|
Match
|
Document |
Document Title |
|
|
7390604 |
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...
|
|
|
7374846 |
Method for preparing of non-magnetic monocomponent color toner having superior long term stability
The present invention relates to a non-magnetic monocomponent color toner composition and a method for preparing the same, and more particularly to a non-magnetic monocomponent color toner...
|
|
|
7314697 |
Toner compositions including large external latex particles
A toner composition includes toner particles having at least one spacer of substantially monodisperse latex particles that are dried and attached to the toner particles, in which the attached latex...
|
|
|
7312009 |
Color toner having low contamination of charging elements
The present invention relates to a non-magnetic mono-component toner comprising a toner mother particle, and a coating layer formed on the mother particle where the coating layer comprises fatty...
|
|
|
7309554 |
Negatively chargeable toner, method for producing the same, and full color image forming apparatus using the negatively chargeable toner
A negatively chargeable toner containing: resin particles containing a colorant; and an external additive which coats the surface of the resin particles, wherein the external additive contains;...
|
|
|
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...
|
|
|
7235339 |
Method of blending toners using a high intensity blending tool with shaped risers for decreased toner agglomeration
The present invention relates to a method for high intensity blending of toner particles in order to cause additive materials to become firmly affixed to the surface of base toner particles. The...
|
|
|
7179576 |
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...
|
|
|
7157202 |
Method and apparatus for reducing densification of multiple component electrographic developer
The invention relates to the field of two component magnetic brush development of electrographic images. According to one aspect of the invention, a method of processing a developer is provided for...
|
|
|
7135266 |
Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias
The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of...
|
|
|
7056637 |
Electrophotographic toner with uniformly dispersed wax
Toner particles are described containing at least one toner resin and at least one wax. The wax present in the toner particles has an average domain size of about 1 micron or less. Developer...
|
|
|
7011921 |
Method and apparatus for producing toner for electrophotography
A method of producing a toner composition, including stirring and mixing toner particles comprising a binder resin, a colorant and a release agent with a charge controlling agent in a fluidizing...
|
|
|
6972166 |
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...
|
|
|
6878499 |
Toner with increased amount of surface additives and increased surface additive adhesion
A process for making a toner. The process includes mixing a toner resin and a colorant; extruding the resin and colorant mixture; attriting the resin and colorant mixture; classifying the attrited...
|
|
|
6828072 |
Toner mixture and process for preparing the same
The present invention describes a process for preparing a toner mixture comprising mixing a first toner with at least one further toner wherein the first toner has an acid value of from 0.1 to 30...
|
|
|
6783908 |
Surface-treated toner particles, process for forming, and electrostatographic developer containing same
An electrostatographic toner composition consists essentially of noncrosslinked linear polymeric toner particles, about 0.7 wt. % to about 4 wt. % of hydrophobic silica particles disposed on the...
|
|
|
6716560 |
Gloss-controlling toner compositions
A particulate toner composition comprises a dry blend of a low viscosity polymeric particulate toner component having a first selected melt viscosity and a first selected melt elasticity, and a...
|
|
|
6677092 |
Magnetic toner for MICR printers, developer for MICR printers and manufacturing method thereof
A magnetic toner for MICR printers is provided with a binder resin, magnetic powder, and metal oxide particles which are in the outer surface of each toner base particle made from the binder resin...
|
|
|
6599673 |
Process for making an improved toner with increased surface additive adhesion and optimized cohesion between particles and toner made using the improved process
The present invention relates to a toner and process for making the improved toner. The improved toner comprises a toner resin comprising: at least one colorant; (b) at least one toner resin mixed...
|
|
|
6586150 |
Method of blending toners with an improved blending tool
An improved blending tool with an enlarged collision profile and method of use by rotation in a blending machine. The improved blending tool comprises an enlarged collision surface fixed at the end...
|
|
|
6569588 |
Electrophotographic toner, production method thereof and electrophotographic image forming system
A toner for use in a color electrophotographic system ensures a sufficient offset resistance without oil being supplied, and meets requirements for color development, transparency and durability to...
|
|
|
6461783 |
Micro-serrated color toner particles and method of making same
A particulate toner composition is provided with toner resin particles containing a resin component, a colorant component, and optionally a charge control agent characterized in that the toner...
|
|
|
6358656 |
Developer or toner comprising a particle having a treatment
The present invention generally relates to a treatment for an electrographic toner. The treatment can include at least one titanium dioxide particle having a BET surface area of at least about 70 m...
|
|
|
6340549 |
Toner for the development of electrostatic image, process for the preparation thereof, developer for the development of electrostatic image and process for the formation of image
The foregoing problem is solved with a toner for the development of an electrostatic image obtained by externally adding agglomerated particles to toner particles containing a binder resin and a...
|
|
|
6303256 |
Toners and/or toner mixtures
A toner or a mixture of toners, comprises a pyrogenically synthesized alumina-silica mixed oxide as a component in combination with other components necessary to complete a toner formulation. The...
|
|
|
6200722 |
Method of making an electrophotographic toner surface treated with metal oxide
A process for making an electrophotographic toner comprising: (a) uniformly mixing a metal oxide selected from titanium dioxide and silicon dioxide with toner particles to form a mixture having...
|
|
|
6177224 |
Method of manufacturing electrophotographic toner
A method of manufacturing electrophotographic toner according to the present invention includes the step of mixing at least toner particles and an additive for a predetermined mixing time to...
|
|
|
6083654 |
Toner compositions and processes thereof
A toner including a resin, a colorant, and a bimodal wax.
|
|
|
6071665 |
Toner processes with surface additives
A process for the preparation of colored toners which comprises mixing a first toner comprised of resin, pigment particles, charge additive, and surface additives, with a second toner comprised of...
|
|
|
6042979 |
Toner for developer of electrostatic latent image, method for producing toner for developer of electrostatic latent image, developer of electrostatic latent image and method for forming image
The present invention provides toner for an electrostatic latent image developer, said toner being excellent in fluidity, chargeability, developability, transferability, and freedom from fogging on...
|
|
|
6015648 |
Gas stream classifier and process for producing toner
A gas stream classifier has a gas stream classifying means for classifying a feed powder supplied from a feed supply nozzle, into at least a coarse powder fraction, a median powder fraction and a...
|
|
|
5998073 |
Dry toner for electrophotography
A dry toner for electrophotography includes a coloring agent, a releasing agent, and a polyol resin having a polyoxy alkylene moiety in a main chain thereof, with a ratio of Mw/Mn of 4 to 10,...
|
|
|
5968703 |
Carrier composition and processes thereof
A process including: blending carrier particles; separating the resulting blended carrier particles from fine particles formed in blending; and blending the resulting blended carrier...
|
|
|
5912099 |
Magenta toner, process for producing same and color image forming method using same
A magenta toner for developing electrostatic images is formed of a binder resin, and a quinacridone pigment providing an X-ray diffraction spectrum showing two peaks in a Bragg angle (2θ) region...
|
|
|
5888691 |
Process for producing toner
A process involving: collecting waste toner; screening the collected waste toner; melt mixing the screened waste toner with a second toner, and grinding and classifying the melt mixed toner product.
|
|
|
5882834 |
Method of making developer compositions with stable triboelectric charging properties
A method of preparing a developer composition involves the steps of: (1) blending carrier particles with finely divided toner particles, wherein blending is carried out for a period of time...
|
|
|
5858596 |
Developer composition for electrostatic latent images
The developer composition for electrostatic latent images includes a toner and a carrier, the toner including (a) a binder resin comprising a polyester resin having an acid value of from 0 to 10...
|
|
|
5846683 |
Toner producing method using recycled extra-fine toner particles
The extra-fine toner arising in the toner producing process, is returned to the mixing step where it is mixed again with the binder resin and the coloring agent, and the compound is sent out to the...
|
|
|
5759735 |
Method for preparing developer for use in electrophotographic printing
A method for preparing an electrophotographic printing-use developer by mixing components of toner material, fusing and kneading the toner material, and then crushing and classifying the toner...
|
|
|
5725987 |
Supercritical processes
A process which comprises heating at a temperature of from about 31° C. to about 200° C. a mixture of supercritical carbon dioxide, metal or metal oxide, and a surface treating component,...
|
|
|
5637434 |
Method for producing toner for electrostatic development
In a method for producing a toner for electrostatic development, a mixture of starting toner materials comprising at least a resin and a colorant is kneaded, extruded and cooled to obtain a toner...
|
|
|
5561018 |
Magnetic toner
A magnetic toner having a specific surface area of not more than 3.0 m 2 /g computed by the Brunauer Emmett Teller equation and the number of molecules of CO 2 gas, being equal to 100/nm 2 to...
|
|
|
5536614 |
Method for manufacturing a nonmagnetic single-component developer
A nonmagnetic single-component developer is manufactured by admixing fluoropolymer fine powder to a toner containing a thermoplastic binder resin and a coloring pigment in an amount of 0.1 to 10%...
|
|
|
5534379 |
Environmentally friendly toner composition
Toner compositions are formed by selecting a portion of at least one metal-containing pigment or dye and a portion of at least one metal-free pigment or dye, at least one pigment or dye containing...
|
|
|
5516612 |
Toner and developer compositions and processes thereof
Disclosed is a process for enhancing xerographic developer tribo product longevity comprising providing developer particles comprised of a toner comprised of at least one resin, pigment, charge...
|
|
|
5510221 |
Magnetic toner compositions
A process for avoiding, reducing, or minimizing comet formation which comprises adding to the surface of a magnetic toner comprised of resin particles, magnetite, carbon black, optional charge...
|
|
|
5464722 |
Production of toner for developing electrostatic images
A toner for developing electrostatic images is produced through a process including the steps of: pre-mixing binder resin particles carrying or containing inorganic fine powder to prepare a premix;...
|
|
|
5447275 |
Toner production process
A gas stream classifier includes: a gas stream classifying means for classifying feed powder into at least a coarse powder fraction and a fine powder fraction by an inertia force acting on...
|
|
|
5439773 |
Electrically-conductive toner, process for preparation of same, and process for formation of image using same
An electrically-conductive toner comprising toner mother grains and a lubricant which is at least one selected from the group consisting of an aliphatic acid, an aliphatic acid metal salt, an...
|
|
|
5370962 |
Toner compositions with blend compatibility additives
A process for the preparation of colored toners which comprises providing a first toner comprised of resin, pigment particles, internal charge additive, and optional surface additives; adding...
|