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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...
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7371498 |
Extrusion drying process for toner particles useful in electrography
The present invention relates to methods of drying and recovering toner particles from a liquid carrier. The methods are very effective to generate discrete, substantially non-agglomerated dry...
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7354690 |
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...
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7344817 |
Drying process for toner particles useful in electrography
The present invention relates to methods of drying and recovering toner particles from a liquid carrier. The methods are very effective to generate discrete, substantially non-agglomerated dry...
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7323281 |
Toner, developer including the toner, container containing the toner or the developer and method of producing the toner
A toner comprising toner particles comprising a first binder resin; a second binder resin different from said first binder resin and having a glass transition temperature of from 40 to 55° C.; a...
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7297459 |
Fluidized bed spray coating of polyester chemical toners with additives
A process for manufacturing a toner having improved relative humidity sensitivity is described. The process comprises forming polyester toner particles by emulsion/aggratation, fluidizing the toner...
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7285367 |
Method of manufacturing a toner
A method of manufacturing a toner for developing static charges in an aqueous system is provided which includes preparation step for a resin kneaded product, preparation step for the aqueous...
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7252920 |
Method for manufacturing polymerized toner
A method for manufacturing a polymerized toner comprising a process for forming fine droplets of a polymerizable monomer composition in an aqueous dispersion medium, and a process for polymerizing...
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7208255 |
Powder-coated toner particles and method of making same
A color toner composition for developing latent electrostatic images includes nanopowder-coated toner particles, the powder-coated toner particles being characterized in that each comprises a core...
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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...
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7169527 |
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...
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7169526 |
Toner for the development of electrostatic image and the production process thereof
A toner for the development of an electrostatic image is provided wherein at least one layer of a particulate resin is coated onto a substantial portion of the surface of an agglomerate of...
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7083890 |
Toner and image forming apparatus using the toner
A toner is used in an image forming process employing a toner recycling system and contains at least a modified polyester resin, a coloring agent, and a releasing agent. The toner has a...
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7049039 |
Coloring agent for toner, and toner
A coloring agent for use in toners which comprises coloring particles modified with a surface modifier having in one molecule a hydrophilic moiety, a hydrophobic moiety, and a reactive moiety...
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7005224 |
Polyolefin waxes modified to make them polar in photocopier toners
The present invention relates to the use of polyolefin waxes which have been prepared by means of metallocene catalysts and have been modified to make them polar in photocopier toners and also to...
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6887638 |
Toner for developing electrostatic latent image, process for producing the same, process for forming image, apparatus for forming image and toner cartridge
A toner for developing an electrostatic latent image is provided that is excellent in releasing property upon fixing and shape controllability upon production of the toner. The toner for developing...
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6887637 |
Toner for electrostatic image development and process for producing the same
A toner for electrostatic image development, which comprises a binder resin, a colorant and a charge control resin, wherein the charge control resin is a copolymer composed a vinyl monomer unit and...
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6858369 |
Toner and manufacturing method thereof
According to a toner and a manufacturing method of the present invention, the toner, which is composed of a binding resin component precipitated in particle shapes with a coloring agent component...
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6806011 |
Dry toner for electrophotography, and its production process
The present invention provides an electrophotographic dry toner comprising colored resin particles with releasing agent particles dispersed in a binder resin or an electrophotographic dry toner...
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6743559 |
Toner compositions comprising polyester resin and polypyrrole
Disclosed is a toner comprising particles of a polyester resin, an optional colorant, and polypyrrole, wherein said toner particles are prepared by an emulsion aggregation process. Another...
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6730450 |
Toner compositions comprising polyester resin and poly (3,4-ethylenedioxythiophene)
Disclosed is a toner comprising particles of a polyester resin, an optional colorant, and poly(3,4-ethylenedioxythiophene), wherein said toner particles are prepared by an emulsion aggregation...
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6720122 |
Toner for developing static charge image and method for preparation thereof
A toner for development of electrostatic images, comprising colored particles containing at least a binder resin, a colorant and a softening agent, wherein the softening agent is an organic...
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6686112 |
Electrophotographing dry-type toner and production method therefor
The present invention provides an electrophotographic dry toner comprising colored resin particles with releasing agent particles dispersed in a binder resin or an electrophotographic dry toner...
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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...
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6664018 |
In-situ method of forming zinc stearate dispersion and use thereof in toners
A method of forming an aqueous dispersion of particles of zinc stearate includes the steps of forming a mixture of at least one surfactant and water, heating the mixture to a temperature of from...
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6656653 |
Toner for the development of electrostatic image and method for producing the same
A toner is provided for the development of an electrostatic image which includes an agglomerate of particles obtained by agglomerating at least primary polymer particles and primary colorant...
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6632579 |
Toner for electrophotography and manufacturing method thereof
A toner for electrophotography comprises a resin, a colorant and a charge controlling agent, wherein the charge controlling agent is substantially present on a surface part of the toner, and...
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6617091 |
Production method of toner
A method of preparing toner for developing an electrostatic image is disclosed. The method comprises process for adhering by fusing resin particles onto surface of colored particles (core...
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6602644 |
Toner and image forming method
A toner for developing an electrostatic latent image is disclosed. The toner comprises a resin, a colorant and a releasing agent or a crystalline polyester compound, and the toner has crushability...
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6566028 |
Toner, and process for producing toner
A toner is comprised of toner particles composed of at least a binder resin and a clorant, wherein the toner particles each have a coating layer formed on their surfaces in a state of particulate...
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6566025 |
Polymeric particles as external toner additives
A toner composition includes toner particles formed of a resin and a colorant; and one or more external additives, at least one of the external additives including polymeric particles, applied to a...
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6544706 |
Polymerized toner and production process thereof
A polymerized toner of a core-shell structure, comprising colored polymer particles which contain a colorant, and a polymer layer which covers each of the colored polymer particles, wherein the...
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6337168 |
Toner particles with modified chargeability
A liquid toner for electrostatic imaging which includes: an insulating non-polar carrier liquid, at least one charge director and toner particles dispersed in the carrier liquid. The particles...
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6335138 |
Production method of toner
A production method of toner particles has steps of mixing a binder resin and a colorant, melting and kneading the mixture, pulverizing the kneaded material, and classifying the pulverized...
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6312861 |
Toner compositions
A toner comprised of resin, colorant and a coated silica, and wherein said silica has a primary particle size of about 25 nanometers to about 55 nanometers, and an aggregate size of about 225...
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6214511 |
Toner and manufacturing method thereof
A toner, wherein at least a part of inorganic fine particles is fixed on the surface of core particles made of a binder resin containing a colorant, by applying heat in a hot air flow, is designed...
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6187496 |
Toner and developer for developing electrostatic image, process for production thereof and image forming method
A toner for developing an electrostatic image is formed of toner particles; wherein each toner particle includes (i) 100 wt. parts of a binder resin having a glass transition point (Tg) of 50-70°...
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6180307 |
Layered polymer particles, toner formed therefrom and methods for forming the same
A layered particle for use in forming toner may be formed by forming a core region; polymerizing in the presence of the core region at least one monomer feed to form at least one intermediate layer...
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6174641 |
Non-magnetic toner for developing electrostatic latent image
The present invention relates to a non-magnetic toner for developing electrostatic latent images, having; an average degree of roundness of not less than 0.960, a standard deviation of degree...
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6132919 |
Polymerized toner and production process thereof
A polymerized toner of core-shell structure, comprising core particles composed of colored polymer particles, which comprise a polyfunctional ester compound formed of a trifunctional or still...
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6110633 |
Color magnetic toner and process for producing the same
It is to provide a powder for use as a raw material for color magnetic toners for use in a color copier or the like which have been colored vividly as well as in white, and a dry color magnetic...
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6083653 |
Cyclooligosaccharide-boron complex
Cyclosaccharide-boron complexes consisting of 1 to 4 cyclodextrin units and one borate radical of the formula (I): ##STR1## have good charge control properties and lend themselves excellently to...
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6077640 |
Fine powder of hydrophobic metal oxide, method for producing it, and toner composition for electrophotography
A fine powder of a hydrophobic metal oxide is provided which is produced through surface treatment of fine powder of a metal oxide with an epoxy compound and an alkylsilazane or ammonia thereby...
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6033822 |
Process for producing polymerized toner
Disclosed herein are a polymerized toner of core-shell structure, comprising core particles composed of colored polymer particles having a volume average particle diameter (dv) of 0.5-20 μm and a...
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6020101 |
Toner composition and process thereof
A toner comprised of a core comprised a first resin and colorant, and thereover a shell comprised of a second resin and wherein said first resin is an ion complexed sulfonated polyester resin, and...
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5981129 |
Electrophotographic toner and method of manufacturing same
An electrophotographic toner is made up of toner particles composed of irregularly-shaped core particles made chiefly of binder resin, and surface-modifying fine particles which are first dispersed...
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5885743 |
Electrophotographic toner and process for the preparation thereof
Disclosed are an electrophotographic toner which is a spherical particle comprising a binder resin having encapsulated therein a colorant and has a volume average particle size of from 3 to 12 μm,...
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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,...
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5714291 |
System for authenticating printed or reproduced documents
An improved laser printer or photocopier toner for authentication is made by mixing conventional toner particles with submicron ultraviolet sensitive particles that exhibit detectable...
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5686217 |
Carrier particles bearing insoluble metal salt deposits
Carrier particles for use in negative electrostatographic developers wherein said particles bear, based on the weight of the carrier particles, from 0.1 to 2 weight percent of deposits selected...
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