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| Number | Title | Issue Date |
| 8137883 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container A toner is provided including a binder resin and a wax having primarily C—H and C—C bonds, and having a melting point of 50 to 90° C., wherein the wax is present in a surface portion of the toner in an amount of from 0.1 to 4.0% by weight, wherein the amount of... | 03/20/2012 |
| 8097391 | Toner for developing electrostatic image Provided is a toner for developing electrostatic image which is excellent in shelf stability, and is further excellent in low-temperature fixability so as to be capable of maintaining a high fixing rate even at a low fixing temperature. A toner for developing... | 01/17/2012 |
| 7989131 | Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container A toner is provided including a binder resin and a wax having primarily C—H and C—C bonds, and having a melting point of 50 to 90° C., wherein the wax is present in a surface portion of the toner in an amount of from 0.1 to 4.0% by weight, wherein the amount of... | 08/02/2011 |
| 7914963 | Toner composition The present invention is a toner that includes a polymeric binder and a polyethylene wax or ester wax. A dispersing agent of poly(ethylene vinyl acetate) is included in the toner that dispersed the wax and reduces the amount of free wax particles. ... | 03/29/2011 |
| 7910275 | Toner having crystalline wax Embodiments include a chemical toner composition having a first resin including a styrene vinyl copolymer and having a Tg of from about 46 to about 56° C., b) a second resin including a styrene vinyl copolymer having a Tg of from about 55 to about 65° C., c) a dis... | 03/22/2011 |
| 7910276 | Toner compositions Disclosed herein are emulsion aggregation toner particles having less than about 15 atomic percent oxygen in relation to a total atomic percent of 100 for all elements on the surface thereof. Such toner particles exhibit lower marks on print defects. ... | 03/22/2011 |
| 7862971 | Emulsion aggregation toner composition An emulsion aggregation toner having toner particles comprising a gel latex, a high Tg latex and at least one wax, wherein the toner fuses at about 170° C. to about 220° C. at process speeds of from about 560 mm/s to about 870 mm/s, wherein the toner exhibits a cr... | 01/04/2011 |
| 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 present invention relates to a color toner containing at least a binder res... | 10/19/2010 |
| 7785760 | Toner and method of preparing the toner A toner is provided including a binder resin, a colorant, and a release agent, which has a volume average particle diameter (Dv) of from 3 to 9 μm, and wherein the binder resin and the release agent form a sea-island structure in which the island formed of the rele... | 08/31/2010 |
| 7727695 | Electrophotographic toner An electrophotographic toner is disclosed, comprising a binding resin, a colorant and a releasing agent, wherein the releasing agent comprises a first releasing agent component and a second releasing agent component, the first releasing agent component is a straight... | 06/01/2010 |
| 7723003 | Toner for developing electrostatic latent image, developer for developing electrostatic latent image, and image-forming process using the toner for developing electrostatic latent image The present invention provides a toner for developing an electrostatic latent image comprising a releasing agent containing a hydrocarbon, a binder resin, and a colorant, wherein, when an average carbon number of the hydrocarbon is designated as N, the hydrocarbon c... | 05/25/2010 |
| 7723002 | Toner for electrostatic image development A toner for electrostatic image development, comprising a resin binder comprising a crystalline polyester; a releasing agent comprising a wax having a melting point of from 60 to 85° C. and a penetration at 25° C. of from 4 to 10; and a colorant. The toner for ele... | 05/25/2010 |
| 7713668 | Toner compositions A toner composition having toner particles comprising a gel latex, a high Tg latex, a wax, and a colorant. The gel latex is present in an amount of from about 3 weight percent to about 30 weight percent of the toner composition, the high Tg latex is present in an am... | 05/11/2010 |
| 7635549 | Toner and developer, toner container, process cartridge, image forming method and image forming apparatus A toner including a binder resin, a colorant and a release agent, and satisfying the following relationships (1) and (2): 1.0≦FT120/FT160≦1.5 (1) wherein FT120 is a maximum tensile strength (N) when a recording medium havin... | 12/22/2009 |
| 7632619 | Toner, fixing method and image forming method using the toner A toner including a binder resin, a wax, and a colorant, wherein particles of the wax having a particle diameter of less than 1.00 μm are included in the toner in an amount of not less than 35% by number and less than 55% by number, and wherein the wax has a partic... | 12/15/2009 |
| 7608374 | Toner and developer using the toner A toner including a binder resin, and a release agent, wherein the following relationships are satisfied: 2 μm≦D4≦4 μm (a) 0.05 μm≦Dw≦0.3 μm (b) Dw≦0.075×D4 (c) F≦−40×... | 10/27/2009 |
| 7601474 | Electrostatic toner composition to enhance copy quality by improved fusing and method of manufacturing same An electrostatic developer is provided that contains toner-containing image-forming particles and an uncrosslinked, linear hydrocarbon based homopolymer wax component, wherein the wax has a total number of branches in each of one or more chains that is less than 0.5... | 10/13/2009 |
| 7556906 | Toner, and image forming method, image forming apparatus, and process cartridge using the toner A toner is provided including a colorant; a resin composition (A) comprising at least one binder resin and a hydrocarbon wax having a melting point of 70-90° C. in an amount of from 6 to 30% by weight based on total weight of resin composition (A), and having a sof... | 07/07/2009 |
| 7553596 | Toner having crystalline wax Embodiments include a toner with a distilled wax having a crystallinity of from about 55 to about 100 percent, wherein the degree of crystallinity is calculated using the following formulas: [Heat of enthalpy (Hm) J/g/294 J/g]×100=degree of crystallinity (Xc); [Hea... | 06/30/2009 |
| 7544457 | 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 present invention relates to a color toner containing at least a binder res... | 06/09/2009 |
| 7432030 | Toner for developing electrostatic latent image, developer for developing electrostatic latent image, and process for producing toner for developing electrostatic latent image A toner for developing an electrostatic latent image includes a binder resin, a colorant and a releasing agent. The releasing agent contains a hydrocarbon component including a linear hydrocarbon component, and the liner hydrocarbon component has a carbon number dis... | 10/07/2008 |
| 7413842 | Toner processes A toner process comprising aggregating or coagulating a latex emulsion comprising a resin, a colorant and wax particles using an amount of polymetal ion coagulant to provide core particles; heating the core particles to provide micron size aggregates; optionally add... | 08/19/2008 |
| 7413841 | Toner, process for producing the same, two-component developing agent and method of image formation Toner includes aggregated particles including at least resin particles, pigment particles, and wax particles. A fused film of the resin is formed on the surface of the toner. The wax is at least one selected from A: ester wax that has an iodine value of not more tha... | 08/19/2008 |
| 7407732 | Electrophotographic toner An object of the invention is to provide a black toner that can satisfy further the requirement for low energy, high-speed and high performance, a color toner that can be used in an image forming apparatus provided with an oil-less fixation device, and a color toner... | 08/05/2008 |
| 7389082 | Method and apparatus for forming an image having uniform glossiness An image forming method including the steps of a) forming a mirror image by a toner on a transparent substrate, and b) laminating the toner image carrying surface of the transparent substrate with a light reflecting material through a tacking layer or an adhering la... | 06/17/2008 |
| 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 140, the volume average particle size of the toner is within the ran... | 04/29/2008 |
| 7364827 | Electrophotographic toner An electrophotographic toner comprising a resin, a colorant and a release agent which comprises a first wax and a second wax, wherein: (i) the first wax exhibits: an endothermic peak appearing in the range 75-100° C., a peak width at half height of the endothermic ... | 04/29/2008 |
| 7358023 | Method for producing toner, toner and printed matter The invention provides a method for producing a toner comprising: a step of preparing a powder for production of the toner from a raw material containing a resin as a main component, a coloring agent, and a crystalline polyester having higher crystallinity than the ... | 04/15/2008 |
| 7356281 | Toner, developing device and developing method using the same The present invention provides a toner having: a toner mother particle; a first external additive including a first inorganic fine particle having a primary particle size distribution of 200 to 750 nm and a work function approximately equivalent to that of the toner... | 04/08/2008 |
| 7354687 | Dry toner blended with wax Dry electrographic toner compositions are provided comprising a plurality of dry toner particles, wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D materia... | 04/08/2008 |
| 7351510 | Toner for electrophotography A toner for electrophotography, containing a low-softening point polyester-based resin having a softening point of from 80° to 120° C.; and a high-softening point polyester-based resin having a softening point of higher than 120° C. and 160° C. or lower, wherein... | 04/01/2008 |
| 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 o-dichlorobenzene-soluble matter of the toner, a weight-average molecular w... | 04/01/2008 |
| 7348374 | Induction cured powder coatings for temperature sensitive substrates According to the present invention, powder coating compositions comprise one or more than one thermoplastic or thermosetting polymer or resin and one or more than one finely divided magnetic material, such as a ferromagnetic material. Preferred magnetic materials in... | 03/25/2008 |
| 7344813 | Emulsion aggregation toner having gloss enhancement and toner release A toner includes particles of a resin, an optional colorant, a first wax and a second wax, where the toner particles are prepared by an emulsion aggregation process. Additional waxes can also be added for different properties. ... | 03/18/2008 |
| 7333744 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage A charge apparatus charges by uniformly superimposing an alternate current bias voltage with a fixed frequency over a direct current bias voltage as the charge bias voltage on a photosensitive member. An exposure apparatus exposes the surface of the charged photosen... | 02/19/2008 |
| 7326507 | Preparation of a toner for reproducing a metallic hue and the toner The present invention relates to a toner and process for preparing a toner for reproduction of a metallic, preferably golden or silvery, hue by a printing process, especially for electrophotography. A congeneric process and/or a congeneric toner is preserved with re... | 02/05/2008 |
| 7327974 | Electrophotographic toner and image-forming system An electrophotographic toner for visualizing an electrostatic latent image formed by an electrophotographic process, an electrostatic printing process, an electrostatic recording process, etc., which is produced in consideration of the environment and safety. The el... | 02/05/2008 |
| 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, a reflectance at a predetermined wavelength when measured in a powde... | 01/22/2008 |
| 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 least one release agent and/or colorant. The toners of the present i... | 01/01/2008 |
| 7310492 | Fixing device having release agent applying unit and image forming apparatus A fixing device includes a fixing member, a heat source for heating the fixing member, a pressure member urged against the fixing member so as to form a nip portion between the pressure member and the fixing member, and a release agent applying unit that applies a r... | 12/18/2007 |
