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7385002 |
Process for preparing resin binder for toner
The present invention relates to a process for preparing a resin binder for toner, comprising the steps of (A) carrying out an addition polymerization reaction of addition polymerization resin...
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7378209 |
Toner for electrophotography and method for forming image using the same
An electrophotographic toner used for an image forming method that utilizes a heat-pressure type fuser equipped with a fusing member having a surface layer containing polybenzimidazole, wherein the...
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7378206 |
Non-magnetic monocomponent positive toner composition having superior transfer efficiency
The present invention relates to a non-magnetic mono-component toner composition, which comprises a) a non-magnetic toner particle comprising a binding resin comprising a binder resin and a...
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7364826 |
Electrostatic latent image developing toner, and method for manufacturing electrostatic latent image developer and electrostatic latent image developing toner
There is provided an electrostatic latent image developing toner including a binder resin, a colorant, and a release agent, wherein the shape factor SF1 of the toner is within the range from 110 to...
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7351509 |
Toner
A toner is disclosed including toner particles containing a binder resin and a colorant. The binder resin contains a vinyl resin. In the high-temperature GPC-RALLS-viscometer analysis of the...
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7344815 |
Toner for forming electrostatic image
A toner for developing an electrostatic image is disclosed. The arithmetic average of shape coefficient SF-1 of the toner particles calculated by Equation 1 is from 125 to 170 and a ratio of that...
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7340202 |
Image forming apparatus and process cartridge for use therewith
An image forming apparatus and process cartridge that achieves extended operating life of a two-component developer without generating such problems as toner scattering, etc. either in the initial...
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7320850 |
Magenta toner
A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter,...
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7318988 |
Dry toners comprising amphipathic copolymeric binder having non-sorptive components in the shell portion thereof
The invention provides dry electrographic toner compositions comprising toner particles. The toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one...
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7314696 |
Electrophotographic toner and development process with improved charge to mass stability
Toners and developers are disclosed. The toner of the present invention contains at least one toner resin, at least one charge control agent, at least one surface treatment agent, and optionally at...
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7314695 |
Toner for developing electrostatic charge image
A toner for developing electrostatic charge images that exhibits superior fixability at low temperature so as to realize satisfactory fixing performance even with less energy, that exhibits high...
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7309553 |
Oilless toner
An oilless toner including at least (A) a cyclic olefin resin; (B) a resin having one or more carbon-carbon double bonds therein; and (C) a wax.
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7306888 |
Dry electrophotographic toners comprising amphipathic copolymers having acidic functionality
Dry electrophotographic toner compositions are provided comprising an amphipathic copolymer comprising acidic functionality covalently bonded to the amphipathic copolymer. Methods of making the...
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7300733 |
Black toner with defined loss tangent
To provide a black toner having excellent charging property and transferring property against a severe environmental change. The black toner includes toner particle containing at least a binder...
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7279261 |
Emulsion aggregation toner compositions
A toner includes particles of a resin, a leveling agent, an optional colorant, and additional optional additives, where the leveling agent is selected from silicon containing leveling agents, and...
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7252918 |
Hot-roller fixing toner for developing electrostatically charged images
This invention relates to a toner for developing an electrostatically charged image of a heat roller type copier or printer, the toner consisting essentially of a binder resin, a colorant and a...
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7244538 |
Binder resin for toner and toners
The present invention was investigated for the purpose of providing a binder resin for toner which is excellent in the low temperature fixing property which can cope with the development of...
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7226984 |
Binder for electrostatic image developing toner
Provided is a binder for an electrostatic image developing toner using a polyester resin in which at least a part of a carboxylic acid component (a) and/or an alcohol component (b) comprises a...
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7214460 |
Yellow toner
To provide a yellow toner allowing formation of an image with an excellent transparency for an OHP, an excellent coloring power, and an excellent light resistance. In the yellow toner including at...
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7214458 |
Toner compositions
A toner that contains resin, colorant, wax and an aromatic hydrocarbon compatibilizer.
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7208254 |
Binding resin for toner, toner and electrophotographic apparatus
In an electrophotographic apparatus, which forms a color image by transferring a plurality of toner images having different colors onto an image-receiving sheet so as to be stacked and fixed...
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7202003 |
Dry electrophotographic toners comprising amphipathic copolymers having basic functionality
Dry electrophotographic toner compositions are provided comprising an amphipathic copolymer comprising basic functionalities covalently bonded to the amphipathic copolymer. Methods of making the...
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7195853 |
Process for electrostatographic reproduction
A process for fusing toner to paper. The toner fusing system for conducting this process includes a fuser roller consisting of a base, and a fusing surface layer that includes both a...
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7157200 |
Emulsion aggregation black toner and developer with superior image quality
A black toner of toner particles including at least one binder, at least one black colorant, and a package of external additives is described, wherein the at least one binder includes a styrene...
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7153622 |
Electrostatic charge image developing toner, producing method therefor, image forming method and image forming apparatus utilizing the toner, construct and method for making the construct
A construct that comprises a base material and a polyhydroxyalkanoate, wherein at least a part of the base material is coated with the polyhydroxyalkanoate, and the polyhydroxyalkanoate comprises a...
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7147980 |
Toner and image forming apparatus
A toner having toner particles each comprising at least a binder resin, a wax, and a colorant is used in an image forming apparatus which has a fixing means comprising a belt-shaped heating member...
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7144667 |
Electrostatic charge image developing toner, and developer, image forming apparatus and image forming method using the same toner
The invention provides an electrostatic charge image developing toner containing a fixing resin and a wax, characterized in that in a DSC curve measured by a differential scanning calorimeter for...
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7138213 |
Cyan toner and method for forming an image
The present invention provides a cyan toner including: one or plural heat-absorption peaks in a temperature range of 30 to 200° C. in a heat-absorption curve obtained by using a differential...
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7135264 |
Organosol including amphipathic copolymeric binder and use of the organosol to make dry toners for electrographic applications
The present invention relates to amphipathic copolymeric binder particles chemically grown in a substantially nonaqueous liquid carrier to form an organosol. The invention also pertains to dry...
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7129013 |
Toner and developer for developing latent electrostatic images, and image forming apparatus
A toner for developing latent electrostatic images is in the form of particles prepared by dissolving or dispersing each component of a composition in an organic solvent to form a solution or...
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7115350 |
Low temperature fixing toner
A toner includes a binder resin, a charge control agent, and a pigment. The binder resin includes a main binder resin and 10 to 100 parts by weight of crystalline polyester that maintains a polymer...
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7112394 |
Thermosetting toner compositions, thermosetting developer compositions and methods for making and using the same
A toner composition includes a thermoset resin, cross-linking agent, and optionally additives such as colorants. The thermally cross-linkable toner composition may be fixed, using standard fusing...
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7094512 |
Electrophotographic printing method, monoazo iron complex compound, charge controlling agent using the same and toner using the charge controlling agent
An electrophotographic printing method which comprises using a charge controlling agent containing a monoazo iron complex compound of the formula (1) as an effective component,
wherein A 1 , A...
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7087355 |
Electrophotographic toner containing polyalkylene wax or high crystallinity wax
Toner particles having at least one toner resin and at least one polyalkylene wax or a wax having a percent crystallinity of 80% or more are described. The wax that is present in the toner...
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7052814 |
Toner
A toner for use in an oil-less fixing system free from an oil coating on a fixing roller, the toner includes a binder resin and a wax as well as carbon black having an oil absorption of 50 to 100...
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7049040 |
Electrostatically charged image developing toner containing a polyolefin resin having a cyclic structure
A toner for development of an electrostatically charged image, said toner comprising a binder resin, a colorant, a function imparting agent, and a charge control agent, wherein said binder resin at...
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7041420 |
Emulsion aggregation toner having novel surface morphology properties
A toner of the invention includes toner particles comprising a styrene acrylate binder and at least one colorant, and wherein the toner particles, in the absence of external additives, have a mean...
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7033719 |
Toner having specific relation between absorption spectra, and developer, image forming method and image forming apparatus using same
The present invention provides a toner, comprising a binder resin and a colorant, and having a plurality of absorption peaks in a wave number range of 400 to 4,000 cm −1 in an infrared...
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7026086 |
Toner, image forming method and process-cartridge
A toner formed of at least a binder resin, a colorant, a charge control agent and a wax, is provided with a uniform state of dispersion of the wax and good balance of low-temperature fixability and...
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7018765 |
Toner particle having a hardnes of 6.0 to 24.0 mN and a circularity of 0.92 to 0.99
An electrostatic photographic image forming toner is disclosed. The toner comprises a toner particle containing a binder resin and a colorant in which the binder resin has a specific softening...
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7018764 |
Toner for developing electrostatic images, process for preparing toner for developing electrostatic images, developer for developing electrostatic images and images forming method
The present invention relates to a toner for developing electrostatic images characterized in that a reactive polymer which cross-links when heated at a temperature higher than a maximum...
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7001702 |
Toner processes
A toner containing a mixture of a semicrystalline polymer, an amorphous polymer and a crystalline polyolefin; and a colorant.
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7001701 |
Color toner, electrostatic latent image developer, image forming method, and image producing device
The present invention discloses a color toner providing highly gloss image and documents with excellent long term storability; an electrostatic latent image developer; and an image forming method....
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6951702 |
Toner for developing static image, production method therefor and image forming method
A toner for developing a static image is disclosed. The toner has carboxyl group in an amount of from 0.1×10 −5 to 2.0×10 −5 moles/g in a condition that the toner particle is dispersed in...
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6942953 |
Image forming method
The present invention provides an image forming method comprising the steps of forming an electrostatic latent image on a surface of an electrostatic latent image bearing body, forming a toner...
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6939657 |
Method of manufacturing polymer resin particles for use in toners
A method of manufacturing polymer particles for use in a toner capable of incorporating fine wax particle in a polymer resin particle also in a case of adopting a dispersion polymerization method...
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6924074 |
TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER FOR ELECTROPHOTOGRAPHY USING THE SAME, IMAGE-FORMING PROCESS CARTRIDGE USING THE SAME, IMAGE-FORMING APPARATUS USING THE SAME AND IMAGE-FORMING PROCESS USING THE SAME
The present invention aims to provide a toner for electrophotography having both good image-fixing properties and good image-reproducibility and image fidelity. The toner contains a coloring agent,...
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6924073 |
Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatus
A toner for developing an electrostatic latent image, comprising a colorant, a releasing agent and a binder resin, wherein said binder resin comprises a first, non-linear resin, a second, linear...
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6916588 |
Binder resin for toner and toner
A binder for a toner containing a polyester resin (A); and a block copolymer (B) comprising a block comprising a sequence of ethylene hydrocarbon and/or a conjugated diene hydrocarbon-derived...
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6897003 |
Toner for recycle system and toner recycling type developing method
The invention provides a toner which can maintain sufficient image density upon continuous copying in a recycle system even under any environmental conditions without causing troubles such as...
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