Patent application number | Description | Published |
20090081573 | TONER FOR DEVELOPMENT OF ELECTROSTATIC IMAGE, METHOD FOR MANUFACTURING THE SAME, DEVELOPER FOR DEVELOPMENT OF ELECTROSTATIC IMAGE, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A toner for development of an electrostatic image includes at least a crystalline polyester resin and a colorant. The toner shows a dielectric loss index ∈″ of 0.1 or less at 0.1 Hz and 500 V at 30° C. and 90% RH. | 03-26-2009 |
20090105365 | Elastomer Composition - A chlorinated polyolefin composition, including 100 mass parts of a chlorinated polyolefin, 1 to 15 mass parts of an epoxy derivative, and 0.05 to 3 mass parts of a stabilizer. The chlorinated polyolefin is obtained by chlorinating a polyolefin being selected from ethylene homopolymer or ethylene-alpha-olefin copolymer, and has a density of 0.90 or more; and the chlorinated polyolefin has a chlorine content of 25 to 45% by mass, a melt flow rate of 0.1 to 300 g/10 minutes, and a heat of crystal fusion as determined by DSC of 20 to 60 J/g. The epoxy derivative is selected from epoxidized unsaturated oil, and epoxidized unsaturated fatty acid ester, epichlorhydrin derivative and epoxycyclohexane derivative, and the stabilizer is selected from a hydrotalcite minerals. | 04-23-2009 |
20090274972 | 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. | 11-05-2009 |
20100068643 | ELECTROSTATIC-IMAGE-DEVELOPING TONER, PROCESS FOR PRODUCING ELECTROSTATIC-IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, AND IMAGE-FORMING APPARATUS - An electrostatic-image-developing toner includes a binder resin; a colorant; a releasing agent having a melting temperature of from about 70° C. to about 100° C.; and an ethylenediaminedisuccinic acid. | 03-18-2010 |
20100183968 | TRANSPARENT TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - The invention provides a transparent toner for developing an electrostatic latent image, including a binder resin and a release agent, the difference between the endothermic peak Tm of the release agent in a temperature increasing process and the exothermic peak Tc of the release agent in a temperature decreasing process being from about 10° C. to about 50° C., where Tm and Tc are measured with a differential scanning calorimeter (DSC) according to the ASTM method. | 07-22-2010 |
20100209835 | TRANSPARENT TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT, METHOD FOR PRODUCING THE SAME, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - The invention provides a transparent toner for electrostatic latent image development, containing a polyester resin and a release agent, the difference between an endothermic peak Tm of the release agent in a temperature increasing process and an exothermic peak Tc of the release agent in a temperature decreasing process when measured by an ASTM method with a differential scanning calorimeter (DSC) is from about 40° C. to about 50° C., and the degree of exposure of the release agent at the surface of the toner as determined quantitatively by X-ray photoelectron spectroscopy (XPS) is about 10% or less. | 08-19-2010 |
20100216066 | TRANSPARENT TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPING, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - A transparent toner for electrostatic latent image developing, including a binder resin and a release agent, the difference between Tm and Tc being from about 30° C. to about 50° C., wherein Tm is an endothermic peak temperature of the release agent determined in a temperature rising process and Tc is an exothermic peak temperature of the release agent determined in a temperature decreasing process, in a measurement by a differential scanning calorimeter (DSC) according an ASTM method, and the toner having a weight average molecular weight of from about 35,000 to about 70,000. | 08-26-2010 |
20110159422 | WHITE TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT, ELECTROSTATIC IMAGE DEVELOPING AGENT, TONER CARTRIDGE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - The present invention provides a white toner for electrostatic image development, including a binder resin, a first white pigment and a second white pigment, the specific gravity D | 06-30-2011 |
20110183247 | WHITE TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPEMENT, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A white toner for electrostatic charge image development is disclosed. The white toner for electrostatic charge image development includes a binder resin, a first white pigment, a second white pigment, and a release agent, a specific gravity D | 07-28-2011 |
20120070772 | ELECTROSTATIC IMAGE DEVELOPING TONER, METHOD FOR MANUFACTURING ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER, AND IMAGE FORMING METHOD - An electrostatic image developing toner including: a toner matrix particle having an adhering particle adhered onto the surface of a central particle, wherein a volume average value of a ratio X of a peripheral length PM to a circle-corresponding diameter D is from 3.6 to 5.0. | 03-22-2012 |
20130216793 | TRANSPARENT TONER AND TONER IMAGE USING THE SAME, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A transparent toner for developing an electrostatic latent image includes toner particles containing a binder resin; and an external additive containing cerium oxide, in which a content of cerium in all toner particles is from 0.05% by weight to 0.20% by weight, the cerium oxide contains a praseodymium, and a content of praseodymium in all toner particles is from 0.001% by weight to 0.050% by weight. | 08-22-2013 |
20130224640 | TRANSPARENT TONER AND TONER IMAGE USING THE SAME, ELECTROSTATIC LATENT IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - A transparent toner for developing an electrostatic latent image includes toner particles containing a binder resin; and an external additive containing cerium oxide, in which the content of cerium in all toner particles is in the range of 0.05% by weight to 0.20% by weight, and the cerium oxide contains neodymium and the content of neodymium in all toner particles is in the range of 0.001% by weight to 0.015% by weight. | 08-29-2013 |
20140106273 | POSITIVELY CHARGEABLE TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - There is provided a positively chargeable toner including toner mother particles containing a binder resin having an ethylenically unsaturated bond, wherein the amine value of a component extracted with a water phase by the addition of ion exchanged water after mixing the toner with methyl ethyl ketone is from 600 to 1,250 and the weight average molecular weight of the component extracted with the water phase is from 1,000 to 200,000. | 04-17-2014 |