Patent application number | Description | Published |
20080227011 | TONER, DEVELOPER, AND IMAGE FORMING APPARATUS - A toner including a binder resin, a colorant, and a silicon-containing polymer, which is manufactured by a method including: discharging a toner constituent liquid including toner constituents including the binder resin, the colorant, and the silicon-containing polymer, from at least one discharge opening to form liquid droplets thereof; and converting the liquid droplets into solid toner particles in a granulation space. | 09-18-2008 |
20080292985 | ELECTROPHOTOGRAPHIC TONER AND METHOD FOR PRODUCING THE ELECTROPHOTOGRAPHIC TONER - Provided are an electrophotographic toner and a method for producing the electrophotographic toner that satisfy high image quality, cleaning stability, and high productivity. | 11-27-2008 |
20090170018 | TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGE, METHOD FOR PRODUCING THE SAME AND APPARATUS FOR PRODUCING THE SAME, AND DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - There is provided a toner for developing a latent electrostatic image, obtained by a method containing: ejecting a toner composition fluid from an ejection hole so as to make the toner composition fluid into droplets; and solidifying the droplets in an atomizing space so as to form solid particles, wherein the toner composition fluid contains at least a colorant formed by reacting a polymer containing 10 mol % or more of a monomer unit having a sulfonic acid group or a salt thereof, or a monomer unit having a sulfuric acid group or a salt thereof as a constitutional unit, and a basic dye. | 07-02-2009 |
20090170019 | 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 sulfonic acid salt group, a sulfuric acid group and a sulfuric acid salt group as a constitutional unit, and the toner is obtained by forming a toner composition liquid containing at least the colorant into oil droplets in an aqueous medium, and solidifying the oil droplets into solid particles. | 07-02-2009 |
20090239170 | METHOD FOR PRODUCING TONER, AND TONER - A method for producing a toner, the method including discharging a toner composition liquid from a plurality of nozzles to form liquid droplets thereof, the toner composition liquid being prepared by dissolving or dispersing in a solvent a toner composition containing at least a binder resin, a colorant, an acid-modified hydrocarbon wax and an unmodified hydrocarbon wax, the waxes serving as a releasing agent, and solidifying the liquid droplets so as to form solid particles. | 09-24-2009 |
20090317738 | METHOD AND APPARATUS FOR PRODUCING TONER - A method for producing a toner, including ejecting a toner composition liquid containing at least a resin and a colorant periodically from a plurality of nozzles into a chamber using a vibration unit, so as to form droplets in a gas phase; and solidifying the droplets, wherein the droplets are transported by transport air flow selected from at least one of vertical downward air flow and rotational air flow, and the method can prevent toner particles from aggregation. | 12-24-2009 |
20110033203 | TONER, METHOD FOR MANUFACTURING THE TONER, DEVELOPER INCLUDING THE TONER, CONTAINER CONTAINING THE TONER, AND IMAGE FORMING METHOD AND APPARATUS AND PROCESS CARTRIDGE USING THE TONER - An image forming method including forming an electrostatic latent image on an image bearing member; developing the electrostatic latent image with a developer including a toner to prepare a toner image on the image bearing member; transferring the toner image onto a receiving material; and cleaning the surface of the image bearing member with a cleaning blade; wherein a surface of the image bearing member has a friction coefficient of from 0.10 to 0.40, and wherein the toner has an average circularity of from 0.97 to 1.00 and includes toner particles and a particulate material having an average particle diameter of from 0.03 to 1 μm, wherein the particulate material is externally added to the toner particles by a wet method. | 02-10-2011 |
20130196266 | TONER, DEVELOPER, AND IMAGE FORMING APPARATUS - A toner produced by dissolving or dispersing toner components comprising a binder resin, a colorant, and a charge controlling agent in an organic solvent to prepare a toner components liquid, forming liquid droplets of the toner components liquid in a gas phase, and solidifying the liquid droplets into toner particles of the toner. The charge controlling agent includes a polycondensation reaction product of a phenol with an aldehyde. | 08-01-2013 |