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Document Title |
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8178276 |
Method of manufacturing toner
A method of manufacturing a toner including granulating mother toner particles in an aqueous medium to obtain a slurry containing the mother toner particles and adjusting a size distribution of the...
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8168364 |
Resin-filled carrier for electrophotographic developer, and electrophotographic developer using the resin-filled carrier
A resin-filled carrier for an electrophotographic developer obtained by filling resin into voids of a porous ferrite core material, wherein the porous ferrite core material has a pore volume of...
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8163453 |
Toner having particles and titanate compound
Disclosed is a toner which can be charged at a designated level even when a lot of print is carried out with severity of charging by stirring and when the printing is carried out under the low...
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8142972 |
Developer for replenishment and image forming method
Provided is a developer for replenishment capable of forming a high-quality image even upon duration. The developer for replenishment includes at least a toner and a magnetic carrier, and in the...
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8132451 |
Characterization tools for toner adhesion and adhesion distribution
A system, method and device for measuring toner performance by randomly applying a toner sample having toner particles to a substrate, and positioning the substrate such that a force may be applied...
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8114562 |
Two-component developer, replenishing developer, and image-forming method
A two-component developer containing a yellow toner and a magnetic carrier, wherein the yellow toner has the characteristics: (i) when the concentration of the yellow toner in a solution of the...
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8092967 |
Developing agent
The developing agent is selected to have a distribution of adhesive force to the surface of an image carrier, which is configured such that the ratio of the developing agent having an adhesive...
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8084179 |
Electrostatic image developing toner having specific variation coefficient of number distribution, two-component developer, image forming method and process cartridge
A toner including: toner particles which include: a colorant, a releasing agent, and a binder resin. The number average particle diameter of the toner particles is in the range of from 3.5 μm to ...
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8084178 |
Non-magnetic toner
A non magnetic toner comprises toner particles each containing at least a binder resin, a colorant and a wax component. The toner further comprises an inorganic fine powder. A storage elastic...
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8084180 |
Toner compositions
Toner particles are provided which may, in embodiments, include a core possessing at least one polyester resin in combination with a colorant, optional wax, and optional other additives, and a...
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8080353 |
Toner compositions
A toner having its surface functionalized with functional groups, and processes for producing the same, are provided.
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8057978 |
Toner for electrophotography
An electrophotographic toner is disclosed, meeting the requirement that G′ (60)/G′ (80) is from 1×102 to 1×104, where G′ (60) G′ (80) are each a storage modulus of the toner at 60° C. and 80° C....
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8053156 |
Toner, and toner production process
In a chart of molecular weight distribution measured of a toner, i) the toner has a main peak in the region of molecular weight of 16,000 to 60,000, and ii) where the molecular weight at the main...
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8043780 |
Toner, and developer, developing apparatus, process cartridge, image forming apparatus and image forming method
A toner that includes toner base particles including a binder resin and a colorant, wherein the toner base particles have a surface roughness (Ra) of 18 nm to 50 nm and a standard deviation (RMS)...
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8043779 |
Pulverized toner
To provide a pulverized toner excellent in the releasing ability and cleaning ability, and an image-forming apparatus for one-component developer, and a process cartridge using the pulverized...
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8043782 |
Toner for electrophotography
A toner for electrophotography is provided including a binder resin, a coloring agent, a charge controlling agent, and a releasing agent, wherein when the temperature of the toner is in the range...
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8039184 |
Two-component developer
Provided is a two-component developer with which degradation of development is inhibited even in the case of prolonged use, and thereby a high quality image exhibiting high resolution and...
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7977022 |
Developer, process cartridge, and image forming apparatus
The invention provides a developer having at least a toner, an aeration ratio (AR) of the developer measured by a powder rheometer being in a range of about 5.0 to about 10.0. It is preferable that...
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7951518 |
Polyester resin for toner, toner composition and resin particle
Disclosed is a heat-fusible electrostatic image developing toner which has an excellent balance between fixability at low temperatures and grindability and is excellent in glossiness after fixing....
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7939233 |
Magnetic carrier and two-component developer
A magnetic carrier and a two-component developer are provided which have remedied blank areas, fog after leaving, carrier sticking during running, and image density variations before and after...
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7939234 |
Carrier for electrostatic image development, and image formation method and apparatus
An image forming apparatus, including a latent image-holding member, a developing unit, a transfer unit, a cleaning unit, and a recycling unit, wherein the developer includes a toner having an...
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7935470 |
Toner for electrophotography
A toner for electrophotography is provided including a binder resin, a colorant, a charge control agent, and a release agent, wherein a glass transition temperature (Tg) is over 55° C., a ...
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7932007 |
Toner and method for producing the same, and image-forming method using the same
There are provided: a method for producing a toner containing to granulate a toner and to subjecting the granulated toner to at least washing with an alkali washing solution, in which the total...
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7927775 |
Magnetic carrier and two component developer
Provided is a magnetic carrier giving a high quality image free of density variation without the occurrence of fogging or carrier adhesion and having excellent dot reproducibility even during...
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7927776 |
Toner for electrophotography
A toner for electrophotography is provided that includes a binder resin, a colorant, a charge control agent, and a releasing agent, wherein the toner has a complex viscosity (η) of about 4.0×101 P...
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7923190 |
Toner
In a toner containing at least a binder resin, a colorant, an ester compound and a low-melting material, the ester compound is an ester of dipentaerythritol with a carboxylic acid having 18 or more...
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7914964 |
Both-sided image forming method
An image forming method of forming images on both sides of a recording sheet; comprising the steps of: fixing a first toner image on a first surface a recording sheet; and fixing a second toner...
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7910277 |
Predicting relative humidity sensitivity of developer materials
A method of predicting a Lewis acid-base relative humidity (RH) ratio in a two-component developer comprised of at least a toner and a carrier including selecting a candidate toner, selecting a...
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7906264 |
Electrostatic latent image developing toner and method for producing the same, and electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatus
The invention provides: an electrostatic latent image developing toner comprising a non-crystalline resin, a crystalline resin having a melting point of 50 to 100° C., and a colorant, and ...
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7906263 |
Color toner for developing electrostatic latent image
The color toner for developing electrostatic latent images comprising a colored resin particle containing at least a binder resin, a colorant, a charge control agent and a parting agent, wherein an...
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7906262 |
Two-component developer, replenishing developer, and image-forming method
A two-component developer containing a cyan toner and a magnetic carrier, wherein the cyan toner has the characteristics: (i) when the concentration of the cyan toner in a solution of the cyan...
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7901857 |
Electrostatic latent image developing toner, production method thereof, electrostatic latent image developer, and image forming method
The present invention provides a toner for developing an electrostatic latent image comprising at least a core layer including at least a coloring agent and a first binder resin, and a shell layer...
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7892717 |
Toner for electrostatic image development, electrostatic image developer and image forming method using the same
The invention provides a toner for electrostatic image development having at least a binder resin and a colorant and having an existence ratio of an IA Group element, from which hydrogen is...
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7879520 |
Toner for developing electrostatic image and image formation process using it
A toner for developing an electrostatic image comprises a binding resin for a toner and a charge control agent including an azo-type iron complex salt represented by the following chemical formula...
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7880483 |
Method for inspecting quality of core material for electrophotographic ferrite carrier
An object of the present invention is to provide a quality inspection method for obtaining a specifying factor which can more reliably indicate powder characteristics of a core material for an...
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7877053 |
Adjustable gloss control method with different substrates and 3-D image effect with adjustable gloss
By using a high or low viscosity transparent toner, with respect to the other color toners, and different amounts of transparent toner lay-down, the gloss of an image printed by an...
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7867683 |
Toner, method of producing the same, developer, and image forming apparatus
A toner that when the complex elastic modulus measured at an angular frequency of 6.28 rad/sec., and a strain amount of 0.3% is 1×106 Pa or more and 1×108 Pa or less, the tangent loss is 0.5 or m...
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7867678 |
Toner for use in a chilled finish roller system
A toner composition for fixing onto a receiver in conjunction with non-contact fuser capable of fusing one or more layers of toner on the receiver such that one or more toner layers reach a fusing...
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7858282 |
Toner
Provided is a toner including toner particles each containing a binder resin, a colorant, and a wax, and inorganic fine particles, the toner having such a characteristic that a temperature-storage...
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7853188 |
Image forming apparatus and image forming method
A technology capable of suppressing the generation of transfer scattering of a toner image on an intermediate transfer body and contributing to an improvement in image quality in an image forming...
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7851116 |
Emulsion aggregation high-gloss toner with calcium addition
Toner including toner particles having a calcium-containing material at least in a surface portion of the toner particle, wherein the toner particles contain calcium in an amount of from 20 ppm to...
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7833688 |
Methods for reducing plasticization and blocking in polyester toner compositions
Use of a wax in a toner, such as carnauba wax, to give an increase in charge control agent in a toner, such as a magenta toner, to give an increased glass transition temperature is disclosed. The...
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7824833 |
Resin-coated ferrite carrier for electrophotographic developer, its production method, and electrophotographic developer using the resin-coated ferrite carrier
A spherical resin-coated ferrite carrier for an electrophotographic developer which can maintain a stable resistance and chargeability, a favorable charge rising property because of an excellent...
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7824834 |
Toner for developing electrostatic image, method for preparing the toner, and image forming method and apparatus using the toner
A toner including a binder resin; a colorant; a release agent; and a modified layered inorganic material in which at least part of interlayer ions is modified with an organic ion, wherein the toner...
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7816063 |
Color toner and two-component developer
The present invention relates to a toner which has good property such as fixability, coloring power, developability, durability, and environmental stability and so on. More specifically, the...
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7811736 |
Image fixing method
An image-fixing method for heat-fixing a toner image, by feeding an transfer medium carrying the toner image between a heating unit heated by an induction-heating process and a pressurizing unit...
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7799500 |
Image forming method
Disclosed is an electrophotographic image forming method which comprises steps of forming a toner image on an image support, fixing the toner image on the image support in a fixing nip section of a...
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7794908 |
Toner
Provided is magnetic toner including capsule type toner particles each having a surface layer (B) on a surface of a toner base particle (A) containing at least a binder resin (a) mainly formed of a...
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7790343 |
Process, toner, process cartridge and apparatus for developing a toner image
A process includes developing toner images on a photoconductor, transferring to an intermediate transfer belt and a transferring-and-fixing roller. The toner images are transferred to and fixed to...
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7785761 |
Transparent toner, developer including same, gloss-providing unit and image forming device
A transparent toner to be used for a transparent toner image formed with a color toner image, wherein a thermoplastic resin constituting the transparent toner is made of a resin obtained by...
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