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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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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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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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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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7354689 |
Process for producing toner
A waste toner reclamation process includes collecting waste toner, screening the collected waste toner, meltmixing the screened waste toner with a second toner, and extruding, grinding and...
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7354688 |
Toner compositions with surface additives
A toner composition includes a binder, a colorant, and a surface additive package including a polydimethylsiloxane surface treated silica, a surface treated titania, and calcium sterate. The toner...
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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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7329476 |
Toner compositions and process thereof
A toner composition is provided which contains a polyester resin with hydrophilic groups and hydrophobic end groups and a colorant, wherein said polyester resin is of the formula:
wherein R is...
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7323283 |
Method of producing an electrostatic charge image developing toner
A pulverized starting material is supplied quantitatively from a quantitative feeder 1 to a first mechanical pulverizer 2 where the material is pulverized moderately, the resulting moderately...
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7316881 |
Method of producing a custom color toner
A method of producing a custom color particulate toner for use in a two-component developer by mixing two or more component color toners. The component color toners are each surface treated with a...
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7309558 |
Use of salt-like structured silicas as charge control agents
The present invention relates to the use of salt-like structured silicates, in which the cation is NH 4 + , H 3 O + , an alkali metal, alkaline earth metal, earth metal or transition metal ion or a...
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7309554 |
Negatively chargeable toner, method for producing the same, and full color image forming apparatus using the negatively chargeable toner
A negatively chargeable toner containing: resin particles containing a colorant; and an external additive which coats the surface of the resin particles, wherein the external additive contains;...
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7300734 |
Toner compositions
A toner composition comprising a binder, colorant, and a charge control surface additive mixture comprising a mixture of a first titanium dioxide possessing a first conductivity and a second...
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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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7288352 |
Toner compositions with surface additives
A toner composition including a binder, a colorant, and a surface additive package including a surface treated silica, a surface treated titania, and magnesium stearate.
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7282313 |
Preparation method of toner and toner
Disclosed is a production method of an electrophotographic toner, which comprises toner particles comprising a resin and a colorant. The method comprises a step of forming toner particles in an...
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7267921 |
Process for forming toners from dry pigments
A process for preparing toner compositions using a dry pigment is provided. The process comprises combining a base toner resin composition, a dry pigment, and dispersion agent in a one step...
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7267918 |
Toner and method of manufacturing toner
Cross-linked type organic fine particles are used as organic fine particles having a core-shell structure to be attached to a base particle, and the cross-linking degree of the core part is made...
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7267864 |
Image supporting material, method for use thereof and image forming apparatus utilizing the same
The present invention provides an image supporting material for fixably supporting a color toner image, the material including a base material, a light scattering layer provided on the base...
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7261989 |
Toner for developing electrostatic images, developer, image forming method, and image forming apparatus
The object of the present invention is to provide a toner which has sufficiently high chargeability and less toner spent to a carrier or the like even when several tens of thousands of image sheets...
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7258960 |
Production apparatus of toner for developing electrostatic images, production method thereof, and toner for developing electrostatic images
An apparatus for producing toner for developing an electrostatic latent image, is provided with an inlet section to receive a slurry containing toner particles, impure fine particles having a...
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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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7238459 |
Method and device for processing powder
A powder is de-aerated in a collector and then transferred to a chamber via a valve. The chamber may then be injected with a low-pressure air stream carrying an additive for mixing with the...
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7223510 |
Toner, method for manufacturing the toner, method and device for packing the toner, and image forming apparatus using the toner
A method for producing a toner including dissolving or dispersing a toner constituent mixture including a binder resin and a colorant in an organic solvent to prepare a toner constituent mixture...
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7220525 |
Secure imaging toner and methods of forming and using the same
A toner for printing documents that are difficult to chemically or physically forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner...
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7220524 |
System and method for producing secure toner-based images
A system and a method for printing a secure document that is difficult to forge and readily easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface...
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7217486 |
Toner and image-forming apparatus using the toner
The present invention provides a toner containing toner mother particles containing a binder resin and a colorant having added thereinto external additives, e.g., positively electrifiable silica...
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7153624 |
Plastic toner and method for producing such a plastic toner
A toner and to a method for producing a plastic toner, especially for electrophotography. The base material for the toner, a powder for powder coating, is used and has a grain size distribution of...
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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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7141347 |
Process for manufacturing a toner
A toner manufacturing process capable of providing a toner with uniform charge amounts. A mixture of a synthetic resin having an acidic leaving group and a coloring agent as essential components is...
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7135265 |
Production method of toner, toner, and toner producing apparatus
The present invention provides a method for producing a toner, which produces a toner by using a dispersion comprising a dispersion medium having finely dispersed therein a dispersoid containing a...
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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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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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7063929 |
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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7056635 |
Toner, method of producing the toner, developer including the toner, and image forming method and apparatus using the developer
A toner including a thermoplastic resin; a colorant; a wax; and a crystalline polymer, wherein a DSC endothermic peak temperature of the wax or the crystalline polymer determined by subjecting the...
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7045321 |
POLYHYDROXYALKANOATE CONTAINING UNIT WITH PHENYLSULFANYL STRUCTURE IN THE SIDE CHAIN, PROCESS FOR ITS PRODUCTION, CHARGE CONTROL AGENT, TONER BINDER AND TONER WHICH CONTAIN NOVEL POLYHYDROXYALKANOATE, AND IMAGE-FORMING METHOD AND IMAGE-FORMING APPARATUS WHICH MAKE USE OF THE TONER
A polyhydroxyalkanoate characterized by having in the molecule a unit represented by Chemical Formula (1):
wherein n may assume any one integral value within the range of from 1 to 8. Also...
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7011921 |
Method and apparatus for producing toner for electrophotography
A method of producing a toner composition, including stirring and mixing toner particles comprising a binder resin, a colorant and a release agent with a charge controlling agent in a fluidizing...
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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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6998211 |
System for producing secure toner-based images and methods of forming and using the same
A system and method for printing documents that are difficult to forge and that are easy to visually verify are disclosed. The system includes a colorant for printing an image on a surface of a...
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6994943 |
Toner for developing static latent image, producing method thereof and image forming method
A toner for developing a static latent image is disclosed. The toner has a number based particle diameter distribution curve in which peak or maximum value is within the range of from 1.0 to 2.0...
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6991886 |
Closed air circulation toner rounding
Toner is rounded by vigorously mixing less than about 5 percent by weight of particulate silica to the total weight of a starting toner in a closed, recirculating air system. The starting toner...
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6991883 |
Toner for producing secure images and methods of forming and using the same
A toner for printing documents that are difficult to forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner includes a colorant for...
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6951704 |
Process for producing toner particles
In a process for producing toner particles by pre-dispersing at least a colorant and/or a release agent in a first dispersion medium to prepare a first fluid mixture, preparing a second fluid...
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6936393 |
Catalyst for preparing polyester for toner
A catalyst for preparing a polyester for a toner, comprising an inorganic tin(II) compound; a polyester resin composition comprising a polyester and the catalyst; and a toner comprising the...
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6916586 |
Toner for electrostatic charged image development and process for preparing the same, as well as image forming method, image forming apparatus and toner cartridge
The toner for electrostatic charged image development of the present invention is characterized in that it contains at least a binder resin, a mold releasing agent and magnetic metal particles, and...
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6855472 |
POLYHYDROXYALKANOATE, PRODUCING METHOD THEREFOR, CHARGE CONTROL AGENT CONTAINING SUCH POLYHYDROXYALKANOATE, TONER CONTAINING SUCH CONTROL AGENT AND IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS UTILIZING SUCH TONER
The invention is to provide polyhydroxyalkanoate of a novel structure enabling application to wider fields, and a producing method therefor. The invention also provides a biodegradable charge...
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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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6835242 |
Conditioning of organic pigments
Organic pigments are conditioned by introducing a liquid prepigment suspension into a miniaturized continuous reactor and thermally treating therein.
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6824944 |
Toner
A toner process involving, for example, contacting a toner surface with a reducing agent and a metal halide.
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