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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 > Dry Toner With Chemically Identified Adjuvant (e.g., Charge Control Agent, Colorant, Etc.) > Metal Oxide Conmpound Adjuvant (e.g., Ai2o3'tio2'etc.) Metal Oxide Conmpound Adjuvant (e.g., Ai2o3'tio2'etc.)Metal Oxide Conmpound Adjuvant (e.g., Ai2o3'tio2'etc.) 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.03/29/07 - 20070072104 - Toner and image forming method When a titanium oxide surface-treated with a titanate-based coupling agent is used as an external additive on the surface of toner particles, titanium oxides are likely to be aggregated with each other and aggregated titanium oxide particles are likely to fall off from the surface of the toner. As a ... 03/15/07 - 20070059625 - Toner for developing a latent electrostatic image, image-forming method, image-forming apparatus and process cartridge using the same where “M1” represents a metal element selected from Sr, Mg, Zn, Co, Mn and Ce, “a” and “b” each represents an integer of 1 to 9 and “c” represents an integer of 3 to 9, wherein an average primary particle diameter of the compound oxide is 0.02 μm to 1.5 ... 03/15/07 - 20070059624 - Method of preparing toner and toner prepared using the method A method of preparing a toner is provided, including: preparing a colorant dispersion by mixing a reactive emulsifying agent and a colorant; preparing a toner composition by mixing a macromonomer having hydrophilic group, hydrophobic group and at least one reactive functional group, at least one polymerizable monomer, a multifunctional polyester, ... 03/01/07 - 20070048643 - Single component developer of emulsion aggregation toner A toner for developing electrostatic images in a single component development (SCD) system free of carrier and including emulsion aggregation toner particles of a styrene acrylate polymer binder, at least one release agent and at least one colorant, wherein the toner particles have a volume average particle size of from ... 12/28/06 - 20060292473 - Electrostatic latent image developing toner And an electrostatic latent image developing toner that is made by adding a metal oxide as an external additive to toner particles comprising a binder resin and a colorant, wherein the liberation rate of the metal oxide is from 30 to 60%. ... 12/21/06 - 20060286475 - Developing agent and image forming apparatus using the same Disclosed is a developing agent, wherein temperature T2, at which the developing agent exhibits a viscosity of 0.5×105 (Pa·s) after receipt of a thermal history that, after once being heated at a prescribed temperature, the developing agent is cooled to room temperature, falls within a range of 100 to 140° ... 12/07/06 - 20060275687 - Toner and image forming apparatus using the same In a toner T of the present invention, the liberated mother particle ratio is set to be 10% or less and the liberated silica particle ratio is set to be 0.2-10%, thereby reducing the possibility that the liberated mother particles 18′ and the mother particles 18 with silica particles 19 ... 11/16/06 - 20060257772 - Toner, method for forming image using the toner, and process cartridge A toner exhibits excellent image characteristics, and also has an excellent charging property even if the toner is used in a cleaning-simultaneous-with-developing system having a direct injection charging mechanism. The toner includes toner particles and non-magnetic metallic-compound fine particles. The weight average particle diameter of the toner is 3.0 μm ... 11/09/06 - 20060251979 - Toner manufacturing method, toner and developer A toner manufacturing method is provided including emulsion-polymerizing monomers including an aromatic vinyl monomer, to prepare a particulate resin dispersion; mixing the particulate resin dispersion and a colorant dispersion including a black metallic material, to prepare an aggregation dispersion including aggregated resin particles including the colorant therein; heating the aggregation ... 10/26/06 - 20060240350 - Developer, and image forming apparatus and process cartridge using the developer A developer contains a toner; and a carrier, wherein the toner contains toner particles containing a binder resin; and a colorant, and a titanium oxide as an external additive, wherein an amount of free titanium oxide particles released from the toner determined by a ultrasonic vibration method is from 5 ... 10/05/06 - 20060222988 - Electrophotographic toner The electrophotographic toner of the present invention comprises toner particles containing at least a binder resin, wax, a charge control agent and a pigment, and at least titanium oxide externally added to the toner particles as an external additive. The titanium oxide has an aspect ratio of 2 to 5 ... 09/14/06 - 20060204879 - Electrostatic charge image developing toner Disclosed is an electrostatic charge image developing toner containing external additives comprising at least amorphous silica and a crystallized metal oxide selected from titanium oxide, aluminum oxide, zirconium oxide, or calcium oxide, wherein the amorphous silica is present on the crystallized metal. ... 09/14/06 - 20060204878 - Electrostatic charge image developing toner Disclosed is an electrostatic charge image developing toner containing external additives possessing at least amorphous silica and a crystallized metal oxide selected from titanium oxide, aluminum oxide, zirconium oxide, or calcium oxide, wherein the amorphous silica is placed as a nucleus, and the crystallized metal oxide is present on the ... 09/14/06 - 20060204877 - Developing agent A developing agent including an additive added to adhere on the surface of a toner particle, wherein the additive comprises a first silica whose primary particle has a first mean volume diameter ranging from 10 to 15 nm, and a second silica whose primary particle has a second mean volume ... 08/10/06 - 20060177754 - Negatively chargeable spherical toner, color image forming apparatus, and process for producing negatively chargeable spherical toner The present invention provides a negatively chargeable spherical toner having: a toner mother particle having a binder resin and a colorant, which has: a number average particle size of from 4.5 to 9 μm; a particle size distribution that has an integrated value of particle sizes of 3 μm or ... 07/20/06 - 20060160008 - Color toner for non-magnetic mono-component system for increasing printing quality and a method for preparing the same The present invention relates to a color toner for a nonmagnetic mono-component printing system that improves the printing characteristics, and a preparation method thereof. More specifically, the present invention provides a color toner including a first coating layer and a second coating layer formed on a toner mother particle, wherein ... 07/06/06 - 20060147829 - Method for forming coating material and the material formed thereby A method for forming a coating material capable of forming a hydrophobic, microstructured surface. The method comprises treating micro or nano-particles particles with a hydrophobic agent and an additive to form larger particles with the hydrophobic agent bonded thereto. The invention also comprises the coating material thus formed. ... 06/08/06 - 20060121381 - Toner compositions A toner composition comprising a binder, colorant, and a charge control surface additive mixture comprising a mixture of a first titanium dioxide possessing a first conductivity and a second titanium dioxide possessing a second conductivity and which second conductivity is dissimilar than the first conductivity; wherein the mixture of the ... 05/25/06 - 20060110673 - Electrophotographic developing agent Provided is an electrophotographic developing agent including: toner particles including a binder resin, a colorant, and a charge control agent; and an external additive added to the surface of the toner particles, wherein the external additive includes at least one inorganic particulate component and at least two types of strontium ... 05/18/06 - 20060105259 - Toner, process for producing a toner, image forming method and image forming apparatus An electrophotographic toner is formed as a blend of toner particles and external additives. The external additives include (1) first inorganic fine particles having an average primary particle size of 80-800 nm of oxide of a metal selected from the group consisting of titanium, aluminum, zinc and zirconium, (2) second ... 04/27/06 - 20060088780 - Toner and image forming apparatus using the same In a toner T of the present invention, the liberated mother particle ratio is set to be 10% or less and the liberated silica particle ratio is set to be 0.2-10%, thereby reducing the possibility that the liberated mother particles 18′ and the mother particles 18 with silica particles 19 ... 03/23/06 - 20060063083 - Toner composition A toner composition includes toner particles containing a coloring agent, a binder, a charge control agent, a release agent, and an external additive, wherein the external additive includes a silica, a calcium-based titanium oxide and a cerium oxide. In the toner composition, by which the image density is maintained stably, ... 01/26/06 - 20060019188 - Toner compositions A toner composition for use in a xerographic or electrostatographic imaging process. The toner composition includes a toner particle and an optional primary external surface additive and a friable external surface additive. The friable external surface additive may also be a material that is capable of functioning as a primary ... 01/12/06 - 20060008723 - Toner The present invention provides a toner improved in dispersibility of a colorant in the toner particles and excellent in the color reproducibility including color mixability and transparency. The toner is also excellent in the stability in long-term of the chargeability and capable of forming images maintaining high image quality. The ... 12/15/05 - 20050277041 - Toner composition for electrophotography image forming apparatus A toner composition for an electrophotography image forming apparatus includes toner particles and external additives. The toner particles include a colorant, a charge control agent and a release agent with binder resins. The external additives include a first silica having an opposite polarity to the toner particles, a second silica ... 12/08/05 - 20050271960 - Non-magnetic monocomponent toner having excellent developing property at low temperature condition The present invention relates to a non-magnetic mono-component toner composition and a preparation method thereof. Disclosed is a non-magnetic mono-component toner composition prepared by coating a spherical organic fine particle having a weight-average molecular weight (Mw) of 250,000-1,600,000 and an average particle size of 50-500 nm, a hydrophobic silica, and ... 11/24/05 - 20050260515 - Electrostatic-latent-image developing toner and full-color image-forming method composite oxide fine particles having a specific surface area of not more than 300 m2/g, that contain two kinds or more of metal atoms selected from the group consisting of metal atoms that belong to 4A to 7A groups, 8 group and 1B to 4B groups in the long-period-type element ... 11/10/05 - 20050250031 - Black toner and developer A developer includes black toner particles and carrier particles, the black toner particles including at least one binder, at least one black colorant and one or more external additives, wherein the toner particles comprise from about 7 to about 15 pph of the developer, and wherein the toner particles exhibit ... 11/10/05 - 20050250030 - Emulsion aggregation black toner and developer with superior image quality A black toner of toner particles including at least one binder, at least one black colorant, and a package of external additives is described, wherein the at least one binder includes a styrene acrylate binder and wherein the external additives include each of a first silica having an average particle ... 09/22/05 - 20050208406 - Toner, process for producing a toner, image forming method and image forming apparatus An electrophotographic toner is formed as a blend of toner particles and external additives. The external additives include (1) first inorganic fine particles having an average primary particle size of 80-800 nm of oxide of a metal selected from the group consisting of titanium, aluminum, zinc and zirconium, (2) second ... 09/08/05 - 20050196695 - Toner A toner is provided with which the image formed by the use of an image-forming apparatus for electrophotography may keep a good and uniform image density for a long period of time from the initial stage of image formation. The toner contains a toner base particle containing at least a ... 07/14/05 - 20050153225 - Non-magnetic monocomponent color toner and preparation method thereof The present invention relates to a non-magnetic monocomponent color toner and a preparing method thereof. In the non-magnetic monocomponent color toner including a toner mother particle, silica and titanium dioxide, the toner mother particle comprises a specific shaped particle size distribution of the charge control agents, and thus, providing non-magnetic ... 07/14/05 - 20050153224 - Toner for electrophotographic imaging apparatus A toner of an electrophotographic imaging apparatus includes a binder resin, a coloring agent, a mold release agent, a charge control agent, and external additives, and is characterized in that the external additives include silica particles having a polarity counter to a polarity of the toner, silica particles having a ... ### FreshPatents.com Support |