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| Number | Title | Issue Date |
| 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 temperature and possessing functional groups, and processes for producing ... | 03/27/2012 |
| 8101329 | Toner and two-component developer A toner in which mother toner particles containing at least a resin binder and a colorant are coated with an external additive, wherein the mother toner particles contain fine powders of a fluororesin having an average particle size of 1 μm or less in an amount of ... | 01/24/2012 |
| 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, (volume-average particle diameter of the resin mother particles)/(number-average p... | 07/20/2010 |
| 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 whose surface polysiloxane and at least one selected from fatty acid... | 09/29/2009 |
| 7452646 | External surface additive compositions A toner having at least one binder, at least one colorant and external additives. The external additives include at least one fluoropolymer. An electrophotographic image forming machine and method includes the toner with at least one fluoropolymer. ... | 11/18/2008 |
| 7442481 | Charge control agent A composition comprising a toner binder and a charge control agent comprising a sulfonation product of Solvent Blue 23, wherein from greater than 0 up to 30 mole % of the Solvent Blue 23 is sulfonated. ... | 10/28/2008 |
| 7396625 | Toner, method for producing the same, and image-forming method using the same To provide a method for producing a toner in which at least monomers are polymerized in at least one of a supercritical fluid and a subcritical fluid to thereby produce toner particles, wherein at least one of the supercritical fluid and the subcritical fluid contai... | 07/08/2008 |
| 7393620 | Toner composition A toner composition includes toner particles containing a colorant, a binder, a charge control agent, a releasing agent, and an external additive containing silica, silicon carbide, magnesium stearate, and polyvinylidene fluoride. The toner composition of the presen... | 07/01/2008 |
| 7378206 | Non-magnetic monocomponent positive toner composition having superior transfer efficiency The present invention relates to a non-magnetic mono-component toner composition, which comprises a) a non-magnetic toner particle comprising a binding resin comprising a binder resin and a copolymer of a cyclic olefin and an acyclic olefin polymerized in the presen... | 05/27/2008 |
| 7374846 | Method for preparing of non-magnetic monocomponent color toner having superior long term stability The present invention relates to a non-magnetic monocomponent color toner composition and a method for preparing the same, and more particularly to a non-magnetic monocomponent color toner composition having a narrow charge distribution, good charging characteristic... | 05/20/2008 |
| 7358024 | Process for producing toner, and apparatus for modifying surfaces of toner particles In a toner production process having at least a kneading step, a pulverization step and the step of simultaneously carrying out a surface modification step and a classification step to obtain toner particles, the surface modification and the classification are simul... | 04/15/2008 |
| 7348121 | Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner A toner including toner particles comprising a binder resin; and at least two kinds of particulate resins which are located on at least a surface of the toner particles, wherein the toner satisfies at least one of the following relationships (TgA−TgB)≧20° C., w... | 03/25/2008 |
| 7348117 | Toner, method for manufacturing the toner, developer including the toner, toner container containing the toner, and image forming method, image forming apparatus and process cartridge using the toner A toner including toner particles comprising a binder resin; and at least two kinds of particulate resins which are located on at least a surface of the toner particles, wherein the toner satisfies at least one of the following relationships (TgA-TgB)≧20° C., whe... | 03/25/2008 |
| 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 are output, is capable of keeping high-charge property and flowabili... | 08/28/2007 |
| 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 of a document, a dye for forming a latent version of the image undern... | 05/22/2007 |
| 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 includes a colorant for printing an image on a surface of a document ... | 05/22/2007 |
| 7198874 | Toner, method of making, method of using The present invention relates to a toner useful, for example, for visualizing an electrostatic latent image formed on an image bearing member by a method such as electrophotography and electrostatic recording methods. ... | 04/03/2007 |
| 7186493 | Electrostatic image developing toner and two-component developing agent A toner for developing an electrostatic image is disclosed. The toner comprises toner particles comprising a resin and a colorant, and the toner comprises metal oxide particles have a domain-matrix structure comprising a domain and a matrix. ... | 03/06/2007 |
| 7157025 | Transparent coloring composition and color filter The transparent coloring composition comprises a solvent and an organic-inorganic composite pigment comprising (i) fine white inorganic particles and an organic pigment adhered to the surface of the respective fine white inorganic particles, or (ii) fine white inorg... | 01/02/2007 |
| 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 from 1 to 20 μm, particularly 5 to 15 μm, and has additional charge... | 12/26/2006 |
| 7097952 | Toner, process for producing a toner, image forming method and image forming apparatus An electrophotographic toner is formed as a blend of toner particles and external additives. The external additives include (1) first inorganic fine particles having an average primary particle size of 80-800 nm of oxide of a metal selected from the group consisting... | 08/29/2006 |
| 7074541 | Toner for electrophotography, method of manufacturing the toner, developer, development method, transfer method, and process cartridge using the toner The method of manufacturing toner for electrophotography includes the steps of dissolving or dispersing a toner composition containing a resin and a coloring agent into polymerizable monomers to provide a solution or a dispersed system, emulsifying the solution or t... | 07/11/2006 |
| 7074535 | Toner, method of making, method of using The present invention relates to a toner useful, for example, for visualizing an electrostatic latent image formed on an image bearing member by a method such as electrophotography and electrostatic recording methods. In addition, the present invention also relates,... | 07/11/2006 |
| 7060407 | Image removing method, image removing device, and image forming apparatus An image removing method including bringing an outermost layer of a removing member into contact with an image fixed on an image support without applying a liquid to the image while heating the image and the outermost layer; and separating the removing member from t... | 06/13/2006 |
| 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 photocopier toners comprising such polyolefin waxes modified to make t... | 02/28/2006 |
| 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 document and a dye for forming a latent version of the image underneath ... | 02/14/2006 |
| 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 printing an image on a surface of a document and a dye for forming a l... | 01/31/2006 |
| 6972166 | Toner, process for producing a toner, image forming method and image forming apparatus An electrophotographic toner is formed as a blend of toner particles and external additives. The external additives include (1) first inorganic fine particles having an average primary particle size of 80-800 nm of oxide of a metal selected from the group consisting... | 12/06/2005 |
| 6737211 | Color toner A color toner comprises: a binder resin, and a colorant having an average particle diameter of 0.005 to 0.30 μm, comprising: extender pigments, a gluing agent-coating layer formed on surface of the extender pigment, and an organic pigmen... | 05/18/2004 |
| 6610452 | Toner compositions with surface additives A toner composition includes a binder, a colorant, and surface-treated sol-gel metal oxide particles surface-treated with a treatment agent.... | 08/26/2003 |
| 6593049 | Toner and developer compositions A toner comprised of resin and a charge additive comprised of a complex of a hard acid and a hard base.... | 07/15/2003 |
| 6566025 | Polymeric particles as external toner additives A toner composition includes toner particles formed of a resin and a colorant; and one or more external additives, at least one of the external additives including polymeric particles, applied to a surface of the toner particles. The polymeric particles i... | 05/20/2003 |
| 6077638 | Toner and developer for developing electrostatic image, process for production thereof and image forming method A toner for developing an electrostatic image is formed of toner particles; wherein each toner particle includes (i) 100 wt. parts of a binder resin having a glass transition point (Tg) of 50-70° C., (ii) 0.2-20 wt. parts of solid wax, and (iii) colorant... | 06/20/2000 |
| 6017670 | Electrophotographic toner and process for the preparation thereof An electrophotographic toner having a volume-average particle diameter of from 3 to 15 μm. The toner comprises a spherical particulate material having an average circularity of not less than 0.97 having a colorant encapsulated in a binder resin. The bind... | 01/25/2000 |
| 5981130 | Positively-chargeable charge control agent and toner for developing electrostatic images Positively-chargeable charge control agent and toner for developing electrostatic images that comprises a coloring agent, a resin for toners, and said positively-chargeable charge control agent. The positively-chargeable charge control agent comprises a m... | 11/09/1999 |
| 5981132 | Non-magnetic mono-component developer 1. A non-magnetic mono-component developer comprising: toner particles containing at least a binder resin and a coloring agent and having a volume mean particle size D of 4 to 10 μm; first inorganic fine particles having a mean primary particle size of 1 to 4... | 11/09/1999 |
| 5968689 | Image-forming material, process for preparation thereof, and image-receiving medium The present invention provides an image-forming material which can be removed easily from image-receiving paper while maintaining the fixability to the image-receiving paper; a preparation process thereof, and the image-receiving medium. The image-forming... | 10/19/1999 |
| 5879848 | Toner for full color developing A developer contains a set of color toners and black toner for use in a full color image forming apparatus. Each of the color toners contains a color colorant and a first binder resin, and the black toner contains a black colorant and a second binder resi... | 03/09/1999 |
| 5849449 | Electrostatographic developer having toner particles containing polymers of (2-cyanoacetamido)phenyl acrylates polymers A (2-cyanoacetamido)phenyl acrylate monomer is disclosed. It is used to make polymers. The polymers are useful for making toners for electrostatographic developers.... | 12/15/1998 |
| 5849451 | Electrophotographic dry toner comprising inorganic particles An electrophotographic dry toner comprising toner particles having externally added thereto fine particles of an inorganic compound having been surface treated with an amphoteric surface active agent. The toner is excellent in fluidity, anti-caking proper... | 12/15/1998 |
