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8828633 Toner  
To obtain a toner which has excellent charge rise and stability, tends to have a sharp charge distribution, has excellent pigment dispersion properties, exhibits no disarray in an image even...
8617776 Secure document printing method and system  
A method and system for printing documents with one or more embedded security features is provided. Security features are embedded in the document by co-printing magnetic and non-magnetic toner on...
8512925 Magnetic toner  
Provided is a magnetic toner capable of preventing electrostatic offset while attaining a high image quality by a high speed machine. The magnetic toner comprises magnetic toner particles, each of...
8501377 Magnetic toner  
Provided is a magnetic toner capable of providing a stable image by suppressing sleeve contamination even under a high-temperature and high-humidity environment and under a normal-temperature and...
8426094 Magnetic toner  
A magnetic toner has magnetic toner particles, each of the magnetic toner particles containing a binder resin and a magnetic material, and an inorganic fine powder. The magnetic material is...
8399167 Toner composition, developer comprising the toner composition, and method in connection with the production of a volume body  
The present invention relates to a toner composition for forming a masking pattern for use e.g. in connection with a method of building up a three-dimensional body from a large number of mutually...
8354214 Coated carriers  
The present disclosure provides carriers for use with toner compositions. In embodiments, a carrier may include a core, having a dry powder polymer coating. In embodiments, the coating may also...
8137879 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...
8124306 Magnetic toner  
The object of the present invention is to provide a magnetic toner enabling an image with high image density and excellent image reproducibility to be obtained, which is excellent in fluidity,...
8101326 Secure document printing method and system  
A method and system for printing documents with one or more embedded security features is provided. Security features are embedded in the document by co-printing magnetic and non-magnetic toner on...
8084174 Toner  
An object of the present invention is to provide a toner excellent in ability to prevent electrostatic offset and fixation tailing. Provided is a toner including toner particles each containing at...
8057976 Method for producing toner  
A toner which can efficiently induce high-frequency magnetic induction heating by Neel relaxation and/or Brown relaxation is provided. A toner including a core particle containing a thermoplastic...
7939231 Magnetic toner  
A magnetic toner is disclosed having magnetic toner particles containing a binder resin and a magnetic iron oxide. The magnetic toner has a specific saturation magnetization and a specific...
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,...
7796926 Developing apparatus and electrophotographic image-forming apparatus  
A developing apparatus is provided which can suppress a fluctuation in image density in a discontinuous printing mode provided with a pause period. The developing apparatus includes a developer...
7740998 Positively chargeable developer  
A positively chargeable developer is provided which is capable of providing stable image quality without causing any image defect even in long-term use. The developer includes at least positively...
7666562 Image forming media containing reflecting pigment  
The invention relates to an image forming media composition including an infrared reflecting pigment. The infrared reflecting pigment may be one that substantially absorbs light in the visible...
7598011 Irregular shaped ferrite carrier and electrophotographic developer using the ferrite carrier  
It is contemplated to provide irregular shaped ferrite carrier which has a lower resistance, a high specific surface area, a low specific gravity and a longer operational life, and an...
7582400 Magnetic toner and image forming method using the same  
Magnetic toner involves magnetic powder 1 having the particle shape of an octahedron 2 that is a convex polyhedron surrounded by eight triangles as a basis, each of the vertexes and edges of the...
7560212 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...
7550241 Positive chargeable magnetic toner composition  
The present invention relates to a magnetic mono-component toner composition with positive charge comprising i) a magnetic toner particle containing a charge control agent with positive charge;...
7544455 Magnetic toner  
A magnetic toner having magnetic toner particles each containing at least a binder resin and a magnetic iron oxide particle, in which: when a solution is prepared by dissolving the magnetic iron...
7537874 Toner with high strength magnetite  
A toner having a high strength magnetite in an amount of from about 10 to about 40 weight percent, wherein the magnetite includes a material selected from the group consisting of FeO, Fe2O3,...
7527907 Toner for electrostatic latent image development and method of magnetic monocomponent development  
The present invention provides a toner for electrostatic latent image development and a method of magnetic monocomponent development using the toner which can prevent the toner adhesion to a...
7439003 Magnetic black toner for electrophotography having Mn-containing hematite compound and magnetic two-component developer for electrophotography containing the same  
A magnetic black toner for electrophotography comprising a binding resin, a magnetic substance, and a pigment, wherein the pigment is at least one of phthalocyanine pigment and Mn containing...
7422832 Magnetic toner  
Provided is a magnetic toner comprising magnetic toner particles each comprising at least a binder resin and a magnetic iron oxide, the magnetic toner being excellent in developability and...
7252915 Magnetic mono-component toner composition  
The present invention relates to a magnetic mono-component toner composition, and more particularly to a mono-component toner composition that comprises magnetic toner particle comprising a binder...
7208252 Magnetic toner and conductive developer compositions  
Magnetic toner compositions, conductive developer compositions, and methods for producing images in a hybrid jumping development system, more specifically, in a magnetic ink character recognition...
7144626 Magnetic iron oxide particles and magnetic toner using the same  
There are provided magnetic iron oxide particles having an average particle diameter (Dp50) of primary particles of 0.05 to 0.3 μm, an average particle diameter (Da50) of secondary particles of...
7123862 Image forming apparatus  
In an image forming apparatus having at least an amorphous silicon photosensitive member, a magnetic toner developing means and a color developer developing means, the magnetic toner has a...
7122286 Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container  
A toner for developing a latent electrostatic image to a toner image, including a binder resin, and a magnetic material which is blackened by coating the surface of a magnetic powder with a...
7070895 Magnetic toner composition having superior electrification homogeneity  
The present invention relates to a magnetic toner composition, and more particularly to a magnetic toner composition having an improved chargeability and excellent uniform chargeability, and that...
7043175 Image forming method and apparatus  
In an image forming system, an image-bearing member having a photoconductor layer comprising an Si-based non-single crystal material is charged at a relatively low potential of 250 to 600 volts by...
6953504 Black pigment powder having a low value of magnetization, process for producing the same, and applications thereof  
A black pigment powder having a low value of magnetization according to the present invention is characterized in that it consists of a composite oxide containing Fe2TiO4 as a main component,...
6875549 Dry toner, toner production process, image forming method and process cartridge  
A toner showing a high transferability and suitable for use in cleanerless image forming system is formed of toner particles comprising at least a binder resin and magnetic iron oxide. The toner...
6858365 Toner for developing electrostatic latent image, developing method and developing apparatus  
A toner, a developing method and apparatus is provided to satisfy both the low temperature fixation property and the hot offset property and that has a wide range of fixing temperature. The toner...
6806010 Toner containing magnetite particles  
The invention relates to a toner containing low-silicon magnetite particles.
6803164 Magnetic black toner  
A magnetic black toner comprising magnetic black toner particles containing at least a binder resin and a magnetic material. The toner has a weight-average particle diameter of from 5 μm to 12 μm,...
6764797 Toner for MICR  
A toner for MICR comprises at least a binder resin, magnetite particles comprising a mixture of granular magnetite and acicular magnetite, and a wax, wherein a ratio by weight of said acicular...
6756170 Electrostatic image developing toner and image-forming method using the same  
An electrostatic image developing toner comprising at least a binder resin and a releasant, wherein the binder resin comprises a petroleum resin and a styrene-based copolymer or styrene-based...
6733940 Toner for magnetic ink character recognition system and non-magnetic monocomponent development method  
The present invention provides a toner for MICR suitable for use in a printer for a non-magnetic monocomponent developing system, which does not produce scratches on a developing sleeve when used...
6677093 Electrophotographic black toner, electrophotographic developer and image forming method  
An electrophotographic black toner comprising a colorant and a binder resin, wherein the toner has a metal oxide as the colorant of 20% by weight or less, said metal oxide having magnetization of...
6670086 Coupled alcohol ethoxylates for improved thermal properties  
Coupled alcohol ethoxylates made by reacting alcohol ethoxylates with a diisocyanate have been found to improve the thermal properties of toner compositions and powder coatings. The alcohol...
6656658 Magnetite toner processes  
A toner process comprising heating an acidified dispersion of an acicular magnetite, a carbon black colorant dispersion, an optional wax dispersion, and an acicular latex.
6653037 Toner for developing latent electrostatic images, and image forming method and device  
A toner for developing latent electrostatic images is provided which contains, in a binder resin, at least a coloring agent formed from a metal material. A saturation magnetization of the toner is...
6653036 Magnetic toner and image forming method  
A magnetic toner includes a magnetic toner particle containing a binding resin and a magnetic material. The magnetic material includes a magnetic iron oxide containing 0.10% to 4.00% by weight of...
6638675 Black magnetic toner  
Black magnetic toner comprising: a binder resin, andblack magnetic composite particles comprising:magnetic iron oxide particles having an average particle diameter of 0.055 to 0.95 μm;a coating...
6589701 Dry toner, image forming method and process cartridge  
A dry magnetic toner is formed of magnetic toner particles comprising a binder resin and magnetic iron oxide particles. The magnetic toner is provided with excellent developing performances and...
6562532 Black magnetic toner and black magnetic composite particles therefor  
Black magnetic toner comprising: a binder resin; andblack magnetic composite particles having an average particle diameter of 0.06 to 1.0 μm comprising:magnetic iron oxide particles,a coating...
6562533 Magnetites and their use in producing toners  
This invention relates to magnetite particles with a mean particle size of 0.1 to 0.3 μm, a specific surface area of 6 to 9 m2/g, a coercive force of 80 to 110 Oe, a residual magnetization of 13...

Matches 1 - 50 out of 238 1 2 3 4 5 >