner which has sufficiently high chargeability and less toner spent to a carrier or the like even when several tens of thousands of image sheets are output, is capable of keeping high-charge property and flowabili... | 08/28/2007 |
| 7258959 | Toner for electrophotography and image forming apparatus The object of the present invention is to provide a developer having a sharp charge amount distribution and bringing out high-quality image without substantially smearing a charging unit, developing units, a photoconductor, and an intermediate transferring member by... | 08/21/2007 |
| 7258956 | Printing plates comprising modified pigment products The present invention discloses printing plates comprising a substrate and a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product. The modified pigment product comprises a pigment having attached at least... | 08/21/2007 |
| 7255895 | Method for controlling solute loading of polymer microparticles Solute-loaded polymer microparticles are obtained by immersing microparticles in a bath comprising a selected solute dissolved in a ternary solvent system. A first solvent of the ternary system is a strong solvent for both the solute and the polymer from which the m... | 08/14/2007 |
| 7253216 | Microencapsulated pigment, production process therefor, and aqueous dispersion and ink jet recording ink using the pigment The present invention provides a microencapsulated pigment, wherein pigment particles having an anionic group on the surface are coated with a polymer comprising a repeating structural unit derived from a cationically polymerizable surface active agent and a repeati... | 08/07/2007 |
| 7252920 | Method for manufacturing polymerized toner A method for manufacturing a polymerized toner comprising a process for forming fine droplets of a polymerizable monomer composition in an aqueous dispersion medium, and a process for polymerizing the polymerizable monomer composition after the process for forming f... | 08/07/2007 |
| 7250238 | Toners and processes thereof Disclosed are toner compositions comprised of a polymer, an optional colorant, and an UV light curable oligomer. Also disclosed are methods for producing a UV curable toner compositions, the toner compositions produced thereby, and methods of utilizing the UV curabl... | 07/31/2007 |
| 7247416 | Toner processes and compositions thereof The invention relates to color toner compositions prepared from a process for the preparation of a dry toner powder from an aqueous pigment concentrate dispersion comprising: blending at least an aqueous-based pigment concentrate dispersion and a resin to produce a ... | 07/24/2007 |
| 7244540 | Liquid toners comprising amphipathic copolymeric binder having insoluble components in the shell portion thereof The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder com... | 07/17/2007 |
| 7241546 | Toner, and image forming method A toner includes toner particles containing at least a binder resin and a colorant, and inorganic fine particles. The shape factor SF-1 of the toner particles is in a specific range. The toner has a storage elastic modulus at 140° C., G′ (140° C.), in a specific... | 07/10/2007 |
| 7226714 | Process for producing polymerized toner A process for producing a polymerized toner, comprising a step 1 of preparing a polymerizable monomer composition comprising at least a polymerizable monomer and a colorant, and a step 2 of polymerizing the polymerizable monomer composition in an aqueous medium to f... | 06/05/2007 |
| 7208221 | Biocomposites sheet molding and methods of making those A Sheet Molding Compound (SMC) as prepregs and cured compositions with naturally derived fibers which have been dried for at least three hours is described. The SMC process combines polyester polymer or resin with the fibers preferably continuously. The molded produ... | 04/24/2007 |
| 7208256 | Toner for image formation, method of producing the toner, toner container, toner cartridge, process cartridge, and image forming apparatus A toner for image formation is provided, which is produced by dispersing in an aqueous solvent a toner composition which includes a composition thermally soluble in an organic solvent and a coloring agent, thereby forming toner particles, wherein the thermally solub... | 04/24/2007 |
| 7166655 | Colored particulate dispersion, ink for ink-jet recording using the same, and ink-jet recording method A colored particulate dispersion is provided, in which the particle diameter of colored particulates is small and dispersion stability is excellent. Also provided is an ink for ink-jet recording in which there is little dependency on paper such that excellent color ... | 01/23/2007 |
| 7163775 | Toner for developing electrostatic image, method for manufacturing the toner, developer including the toner, container containing the toner, and color image forming method using the toner A toner for developing an electrostatic image having a good combination of hot offset resistance and low temperature fixability. The toner includes (1) a resin having at least one group that can react with a compound having an active hydrogen in an amount of 2 piece... | 01/16/2007 |
| 7153625 | Process for producing toner particles, and toner In a process for producing toner particles by dispersing in an aqueous medium a polymerizable monomer composition containing at least a polymerizable monomer and a colorant and carrying out polymerization by the use of a polymerization initiator, the concentration o... | 12/26/2006 |
| 7147979 | Toner for developing electrostatic image A toner for developing an electrostatic image, comprising, a binder resin, a colorant, a charge control agent, and a parting agent, and wherein: a volume average particle diameter (Dv) of toner particles is 3 to 10 μm; a ratio (Dv/Dp) of Dv to a number average part... | 12/12/2006 |