| Patent application number | Description | Published |
| 20080261141 | MAGENTA TONER FOR DEVELOPING ELECTROSTATIC IMAGE - A magenta toner for developing an electrostatic image composed of a binder and a colorant is disclosed. The toner contains a tone controlling agent having a peak of fluorescent spectrum from 380 to 500 nm. An image excellent in light fastness and durability can be obtained and high color reproducibility with sufficient transparency and chromaticness can be realized by the magenta toner. | 10-23-2008 |
| 20090075192 | Toner - Disclosed is a toner comprising a resin and a colorant, wherein the colorant comprises a compound represented by formula (I) and a compound represented by formula (II). | 03-19-2009 |
| 20090162776 | Magenta Toner For Developing Electrostatic Image - Disclosed is a magenta toner, which contains magenta colorants composed of compound A represented by Formulas (1), (2) or (3) in an amount of mA and compound B selected from a group consisting of a mono-azo pigment, a naphthol pigment and rhodamine chelate pigment in an amount of mA, and a ratio of amount mA:mB is 90:10 to 55:45. | 06-25-2009 |
| 20090258309 | TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT AND METHOD FOR PRODUCING THE SAME - Provided is a toner for an electrostatic charge image development having toner particles which contain: a binder resin; a colorant; and a compound represented by Formula (1) in an amount of 0.1 to 65 ppm based on the total weight of the toner particles: | 10-15-2009 |
| 20090291375 | FULL COLOR IMAGE FORMATION PROCESS - Disclosed is a process of forming a full color image according to electrophotography, employing a yellow toner, a magenta toner and a cyan colorant, the process comprising the step of forming a yellow toner image, a magenta toner image and a cyan toner image on a recording material, wherein the yellow toner image has reflectance (in terms of %) satisfying formulas (11) through (14) below, the magenta toner image has reflectance (in terms of %) satisfying formulas (21) through (24) below, and the cyan toner image has reflectance (in terms of %) satisfying formulas (31) through (34) below. | 11-26-2009 |
| 20090291376 | FULL-COLOR IMAGE FORMING METHOD - Disclosed is a full-color image forming method by which an image exhibiting comfortable image quality reliably suitable for a human visual system can be obtained in such a way that a halftone image exhibiting excellent granularity and evenness thereof is acquired. | 11-26-2009 |
| 20090291381 | ELECTROPHOTOGRAPHIC TONER - Provided is a toner comprising toner particles containing a binder resin and coloring matters, wherein the coloring matters comprise a dye represented by Formula (X-1), a metal compound represented by Formula (1) and a quinacridone pigment represented by Formula (2): | 11-26-2009 |
| 20090291382 | ELECTROSTATIC LATENT IMAGE DEVELOPING TONER AND METHOD OF IMAGE FORMING - An electrostatic latent image developing toner comprising at least a resin, a wax and a colorant, wherein the wax comprises 40 to 98% by mass of a first release agent comprising an ester wax and 2 to 60% by mass of a second release agent comprising a hydrocarbon having at least one of a branched chain structure and a cyclic structure; and the colorant comprises a silicon phthalocyanine represented by Formula (I): | 11-26-2009 |
| 20100175584 | CYAN INK FOR INKJET RECORDING - A cyan ink for inkjet recording comprising at least one of a phthalocyanine compound represented by Formula (1) and a phthalocyanine compound represented by Formula (2), Z being represented by Formula (3): | 07-15-2010 |
| 20110008720 | TONER FOR DEVELOPING ELECTROSTATIC IMAGE, FULL COLOR TONER KIT, AND IMAGE FORMATION METHOD - Disclosed are a toner for developing an electrostatic image, a full color toner kit and an image formation method, the toner containing at least a resin and a colorant, wherein the colorant comprises a quinacridone pigment having a number average primary particle size of from 30 to 150 nm and having a ratio of a major axis direction length to a minor axis direction length of from 1.0 to 2.0 and Pigment Red 238. | 01-13-2011 |
| 20110151362 | ELECTROSTATIC IMAGE DEVELOPING GRAY TONER AND IMAGE FORMING METHOD - An electrostatic image developing gray toner is disclosed. The gray toner is composed of toner particles comprising a binding resin, two species of chromatic color coloring agents and carbon black in an amount of 0 to 0.001 weight % of amount of the chromatic color coloring agents, the toner having brightness L* of 30 to 90 and chroma C* of not more than 10 in L*a*b* color system measured in single solid toner image formed by only the gray toner having an amount of toner attached of 4 g/m | 06-23-2011 |
| 20110151367 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER - Provided is an electrostatic charge image developing toner capable of reproducing color exhibiting high lightness and chroma, and obtaining a wide color reproduction range. Disclosed is the toner possessing a toner particle containing at least a binder resin and a colorant, wherein the colorant possesses a yellowish color nonfluorescent dye exhibiting a peak wavelength of an absorption spectrum being in a wavelength range of 400-480 nm, and a fluorescent dye exhibiting a peak wavelength of an emission spectrum being in a wavelength range of 480-560 nm, wherein the nonfluorescent dye has a content of 2-8 parts by weight, based on 100 parts by weight of the binder resin, and the fluorescent dye has a content of 0.05-0.2 parts by weight, based on 100 parts by weight of the resin, provided that a content ratio of the nonfluorescent dye to the fluorescent dye is 15-150. | 06-23-2011 |