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Radiation Imagery Chemistry: Process, Composition, Or Product Thereof > Electric Or Magnetic Imagery, E.g., Xerography, Electrography, Magnetography, Etc., Process, Composition, Or Product > Post Imaging Process, Finishing, Or Perfecting Composition Or Product > Finishing Or Perfecting Composition Or Product > Developing Composition Or Product > Identified Dry Toner Physical Structure > Core-shell Structure Core-shell StructureCore-shell Structure patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.04/19/07 - 20070087281 - High gloss emulsion aggregation toner incorporating aluminized silica as a coagulating agent The toner includes emulsion aggregation toner particles of a binder including a non-crosslinked styrene acrylate polymer, at least one colorant, at least one wax, and aluminized silica, wherein an amount of aluminum metal in the toner particles is from about 50 ppm to about 600 ppm. Such toner is able ... 04/19/07 - 20070087280 - Emulsion aggregation toner incorporating aluminized silica as a coagulating agent The toner includes emulsion aggregation toner particles having a core and a shell. The core includes binder including a first non-crosslinked styrene acrylate polymer and a crosslinked styrene acrylate polymer, at least one colorant, at least one wax, and aluminized silica. The shell includes a second non-crosslinked styrene acrylate polymer ... 03/29/07 - 20070072107 - Method of preparing toner and toner prepared using the method A method of preparing a toner, includes: preparing a core by mixing a polyester resin and a colorant with at least one material selected from the group consisting of a macromonomer having hydrophilic group, hydrophobic group, and at least one reactive functional group and a reactive emulsifying agent. A shell ... 03/22/07 - 20070065745 - Toner having bumpy surface morphology The toner described herein contains toner particles containing polymer, colorant and cross-linked polymer. The cross-linked polymer is incorporated at least in the shell of the toner particles. Incorporating cross-linked polymer in the shell of the toner particles provide bumps in the surface of the toner particles. These bumps can behave ... 03/01/07 - 20070048648 - Liquid developer and image forming apparatus A liquid developer which has excellent preservability, storage stability for a long period of time, and fixing characteristics of toner particles and which is also harmless to the environment is provided. The liquid developer contains an insulation liquid and toner particles dispersed in the insulation liquid. The insulation liquid contains ... 03/01/07 - 20070048647 - Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming method The present invention provides a toner for electrophotography having a capsule structure including a core and a shell that covers the core, wherein the core contains a colorant, a releasing agent, an amorphous resin, and a block polymer containing a crystalline part and an amorphous part, the weight-average molecular weight ... 02/22/07 - 20070042285 - Electrostatic image developing toner and image forming method An electrostatic image developing toner is disclosed, comprising toner particles composed of a core containing resin and a colorant and a shell containing a resin, wherein the standard deviation of shape factor SF-1 of the toner particles and the standard deviation of shape factor SF-2 fall within the specific range, ... 02/15/07 - 20070037085 - Toner and method for producing the same, and, developer, toner-containing container, process cartridge, image forming apparatus and image forming method A toner producing method is provided, which comprises preparing toner base particles in an aqueous medium, wherein the toner base particles comprise resin fine particles, and forming a coating layer on the surface of the toner base particles, wherein the coating layer is formed by attaching or coating a toner ... 01/04/07 - 20070003856 - Ultra low melt toners having surface crosslinking Ultra low melt toner compositions with improved non-additive heat cohesion are disclosed. These toner compositions include toner particles comprising amorphous resins containing at least one unsaturated moiety, and when the toner particles are surface treated with a peroxy compound and optionally with a peroxy promoter compound, the surface of the ... 11/30/06 - 20060269861 - Manufacturing method of electrostatic charge image developing toner, and electrostatic charge image developing toner Disclosed is a toner having a core/shell structure and including a hydrophilic resin and a hydrophobic resin, and a manufacturing method thereof. ... 10/05/06 - 20060222993 - Particle having conductive polymer surface additive Particles, preferably toner particles comprised of at least binder and colorant, are described that include a doped conductive polymer material as a surface additive on the external surface of the particle. The presence of the doped external conductive polymer material enables the particles to retain a substantially uniform charge distribution ... 09/28/06 - 20060216628 - Toner for developing electrostatic image, method for producing the same, developer for developing electrostatic image, and image forming method A toner for developing an electrostatic image, the toner having a core-shell structure, wherein the toner comprises: a colorant; a binder resin; and a filler, and wherein the toner has a flow tester ½ effluent temperature of from 60 to 100° C., and a shell of the toner comprises a ... 09/21/06 - 20060210904 - Toner for electrostatic charge image developing, developer for electrostatic charge image developing, and image forming apparatus wherein, in the equation (1) and the equation (2), G′(60) represents a storage elastic modulus (Pa) of the toner for electrostatic charge image developing measured under the conditions of a temperature of 60° C., a vibration frequency of 6.28 rad/sec, and a strain amount of 0.01 to 0.5%, and G′(80) ... // - 10≦G′(60)/G′(80)≦40 Equation (2) - ... // - 2.0×105≦G′(60)≦4.0×106 Equation (1) - ... 09/14/06 - 20060204882 - Toner, toner manufacturing method, developer, image forming apparatus, and process cartridge for the image forming apparatus A toner having a core containing a colorant, a release agent and a binder resin (A), and a shell containing a binder resin (B), the shell overlying the core, wherein the binder resin (A) contains a resin having a polyester skeleton, the binder resin (B) contains a vinyl copolymer resin, ... 09/14/06 - 20060204881 - Electrophotographic toner and manufacturing method thereof The electrophotographic toner of the present invention comprises toner particles and inorganic fine powder externally added to the toner particles. The toner particles comprise a core particle containing at least a resin, a coloring agent and wax, a first shell layer that is formed on the surface of the core ... 07/27/06 - 20060166122 - Toner processes A toner process comprised of a first heating of a mixture of an acicular magnetite dispersion, a colorant dispersion, a wax dispersion, and a core latex comprised of a first latex containing a vinyl crystalline polyester resin substantially free of crosslinking, and wherein said polyester is substantially dissolved in a ... 05/18/06 - 20060105263 - Toner composition Improved toner particles having a core-shell structure and related processes thereof are provided. The core of the toner comprises a first polymer, a complexed cationic dye pigment, and a heteropoly acid, and the shell comprises a second polymer. The heteropoly acid can effectively retain the complexed cationic dye pigment within ... 02/09/06 - 20060029876 - Toner, manufacturing method thereof and image forming method A toner including toner particles each containing a resin and a colorant, wherein the toner particle has: a region A which contains the colorant and a region B through which more electrons can pass than the region A; and the region A is covered by the region B being within ... 12/15/05 - 20050277047 - Positively chargeable toner, positively chargeable developer and image forming method A toner containing a copolymer containing an amine or an ammonium slat in the outer layer of the toner particle, and a positively chargeable developer containing the toner are disclosed. An image forming method to develop an electrostatic latent image employing the toner or the developer is also disclosed. ... 12/08/05 - 20050271964 - Toner coated with thin film Satisfactory anti-blocking property of powder toner can be realized, while avoiding increase in softening temperature of the powder toner, by coating the surface of a low melting point powder toner with a thermosetting resin. This leads to the realization of toner fixing at lower temperatures and is particularly effective when ... 11/17/05 - 20050255400 - Toner having bi-layer or triple-layer The present invention relates to a toner having a double- or triple-layered structure. The present invention is effective in that pigments and charge control agents are located most properly for the realization of high-resolution toners through addition and polymerization of hydrophilic monomers or polymers with the toners; the manufacture of ... 10/27/05 - 20050238986 - Toner and image-forming method therewith A toner for an image forming apparatus and method which apparatus has a cleaning means with a cleaning blade to remove a residual toner remaining on a surface of a photoconductive member after transfer; the toner being a mixture of a colored polymer particle and an external additive. The colored ... 09/22/05 - 20050208414 - Electrophotographic toner, method for producing the same, electrophotographic developer, and image forming method An electrophotographic toner having a core-shell structure including a crystalline resin in its core region or a sea-island structure including a crystalline resin in its island region, wherein the toner has 1) a resistance of 5.0×1012 Ω·cm or higher, 2) a dynamic viscosity coefficient of 3×103 Pa·s or higher at ... 09/22/05 - 20050208413 - Developing agent and method for manufacturing the same A developing agent includes a toner particle having a plurality of resin particles containing a binder resin and coloring agent, and a continuous releasant phase which is present between the plurality of resin particles, and coats the plurality of resin particles. ... 08/11/05 - 20050175922 - Electrostatic latent image developing toner An electrostatic latent image developing toner contains toner particles each of which has a shell layer on the surface of a core particle comprising at least a first binder resin having a softening point of less than 100° C., a second binder resin having a softening point of not less ... 07/21/05 - 20050158646 - Toner for electrophotography wherein t1 represents a thickness of the thickest part of the outer layer, and t2-t5 each represent a thickness of a second to a fifth thickest part of the outer layer in one particle, and wherein a glass transition point Tg of the inner layer is about 2-about 45° C. ... 06/23/05 - 20050136354 - Toner and production process for the same A toner includes core particles containing a resin and a colorant, and a coating layer formed over the core particles. The coating layer includes at least one type of coating particles selected from the group consisting of wax-containing resin microparticles containing a resin and a wax, and colorant-containing resin microparticles ... ### FreshPatents.com Support |