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Document Title |
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8168360 |
External additive, toner, and image forming apparatus
To a toner used in an image forming apparatus is added an external additive whose main components are oxide fine particles in which dimethylsilyl groups are introduced to surfaces thereof, and...
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8163450 |
Toner, and image forming apparatus and image forming method using the toner
A toner including toner particles; and external additives including a fatty acid metal salt having an average primary particle diameter of from 0.5 to 1.5 μm; a positively chargeable particulate ...
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8142970 |
Toner compositions
A toner having a core with a first latex having a specific glass transition temperature, and further having a shell surrounding the core with a second latex having a specific glass transition...
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8114560 |
Toner, image forming apparatus, image forming method, and process cartridge using the toner
The present invention provides a toner containing at least a binder resin, a releasing agent, and a colorant, wherein the binder resin contains at least a polyester resin (A) having a softening...
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8107863 |
Developing device and image forming apparatus
A developing device and an image forming apparatus which can form a printing image having high resolution and a high quality level, while resolving various problems resulted from the use of small...
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8105743 |
Fine organic silicone particle for latent electrostatic image developing toners, external additive for toners, toner for developing latent electrostatic image, and two-component developer
The present invention provides an organic silicone fine particle for latent electrostatic image developing toners, wherein the organic silicone fine particle has a volume average particle diameter...
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8088933 |
Charge control agent and toner comprising the same
Discussed herein are a charge control agent and toner comprising said charge control agent. Said toner of the invention is comprised of a resin, a colorant, and the charge control agent, wherein,...
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8084177 |
Toners containing polyhedral oligomeric silsesquioxanes
Disclosed is a toner composition comprising toner particles which comprise a resin, an optional colorant, and a polyhedral oligomeric silsesquioxane compound.
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8039186 |
Toner for developing electrostatic image, developer for developing electrostatic image, and method for forming image
A toner for developing an electrostatic image comprises: a binder resin; and a releasing agent, wherein the binder resin comprises a polycondensation resin obtained by polycondensing a...
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8029959 |
Charge control agent and toner comprising the same
Taught herein is a charge control agent comprising a specific type of gallic acid metal complex represented by the following Chemical Formula (1) or Chemical Formula (2): In the formula (1), R1...
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8026031 |
Toner, vessel with the toner, developer, image forming apparatus and process cartridge and image forming method
Toner and a developer which are excellent in cleaning property and fixing property at low temperature, and capable of forming images with high quality are provided. A toner prepared by dispersing...
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8007974 |
Toner, image forming apparatus using the same, image forming method using the same, and process cartridge
A toner that is excellent in low-temperature fixing property, offset resistance, storage stability, charge rising property, charge stability with time and pulverizability and allows for forming...
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7943279 |
Copper complex compound and electrophotographic toner containing the same
A copper complex compound represented by Formula (1) is disclosed. in the formula, groups represented by R is a substituent, n is an integer of from 1 to 5 and the total carbon number contained in...
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7943280 |
Toner containing a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions
A toner containing a colorant, a binder resin and a laminar inorganic mineral in which part or all of the ions present between layers are modified by organic ions. The toner can be prepared by a...
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7939237 |
Nano-sized composites containing polymer modified clays and method for making toner particles using same
A method for making toners to include clay composites. The clay composites are incorporated into emulsion of toner and used in making toner via emulsion aggregation. Such toners may have a core...
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7923189 |
Hydrophobic salts of layered metal hydroxides
The invention relates to hydrophobic salts of layer-like metal hydroxides, which are obtainable by adding to a layer-like metal hydroxide salt, which contains trivalent, divalent and optionally...
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7892714 |
Toner particles having nano-sized composites containing polymer modified clays
A toner comprising toner particles, a polymer binder, at least one colorant and clay composites distributed in the polymer binder, wherein the clay composites comprise a polymer modified clay.
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7875412 |
Positive electrified charge control agent and positive electrified toner for developing electrostatic image
A positive electrified charge control agent comprising a silicon complex compound of an effective component represented by the following chemical formula (I) and/or chemical formula (II) (in the...
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7858281 |
Acid-base property considerations for improved additive attachment on toner
A developer comprised of a toner and at least one external surface additive, wherein an acid-base interaction has an Interaction Surface Parameter (ISP) of greater than 0, and wherein ISP is...
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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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7824831 |
Toner
A toner including a binder resin, a colorant, and a release agent is provided. The difference in absorbance ratio between the toner heated for 1 minute in an atmosphere of 100° C. and the toner ...
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7807326 |
Printing semiconducting components
A toner particle for use in electrostatic printing of a semiconducting electronic device, the particle comprising: a resin; and non-organic semiconductor particles dispersed in the resin.
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7799498 |
Toner used for image forming apparatus
The present invention provides an image forming apparatus capable of stably producing high quality images with time, without causing missing a central part of a thin line, however, with keeping an...
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7759038 |
Toner, development unit and image forming apparatus using the same
Disclosed is a toner containing resin mother particles and oil, in which the volume-average particle diameter of the resin mother particles is not less than 2 μm but less than 4 μm, (...
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7759039 |
Toner containing silicate clay particles for improved relative humidity sensitivity
Toner particles, preferably emulsion aggregation toner particles, have improved relative humidity sensitivity through inclusion therein of silicate clay particles such as kaolin clay. The toner...
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7704660 |
Developer for electronic printing, and process for producing glass plate having electric conductor pattern
To provide a process for producing a glass plate having an electric conductor pattern excellent in adhesion to the surface of the glass plate, whereby it is not required to have a screen ready for...
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7632618 |
Polyhydroxyalkanoate-containing structure and manufacturing method thereof
A method for manufacturing polyhydroxyalkanoate-containing structure, at least a part of a base material surface of the structure being coated with polyhydroxyalkanoate, the method comprises the...
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7611813 |
Toner and image forming method
Provided a toner including at least: toner particles each containing at least a binder resin, a release agent, and a colorant; and an inorganic fine powder, in which: a degree of aggregation Y1 at...
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7611815 |
External additive for toner for electrophotography, toner for electrophotography, double-component developer for electrophotography, image-forming process using the toner, and image-forming apparatus using the toner
An external additive for a toner for electrophotography which contains oxide fine particles which contain silicon, in which the oxide fine particles have a primary particle diameter of 30 nm to 300...
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7595138 |
Toner, two-component developer, and image forming method
A toner of the present invention is a toner comprising an additive and a toner matrix that contains a binder resin, a colorant, and a wax, in which the additive contains an inorganic micropowder to...
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7592114 |
Color toner for non-magnetic mono-component system for increasing printing quality and a method for preparing the same
The present invention relates to a color toner for a nonmagnetic mono-component printing system that improves the printing characteristics, and a preparation method thereof. More specifically, the...
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7582787 |
Charge control agent, manufacturing process thereof, charge control resin particles and toner for developing electrostatic images
Charge control agent whose active ingredient is a zinc compound of an alkylsalicylic acid derivative, the compound being a zincified alkylsalicylic acid derivative which is an alkylphenol...
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7572563 |
Toner for electrostatic image development
A toner for electrostatic image development containing a resin binder, a charge control agent, and a colorant, and wherein the charge control agent contains a metal complex of a salicylic acid...
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7569318 |
Use of salts of layered double hydoxides
A layered double hydroxide salt as a charge control agent in electrophotographic toners and developers, in powder coating materials, electret materials and in electrostatic separation processes of...
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7553595 |
Toner compositions and processes
A toner composition includes toner particles including a polymeric resin, a colorant, a wax, and an optional coagulant, and a coagulant applied as a surface additive to a surface of the toner...
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7537875 |
Toner
In a toner having toner particles which comprise toner base particles containing at least a colorant, a release agent and a polar resin, and an inorganic fine powder, the polar resin is a resin...
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7524600 |
Electrophotographic toner
Provided is a toner not undergoing the effect of change of temperature and humidity, with high charging stability and having good fixing property and releasability. This is an electrophotographic...
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7514190 |
Method for forming an electrophotographic image
An electrophotographic image forming method is disclosed, which includes the steps of developing an electrostatic image on a electrophotographic photoreceptor by a developer, transferring a toner...
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7501218 |
Electrostatographic toner containing organometallic dimethyl sulfoxide complex charge control agent
The present invention is an electrostatographic toner that includes an organometallic complex of dimethyl sulfoxide with a metal salt as a charge control agent having the structure; (M+n)x...
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7482106 |
Image forming method and image forming apparatus
An image forming method comprising steps of forming a toner image by developing by a toner a latent image on a photoreceptor comprised of a layer formed on a substrate, transferring the toner image...
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7479360 |
Electric charge controlling agent, toner for developing electrostatic charge image containing the same, and method for forming image using the toner
The charge control agent comprises aggregate particles including an azo-type iron complex salt represented by the following chemical formula [VI] (in the chemical formula [VI], B+ is (H+)x(Na+)...
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7452645 |
Toner for developing electrostatic image, method for producing the same, developer, image forming apparatus, process cartridge, and image forming method
A toner is disclosed, for developing electrostatic images by means of image forming apparatuses, that comprises toner particles, and an external additive, wherein the toner particles comprise a...
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7449273 |
Toner containing unsaturated polyester in binder resin, method for preparing the toner, and developer including the toner
A toner including a binder resin comprising a polyester resin in an amount of from 50 to 100% by weight, wherein the polyester resin includes an unsaturated polyester resin which is preferably a...
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7422832 |
Magnetic toner
Provided is a magnetic toner comprising magnetic toner particles each comprising at least a binder resin and a magnetic iron oxide, the magnetic toner being excellent in developability and...
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7402368 |
Hydrophobic inorganic fine particles, hydrophobic inorganic fine particles production process, and toner
Hydrophobic inorganic fine particles characterized by being a mixture of at least small-particle-diameter inorganic fine particles having an average primary particle diameter of 5 to 25 nm and...
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7399567 |
Toner for electrostatic latent image development, electrostatic latent image developer containing the toner, and image formation method using the developer
A toner for electrostatic latent image development containing at least a binder resin and a colorant, wherein [Fe]/[C] satisfies the following formula (1) where [C] indicates the carbon content (%)...
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7390603 |
Image forming apparatus and toner
The present invention provides An image forming apparatus having: a negatively chargeable spherical toner; an latent image carrier; a charging member for charging a surface of the latent image...
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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...
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7387670 |
Pigment preparations based on phthalocyanine pigments
A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the...
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7384722 |
Method for preparing functional particulate organic material, toner using the functional particulate organic material, and image forming method and apparatus using the toner
A method for preparing a functional particulate organic material, including providing a suspension of a particulate organic material having an acid group on a surface thereof; reacting a metal...
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