Matches 1 - 50 out of 158 1 2 3 4 >


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US20110244387 LOW-SURFACE AREA FUMED SILICON DIOXIDE POWDER  
Fumed silicon dioxide powder with a BET surface area of 20 to 35 m2/g, characterized in that a) the number-based median particle diameter is 60 to 150 nm, and b) the proportion of particles with a...
US20060024603 Toner and toner manufacturing method  
In a toner of the present invention containing binder resin and a coloring agent, the toner is comprised a mixture of first toner and second toner which are different in the binder resin from each...
US20070160925 Developer, developer cartridge, developing unit, and image forming apparatus  
A developer contains a resin, a coloring agent, and an external additive in an amount of 2.5 to 4.5 weight parts added to the resin in an amount of 100 weight parts resin. The developer has an...
US20100330487 TONER COMPOSITIONS  
Coated phosphorescent pigments are provided which may be utilized in toner compositions. In embodiments, the phosphorescent pigment may be coated by a powder coating process. The large pigment...
US20140370430 LOW COST, LOW MELT EMULSION AGGREGATION HIGH GLOSS TONERS WITH LOW MELT WAXES  
A toner particle includes a core containing a styrene-based resin; a low melting point wax; optionally an additive package; and optionally a colorant, wherein the low melting point wax has a...
US20150234301 Toner Formulations Having Improved Toner Usage Efficiency and Method to Make the Same  
A toner composition and a method of making a toner composition wherein toner particles having an average size in the range of 1-25 μm may be mixed with large fumed silica particles sized 70 nm to...
US20100015421 TONER COMPOSITION FOR PRINTING ON TRANSPARENT AND HIGHLY COLORED SUBSTRATES  
When color images are printed on a substantially transparent substrate, such as a transparency film, or on a highly colored substrate, the color properties of image may be compromised. When color...
US20150072283 Colored Toners  
The disclosure describes a pigment of certain surface area for use in toner.
US20120028181 SURFACE DECORATED PARTICLES  
A surface decorated particle including a core particle phase having an outer surface; and fine inorganic particles on the outer surface of the core particle phase; wherein the fine inorganic...
US20050214668 Toner and developing device using the same  
The present invention provides a toner including: a toner mother particle; an amorphous fine particle; a monodisperse spherical silica; and a metal soap, wherein the amorphous particle has the...
US20060084000 Toner composition for electrophotographic imaging apparatus and method of preparing the same  
A toner composition and a method of preparing the same provide a toner composition that includes a coloring agent, a charge control agent, a binder, a wax and an internal additive, wherein the...
US20070218385 TONER, AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USING THE TONER  
A toner is provided including a binder resin and a colorant, wherein the toner has an average shape factor SF-1 of from 130 to 160, and includes toner particles having a shape factor SF-1 of from...
US20070281233 Toner composition having coated strontium titanate additive  
A toner comprising a resin and having on a surface thereof, an additive package comprising coated strontium titanate.
US20050112488 Toner and developer, and image forming method and apparatus using the developer  
A toner is provided that contains a particulate toner material (mother toner) having an average circularity of from 0.93 to 0.99, and including a modified polyester resin and a colorant; and an...
US20100040968 Toner Compositions Including Silica Blends  
A toner composition and method of providing such composition which may be used in a printer or printer cartridge. The composition may include toner particles mixed with silica particles having a...
US20060057486 Crystalline polyester for toner  
The present invention relates to a crystalline polyester for toner, obtained by a process comprising the step of polymerizing raw material monomers in the presence of a wax, wherein the...
US20080153022 Electrophotographic developing agent  
A non-magnetic one-component electrophotographic developing agent is provided having improved properties. The electrophotographic developing agent includes parent toner particles comprising a...
US20080090164 Developer, process cartridge, and image forming apparatus  
The invention provides a developer having at least a toner, an aeration ratio (AR) of the developer measured by a powder rheometer being in a range of about 5.0 to about 10.0. It is preferable...
US20090059252 Stable Emissive Toner Composition System and Method  
An emissive toner composition for producing an emissive image component of an image indicia on a substrate. The emissive toner composition includes a photoluminescent agent, a charge control...
US20070254230 EXTERNAL ADDITIVE COMPOSITION AND PROCESS  
A process for toner preparation includes forming toner particles by mixing an emuslion comprising at least binder resin and a colorant, aggregating the toner particles, and blending external...
US20070009823 Toner and developer compositions  
A toner composition includes toner particles of at least a resin, a wax, and a colorant, and external additives applied on an exterior surface of the toner particles, including silica, titania,...
US20050196695 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...
US20060154166 Toner for electrophotographic imaging apparatus  
A yellow toner for an electrophotographic imaging apparatus is provided where the toner includes: a binder resin; a pigment; and a charge control agent, wherein the pigment comprises 2-8% by...
US20140272697 TONER COMPOSITION HAVING IMPROVED CHARGE CHARACTERISTICS AND ADDITIVE ATTACHMENT  
A method of making a toner composition includes preparing raw toner particles, increasing a surface area of the raw toner particles by contacting the raw toner particles with a base to produce...
US20080299475 Developer for Development of Electrostatic Image and Production Process Thereof  
A developer for development of electrostatic images, comprising colored particles containing a binder resin, a colorant and a parting agent, and an external additive, wherein the developer has...
US20070218387 TONER AS WELL AS DEVELOPER AND IMAGE FORMING METHOD USING THE SAME  
A toner which combines excellent cleaning ability, image quality and durability, as well as a developer and an image forming method using the toner are provided. A toner comprising a toner base...
US20120202149 ELECTROPHOTOGRAPHIC TONER AND METHOD OF PREPARING THE SAME  
An electrophotographic toner and a method of preparing the same, the electrophotographic toner including a binder that includes two kinds of resin having different weight average molecular...
US20130273468 Methods To Control Electrical Resistivity In Filler-Polymer Compositions And Products Related Thereto  
Methods to control electrical resistivity in filler-polymer compositions are described using dual phase fillers. Polymer compositions containing the dual phase fillers are further described.
US20090324296 ELECTROPHOTOGRAPHIC TONER AND METHOD OF PREPARING THE SAME  
Disclosed are an electrophotographic toner and a method of preparing the same. The electrophotographic toner includes latex; a colorant; and a releasing agent. The absolute value of a differential...
US20100009277 HYDROPHOBIC INORGANIC FINE PARTICLES AND TONER  
Hydrophobic inorganic fine particles are provided which: does not cause melt adhesion of toner to a photosensitive member and contamination of a contact charging member; imparts excellent...
US20120322003 NATURAL OIL-BASED CHEMICALLY PRODUCED TONER  
A natural oil-based toner resin for producing toner in developing electrophotographic image comprising a copolymer of unsaturated polyester resins and vinyl monomers, wherein the polyester resins...
US20080286677 Toner for developer  
Disclosed is a toner for a developer comprising cylindrical toner particles formed of a toner composition containing at least a binder resin and a releasant as toner components, and an external...
US20050202332 Toner for use in the development of electrostatic latent images, electrostatic latent image developer, and image forming method  
A toner for use in the development of electrostatic latent images contains colored particles including at least a binder resin, a coloring agent and a releasing agent, and an external additive. An...
US20060063084 Emulsion aggregation toner containing pigment having a small particle size  
Toner, particularly toner made by emulsion aggregation, containing binder resin and colorant containing a pigment dispersion containing pigment particles having an average particle diameter of...
US20060040195 Non-magnetic monocomponent negatively chargeable spherical toner and full color image forming apparatus using the same  
The present invention provides a non-magnetic monocomponent negatively chargeable spherical toner including: a toner mother particle having a binder resin and a colorant; and an external additive...
US20110159427 ELECTROPHOTOGRAPHIC TONER AND METHOD OF PREPARING THE SAME  
The disclosure provides an electrophotographic toner and methods for preparing the electrographic toner. The electrographic toner includes a binder, a colorant and a releasing agent, wherein the...
US20110008722 TONER COMPOSITIONS  
Toners are provided which include a resin including at least one baroplastic polymer. The baroplastic polymer, in embodiments, may be a block copolymer with discrete low glass transition...
US20090325098 FERROMAGNETIC NANOPARTICLES WITH HIGH MAGNETOCRYSTALLINE ANISOTROPY FOR MICR TONER APPLICATIONS  
A toner including stabilized magnetic single-crystal nanoparticles, wherein the value of the magnetic anisotropy of the magnetic nanoparticles is greater than or equal to 2×104 J/m3. The magnetic...
US20070231727 Toner formulations containing extra particulate additive  
The present invention relates to the use of extra particulate additives in selected chemically processed toner compositions for use in an image forming apparatus. The extra particulate additive...
US20060171872 Method of preparing hydrophobic silica directly from an aqueous colloidal silica dispersion  
The invention provides a method of preparing hydrophobic silica particles comprising (a) providing an aqueous colloidal silica dispersion comprising about 5-70 wt. % of silica particles having an...
US20150140486 TONER AND METHOD OF MANUFACTURING SAME  
A toner includes a plurality of toner particles that each include a toner mother particle and an external additive adhering to a surface of the toner mother particle. The toner mother particle...
US20070218380 TONER  
A toner containing a colorant, a binder resin and a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions. The toner can be prepared by a...
US20110104606 COLOR TONER AND METHOD FOR PREPARING THE SAME  
A method of preparing a color toner by: a) preparing an anionic polymer composite emulsion comprising wax with a wax particle and nanosilica as core by in situ emulsion polymerization; b)...
US20050130052 Toner and method of preparing the same  
A toner prepared using a master batch of a wax and a colorant such that it has an excellent dispersion of colorant and wax, a high concentration, a good color development and a broad range of...
US20100062356 TONER FOR ELECTROSTATIC DEVELOPMENT, IMAGE FORMING APPRATUS, AND IMAGE FORMING METHOD  
An embodiment of toner for electrostatic development may include toner base particles, and resin fine particles. Further, some embodiments may include external additives, such as hydrophobic...
US20090035683 TONER, TWO-COMPONENT DEVELOPER AND IMAGE FORMATION DEVICE  
A toner comprising a small-particle diameter external additive having a number average particle diameter of 7 to 20 nm, a large-particle diameter external additive having a number average particle...
US20140080048 TONER AND METHOD FOR PRODUCING TONER  
A toner is provided that can maintain high transferability even in long-term image output, can maintain high chargeability even in a high temperature and high humidity environment, and rarely...
US20070212630 PULVERIZED TONER  
To provide a pulverized toner excellent in the releasing ability and cleaning ability, and an image-forming apparatus for one-component developer, and a process cartridge using the pulverized...
US20110177446 HYDROPHOBIC SILICA MICROPARTICLES AND COMPOSITION FOR ELECTROPHOTOGRAPHIC TONER  
Provided are silica microparticles having a fine primary particle size suitable for an external toner additive, the microparticles including no bulky agglomerated particles responsible for a...
US20090142686 IMAGE FORMING METHOD, TONER AND IMAGE FORMING APPARATUS  
To provide an image forming method including conveying a toner by means of a toner supply device that supplies the toner from inside a toner housing container into a developer housing section of a...

Matches 1 - 50 out of 158 1 2 3 4 >