Patent application number | Description | Published |
20090010687 | FIXING DEVICE, AND IMAGE FORMING APPARATUS USING THE FIXING DEVICE - An image forming apparatus including an image bearing member; a charger; a light irradiator; a developing device; a transfer device; an image bearing member's cleaner; and a fixing device, wherein the fixing device includes a fixing member configured to fix a toner image upon application of heat and pressure thereto; a pressing member configured to press the recording material toward the fixing member; and a cleaning member configured to clean a surface of the fixing member and/or the pressing member, wherein the cleaning member has an outermost layer including a reactive material which increases viscoelasticity of a binder resin of the toner by reacting with the binder resin. | 01-08-2009 |
20090117480 | TONER AND DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD USING THE SAME - To provide a toner containing an ethyl acetate-soluble polyester component and an ethyl acetate-insoluble polyester component, wherein the toner is granulated in an aqueous medium, the ethyl acetate-insoluble polyester component is obtained by elongating and/or cross-linking a modified polyester resin during granulating and/or after granulating, the modified polyester resin is produced by condensation polymerization of an acid component and at least one type of diol compound selected from aliphatic diol and alicyclic diol in the presence of a catalyst, and the mass average molecular weight of the modified polyester resin is 10,000 to 100,000. | 05-07-2009 |
20090142680 | FULL-COLOR IMAGE FORMING METHOD - A full-color image forming method, including:
| 06-04-2009 |
20100035170 | TONER, DEVELOPER, TONER CONTAINER, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD - A toner according to the present invention contains at least a polyester resin as a binder resin, a colorant, a releasing agent, a fixing-assisting component, and a fatty acid, wherein the fixing-assisting component has a melting point of 60° C. to 120° C. and contains at least one of an esterified compound obtained by esterification of the fatty acid and an amide compound obtained by amidation of the fatty acid. | 02-11-2010 |
20100075243 | TONER FOR ELECTROPHOTOGRAPHY, AND TWO-COMPONENT DEVELOPER AND IMAGE FORMING METHOD USING THE TONER - A toner for electrophotography, including a release agent; a binder resin; a colorant; and an external additive, wherein the binder resin is a polyester resin, and wherein the toner has a loss on heat not greater than 0.40% by weight at 165° C. and a difference between a loss on heat at 200° C. and the loss on heat at 165° C. not greater than 0.50% by weight, and includes a n-paraffin in an amount not less than 3% by weight. | 03-25-2010 |
20100075245 | RESIN PARTICLE, TONER, AND IMAGE FORMING METHOD AND PROCESS CARTRIDGE USING THE SAME - Disclosed is a resin particle having a volume average particle diameter of 10 nm to 500 nm, obtained by polymerizing an addition polymerizable monomer containing a silsesquioxane (a) represented by Formula (I) or by copolymerizing the silsesquioxane (a) with an addition polymerizable monomer (b), | 03-25-2010 |
20100081075 | 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 having a specific formula. | 04-01-2010 |
20100310980 | TONER, AND DEVELOPER, DEVELOPER CONTAINER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD USING THE TONER - A toner, including a colorant; a binder resin; a release agent; and a fixing supplemental component, wherein the toner has a storage elastic modulus G′ (Pa) satisfying the following conditions: | 12-09-2010 |
20110076610 | METHOD OF MANUFACTURING TONER AND TONER MANUFACTURED BY THE METHOD - A method of manufacturing toner including melting, mixing, and kneading a releasing agent and a coloring agent with at least part of a polyester binder resin, and suspending and granulating an oil phase comprising the binder resin, the coloring agent, and the releasing agent in an aqueous medium. | 03-31-2011 |