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Document Title |
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7608378 |
Developing agent and method for manufacturing the same
A method for manufacturing a developing agent by mixing a coarsely granulated mixture containing a binder resin and a coloring agent with an aqueous medium and mechanically stirring the resulting...
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7608379 |
Toner and manufacturing method thereof
A toner of excellent anti-hot offsetting property, with no variety of the charging performance and suitable as a toner for the development of electrostatic images, and a manufacturing method...
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7572566 |
Toner for development and method of producing toner
According to the method of producing toner, toner is produced by (i) forming particles of a pigmented resin by applying shear stress to a mixture of a pigmented resin composition, an organic...
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7563555 |
Toner, developer including the toner, and method for fixing toner image
A toner composition including toner particles including a binder resin including a modified polyester resin, and a second resin having a weight average molecular weight of from 2,000 to 10,000; a...
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7534542 |
Binder resin for toner, method for producing the same, and toner for electrophotography using the resin
Disclosed is a binder resin for a toner which contains a styrene-acrylic resin having a gel component and a small amount of a volatile component. Also disclosed are a method for producing the...
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7445879 |
Preparation of suspension polymerized toners
The invention relates to a process for the preparation of a dry toner powder containing a wax component and formed using a limited coalescence suspension polymerization process. Both conventional...
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7419756 |
Dry toner, method for manufacturing the same, image forming apparatus, and image forming method
A dry toner contains fine particles having average sphericity of 0.93 to 0.99, a content of the fine particles having a particle diameter of 2 μm or less in the dry toner is 20% by number or less....
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7374848 |
Toner and method or preparing the toner
A toner including a binder; a colorant; and a wax, wherein the binder includes a polyester resin; and a reaction product of a polymer having a group capable of reacting with an active hydrogen with...
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7303847 |
Dry toner
A dry toner is provided that is prepared by a method including the steps of (A) dissolving or dispersing a toner composition in an organic solvent to prepare a toner composition liquid and (B)...
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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...
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7252921 |
Toners with improved pigment dispersion
The invention relates to color toner compositions prepared from an aqueous pigment concentrate dispersion which renders a toner exhibiting improved pigment dispersion, and consequently improved...
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7247416 |
Toner processes and compositions thereof
The invention relates to color toner compositions prepared from a process for the preparation of a dry toner powder from an aqueous pigment concentrate dispersion comprising: blending at least an...
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7247415 |
Process for preparing toner particles and toner particles
Toner particles are prepared by a process comprising providing an extrusion apparatus; adding resin particles and additive particles to a supply means in the extrusion apparatus; adding the resin...
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7141344 |
Electrostatic image developer and image-forming process
An image-forming process, which comprises steps of developing an electrostatic latent image on an inorganic photoreceptor with an electrostatic image developer containing 0.1 to 5.0% by weight,...
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7118843 |
Method for manufacturing toner, toner, fixing device, and image forming apparatus
A toner having high mechanical strength and being capable of exhibiting a sufficient fixing property in a wide temperature range, and a method for manufacturing such a toner are provided. Further,...
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7090955 |
Black toner, image forming method and image forming apparatus using the toner
A toner for developing an electrostatic latent image, including toner particles each containing a black colorant and a binder resin, wherein the black colorant comprises a metal oxide having a...
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6969574 |
Black toner, image forming method and image forming apparatus using the toner
A toner for developing an electrostatic latent image, including toner particles each containing a black colorant and a binder resin, wherein the black colorant comprises a metal oxide having a...
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6861193 |
Fluorescent liquid toner and method of printing using same
Charged toner particles for use in electrostatic imaging, comprising: a toner polymer; and at least one particulate fluorescent material, wherein the toner particles are formed with fibrous...
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6852463 |
Apparatus for producing toner, method for producing toner, and toner
An apparatus for the production of a toner from a starting material having a fluidity includes a head portion and a solidifying portion. The head portion for ejecting the starting material includes...
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6821697 |
Toner for electrostatic image development and method of producing the same
A toner for electrostatic image development made of a polyester resin having a spherical or generally spherical shape, which allows the use of a so-called oilless fixation system capable of fixing,...
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6821703 |
Method for producing polyester resin particle dispersion material, method for producing polyester resin particles, and method for producing electrophotographic spherical toner
A polyester resin particle dispersion material, in which the average particle size can be easily controlled within a broad range and is less likely to form irregular particles, and which is also...
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6436599 |
Toner, method of producing toner, and image forming method using toner
The present invention provides a toner comprising a binder resin, a colorant, and a releasing agent wherein the releasing agent has an endothermic starting temperature of 40° C. or more and a...
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6380297 |
Polymer particles of controlled shape
A method for the preparation of polymer particles comprising the steps of: a) forming an organic phase by dissolving a polymer material in a solvent; b) dispersing the organic phase in an aqueous...
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6287742 |
Toner compositions and method of producing toner for developing latent electrostatic images
A process for producing microspheric toner particles suitable for color toner applications includes forming coarse particles of an amorphous polymer with one or more pigments and optionally a...
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6235444 |
Toner for developing electrostatic latent image and manufacturing method thereof
The present invention relates to toner comprising a binder resin and a colorant, wherein the toner is manufactured by a wet-type granulation method using an organic dispersing agent, an aqueous...
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6183924 |
Electrostatic image developer
The present invention provides a novel developer comprising a spherically particulate toner having a volume-average particle diameter of from about 1 to 6 μm for use in the development of...
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6171743 |
Electrostatic latent image-developing toner
The present invention relates to an electrostatic latent image-developing toner produced by a wet granulation method, containing at least a binder resin and a colorant, and having a volume-area...
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6159647 |
Non-magnetic yellow toner
The present invention relates to a non-magnetic yellow toner for use in full-color image forming apparatuses, such as full-color electrostatic copying machines and full-color laser beam printers,...
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6156473 |
Monodisperse spherical toner particles containing aliphatic amides or aliphatic acids
A nonconductive toner composition comprising monodisperse spherical particles includes a binder polymer, a charge control agent, and an aliphatic acid or aliphatic amide uniformly distributed in...
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6108506 |
Developer and magnetic image formation apparatus using the same
A magnetic image forming apparatus includes a developer for developing a magnetic latent image. The developer has a liquid ink and particles of a resin to be dispersed in the liquid ink. The...
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6106990 |
Process for producing toner particles
A process for producing toner particles is conducted by: preparing toner precursor particles containing at least binder resin and coloring agent; and spherizing the toner precursor particles...
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6017670 |
Electrophotographic toner and process for the preparation thereof
An electrophotographic toner having a volume-average particle diameter of from 3 to 15 μm. The toner comprises a spherical particulate material having an average circularity of not less than 0.97...
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6001528 |
Production method of toner for electrophotography
The present invention relates to a process for preparing a toner for electrophotography, which comprises at least the steps of: providing a toner composition solution by mixing a binder resin, a...
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5981134 |
Liquid developer for electrophotography
A liquid developer for electrophotography using a polyester resin as a toner binder resin which is suitable for high-speed systems and has excellent stability over time is disclosed. The invention...
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5972548 |
Process for forming an image on ceramic substrates
A process for forming high quality colored or multi-colored ceramic images or designs on ceramic surfaces comprising: (a) forming a liquid toner image comprised of polymer based toner particles...
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5968689 |
Image-forming material, process for preparation thereof, and image-receiving medium
The present invention provides an image-forming material which can be removed easily from image-receiving paper while maintaining the fixability to the image-receiving paper; a preparation process...
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5968702 |
Toner particles of controlled shape and method of preparation
A method is described for the preparation of electrophotographic toner particles which includes the use of SOLSPERSE®. The method involves dissolving in ethyl acetate a hyperdispersant selected...
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5935751 |
Toner for developing electrostatic latent image, process for manufacturing the same, developer for electrostatic latent image, and image-forming method
Disclosed is a toner for developing an electrostatic latent image comprising a binding resin and a colorant, wherein the toner contains from 0.1% to 40% by weight of wax, the amount of wax disposed...
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5843614 |
Manufacturing method for toner used in electrophotography
A novel manufacturing method for toner used in electrophotography employing no organic solvent is disclosed. The method comprises the steps of: (1) combing a colored melted resin (a) and an aqueous...
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5780196 |
Toner and liquid developer, liquid developer, and method of producing same
A method for producing a liquid developer comprising steps of: adding a colored resin to a nonpolar dispersion medium; elevating the temperature of said nonpolar dispersion medium above the...
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5714292 |
Toner comprising calix arene compound
The present invention relates to a toner for developing an electrostatic latent image, comprising a calix arene compound expressed by the following general formula I!: ##STR1## wherein R 1 and R...
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5622802 |
Toner for electrostatic latent image developing
A toner for electrostatic latent image developing comprises a binder resin and a coloring agent. The binder resin is preferably a polyester resin having specified properties. The coloring agent is...
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5620826 |
Polymer suspension method for producing toner particles
A method is provided for producing dry toner particles comprising the steps of: (i) dissolving at least one organic polymer (toner resin) in a solvent therefor to form a solution, said solvent...
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5607807 |
Supercritical processes and liquid developers
A process for the preparation of liquid developers which comprises contacting said developers with supercritical carbon dioxide.
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5607808 |
Liquid toner, ink composition, and methods of producing the same
A liquid toner and an ink composition, which comprise a dispersion of copolymer resin particles composed of at least two different monomer components in a dispersion medium. The copolymer resin...
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5604067 |
Toner for electrostatic latent image developing and manufacturing method of same
A resin-formed toner for developing electrostatic latent images manufactured by a wet process, wherein 10 parts by weight of said toner is added to 100 parts by weight of deionized water to produce...
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5604068 |
Electronograph developing agent and method of manufacturing the same
An electronograph developing agent containing polymerized particles of non-uniformly-shaped aggregated materials obtained by aggregated of colloidal oil drops, each having a developing-agent core...
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5604071 |
Toner for developing electrostatic image
The toner for developing an electrostatic image, excellent in any environmental conditions, comprises the colorant-containing resin particles and at least one kind of fine titanium oxide powder...
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5591559 |
Supercritical toner processes
A process comprising subjecting a toner comprised of resin and pigment to a particle size reduction in an organic fluid containing from about 2 to about 60 percent of solids, which solids are...
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5578407 |
Color toner for developing electrostatic images, process for its production, and color image forming method
A color toner for developing an electrostatic image has color toner particles containing a binder resin and a colorant. The color toner particles have been obtained by mixing a mixture containing...
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