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| Number | Title | Issue Date |
| 8178269 | Toner compositions and methods Emulsion aggregation toner particles including a resin, polysaccharide particles, an optional wax, and an optional colorant. The toner particles contain about 1 to about 50 wt % polysaccharide particles based on the total weight of the toner particles. ... | 05/15/2012 |
| 8178268 | Magenta toner and developer A magenta toner, produced by a method including suspending an oily liquid comprising a binder resin and a colorant in an aqueous medium, wherein the colorant comprises a naphthol pigment and a quinacridone pigment, and the quinacridone pigment comprises a pigment ha... | 05/15/2012 |
| 8137880 | Colored toners The present disclosure provides blue toners and methods for their production. In embodiments, methods of the present disclosure include systems which may be utilized to predict the color properties of a blue toner, thereby permitting adjustment of the pigment loadin... | 03/20/2012 |
| 8137881 | Electrophotographic toner The disclosure provides an electrophotographic toner including a binder resin; and a light absorber, wherein the light absorber includes a metal nanorod and a surfactant covering a surface of the metal nanorod. ... | 03/20/2012 |
| 8105741 | Method and apparatus for manufacturing toner, and electrophotographic toner manufactured by the method A method for manufacturing toner includes steps of supplying, periodically dispensing, and solidifying. The supply step supplies a liquid to be atomized, which includes at least a resin and a colorant. The periodic dispensation step periodically dispenses droplets o... | 01/31/2012 |
| 8105742 | Method and apparatus for manufacturing toner and toner manufactured by the apparatus and method A method for manufacturing a toner, including periodically forming liquid droplets of a toner constituent liquid comprising a resin and a colorant by vibrating a thin film having a plurality of holes provided on a retention part thereof to discharge the liquid dropl... | 01/31/2012 |
| 8101328 | Charge control agents for toner compositions The present disclosure provides polymer-ionic complexes useful as charge control agents. Such charge control agents may be utilized with toner particles to impart excellent triboelectric charging characteristics to the toner. ... | 01/24/2012 |
| 8092963 | Toner compositions The present disclosure provides processes for producing images of excellent color fidelity when incorporating a magenta toner with a lower colorant loading in addition to a first magenta toner. In embodiments, the magenta pigmented particles may be magenta emulsion ... | 01/10/2012 |
| 8084176 | Toner, developer, and image forming method The present invention provides a toner which includes at least a binder resin, and a colorant, wherein the toner has a concentration of radioactive carbon isotope C-14 of 10.8 pMC or higher. ... | 12/27/2011 |
| 8062818 | Toner for electrostatic image development, full-color toner kit and image forming method An electrophotographic toner for electrostatic image development which is capable of obtaining a high chroma full-color image exhibiting clear color without color contamination and excellent light stability is disclosed, comprising a resin and a colorant, wherein th... | 11/22/2011 |
| 8057977 | Toner Provide is a toner including toner particles each containing at least a binder resin and a colorant, and an inorganic fine powder, in which the inorganic fine powder has a ratio (A/B) of a total pore volume A measured in a pore diameter range of from 1.9 nm or more ... | 11/15/2011 |
| 8043778 | Toner, method for preparing the toner, and image forming apparatus using the toner A toner including toner particles including a binder resin, and a modified layered inorganic material in which at least part of interlayer ions is replaced with an organic ion, and a fatty acid metal compound located on a surface of the toner particles; and an exter... | 10/25/2011 |
| 8039183 | Resin-coated pearlescent or metallic pigment for special effect images A pigment particle coated with at least one of a resin and a charge control surface additive, wherein the pigment particle is a pearlescent or metallic pigment. The pigment adds pearlescent effects and is of a size and charge as to be used as a toner material in ele... | 10/18/2011 |
| 8034520 | Magenta toner for developing electrostatic image Disclosed is a magenta toner, which contains magenta colorants composed of compound A represented by Formulas (1), (2) or (3) in an amount of mA and compound B selected from a group consisting of a mono-azo pigment, a naphthol pigment and rhodamine chelate pigment i... | 10/11/2011 |
| 8034521 | Toner for developing electrostatic charge image, image forming method and image forming apparatus To provide a toner for developing an electrostatic charge image, the toner containing at least a colorant obtained by reacting a polymer with a basic dye, wherein the polymer contains 10 mol % or more of a monomer unit having any one of a sulfonic acid group, a sulf... | 10/11/2011 |
| 8026030 | Toner The present invention provides a toner which is excellent in low-temperature fixability and transparency and has high gloss, and which is excellent in offset resistance, storage stability, and development stability. The toner is characterized in that: a square radiu... | 09/27/2011 |
| 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 and/or emulsifying an oil phase or a monomer phase comprising a toner ... | 09/27/2011 |
| 8021813 | Electrostatic-image-developing toner, method of producing the same, electrostatic image developer, image forming method and image forming apparatus An electrostatic-image-developing toner includes a phosphonic acid based sequestering agent. ... | 09/20/2011 |
| 8017291 | Image-forming material An image-forming material includes a perimidine-based squarylium dye represented by the following Formula (I): wherein, in Formula (I), R represents a hydrogen atom or a methyl group. ... | 09/13/2011 |
| 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 high-quality images over a long period of time. The toner contains at le... | 08/30/2011 |
| 7955771 | Toner for electrostatic image development and process for preparing the same A toner for electrostatic image development, comprising an organic pigment and a binding resin, and satisfying the formula (I): 1−R/A≦0.014C (I), wherein A represents an entire are... | 06/07/2011 |
| 7955772 | Dry toner, processes for the production thereof, and the use thereof The invention relates to a dry toner, containing a platelet-type metal effect pigment or a plurality of platelet-type metal effect pigments and at least one resinous constituent, wherein the metal effect pigment or the metal effect pigments is/are additionally provi... | 06/07/2011 |
| 7947419 | Toner, developer, and image forming method A toner including a binder resin including a polyester resin, a colorant, and a release agent including a polyglycerin ester having a melt viscosity of from 1.0 to 40 mPa·sec at 120° C. and a hydroxyl value of from 0 to 100 mgKOH/g is provided. The polyglycerin es... | 05/24/2011 |
| 7935468 | Toner and method of manufacturing the same There is provided a toner which is excellent in temporal stability and environmental stability of charges and which is capable of forming images that contains almost no background fog and has high density even in a long-term use and in use at a high-temperature and ... | 05/03/2011 |
| 7923183 | Image forming apparatus and image forming method An image forming apparatus includes: an image holding member; a toner image formation device that forms a toner image using a toner, the toner including a first component and a second component that are present separately from each other and form a color when they a... | 04/12/2011 |
| 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 monovalent metal cations and one or more organic anions A of the formula... | 04/12/2011 |
| 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 toner in chloroform is represented by Cc (mg/ml) and the absorbance of th... | 03/15/2011 |
| 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 temperature above a glass transition temperature. One or more cooling... | 01/11/2011 |
| 7858280 | Toner and image forming method using the same A toner formed of a toner composition containing a resin and a plasticizer, wherein the following relationships (1) and (2) are satisfied: Tg2r>Tg2t (1), and Tg1t−Tg2t>Tg1r−Tg2r (2), ... | 12/28/2010 |
| 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 defined by the following equation: [(Ka) | 12/28/2010 |
| 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 stored in an atmosphere of 23° C. is from 0.1 to 0.2. The absorbance r... | 11/02/2010 |
| 7820349 | Toner for electrostatic latent image development, production method thereof, and developer for electrostatic latent image development The invention provides a toner for electrostatic latent image development comprising a first component and a second component which are isolated from each other and capable of forming a color when the first component and the second component are brought into reactio... | 10/26/2010 |
| 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 fixing device employing a contact heating system and the toner conta... | 09/21/2010 |
| 7781135 | Emulsion aggregation toner having zinc salicylic acid charge control agent A toner for developing electrostatic images including emulsion aggregation toner particles with a styrene acrylate latex resin, at least one additive, at least one colorant, and a charge control agent comprising 3,5 di-tert-butylsalicyclic acid zinc salt. ... | 08/24/2010 |
| 7759035 | Electrostatic charge image developing toner and image forming method An object is to provide an electrostatic charge image developing toner and an image forming method using the same capable of maintaining image properties for a long duration, which exhibit not only sufficient transparency and chromaticness, accompanied with high col... | 07/20/2010 |
| 7759036 | Toner and production method thereof, image forming apparatus and image forming method, and process cartridge The object of the invention is to provide a toner enabling excellent transferring properties, cleanability, and fixability and forming a high-precision image without substantially degraded image quality even after printed on a number of sheets of paper. The inventio... | 07/20/2010 |
| 7759037 | Release agent, toner, and method for manufacturing same There are provided a release agent capable of attaining a toner excellent in an anti-offset property and an anti-filming property, without detaching from a kneaded mass even in a case of granulating by heating a dispersion medium containing the kneaded mass, as well... | 07/20/2010 |
| 7754405 | Toner for electronic printing, and process for producing glass plate having electric conductor pattern Toners having toner matrix particles having conductive fine particles, a heat decomposable binder resin and glass frit, and heat decomposable organic resin fine particles attached on the surface of the toner matrix particles. The heat decomposition temperature of th... | 07/13/2010 |
| 7749669 | Electrophotographic toner and image forming method An electrophotographic toner which achieves superior coloring without exhibiting any difficulty in dispersibility in thermoplastic resin while exhibiting improved characteristics, is disclosed, comprising a thermoplastic resin and a metal chelate dye contained in th... | 07/06/2010 |
| 7727694 | Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner A toner including toner particles including a binder resin, and a colorant, and an external additive present on a surface of the toner particles, wherein the external additive includes a silica having an average primary particle diameter of from 100 to 500 nm and a ... | 06/01/2010 |
