Patent application number | Description | Published |
20110032302 | INK SET, RECORDING METHOD, AND COLORED OBJECT - An ink set is provided which, when used in color ink-jet printing, can give a full-color printed image having a satisfactory hue and brightness and excellent in various fastness properties. More specifically, an ink set for ink-jet recording is provided that is an ink set of at least two colors which includes at least two ink compositions, i.e., a cyan ink composition and a magenta ink composition. The cyan ink composition contains a cyan dye which is a dye represented by the following formula (7) or a salt thereof. The magenta ink composition contains a magenta dye which is a dye represented by the following formula (6) or a salt thereof. | 02-10-2011 |
20110052885 | WATER SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION AND COLORED BODY - Provided is a water soluble azo compound represented by the following formula (1) or a salt thereof, which serves as a yellow coloring matter having a hue with high brilliance which is suitable for ink jet recording, and which enables a recorded matter to have various superior fastness properties. When an ink composition is prepared using the azo compound or a salt thereof, the ink composition can have superior storage stability. Also provided is an ink composition containing the water soluble azo compound or a salt thereof. | 03-03-2011 |
20110090278 | Porphyrazine Coloring Matter, Ink Composition And Colored Product - The present invention relates to a porphyrazine coloring matter represented by the following formula (1) or a salt thereof (wherein, the rings A to D are each independently a benzene ring or a 6-membered ring nitrogen-containing heteroaromatic ring, the number of said heteroaromatic rings is more than 0 and less than 1, E is alkylene, X is an anilino group or the like having at least one sulfo group or the like as a substituent, Y is a substituted monoalkylamino group or the like, b is 0 to 3, c is 0.1 to 3, and the sum of b and c is more than 3 and less than 4). By the present invention, a copper porphyrazine coloring matter suitable for inkjet recording which has a good hue as an cyan ink, is excellent in light fastness, ozone fastness and moisture fastness and does not cause bronze phenomenon can be provided. | 04-21-2011 |
20110216117 | WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF, INK COMPOSITION, AND COLORED MATTER - Disclosed is a water-soluble azo compound represented by formula (1) or a salt thereof, which functions as a yellow dye having a high print density suitable for inkjet recording. Matter recorded by using the water-soluble azo compound or a salt thereof has high fastness in various fields, and an ink composition prepared by using the water-soluble azo compound or a salt thereof has excellent storage stability. An ink composition containing the water-soluble azo compound or a salt thereof is also disclosed. In formula (1), R represents a hydrogen atom or the like; n represents an integer of 1-3; m represents 1 or 2; x represents an integer of 2-4; and group A represents a carboxy-substituted C | 09-08-2011 |
20110242198 | Porphyrazine Coloring Matter, Ink Composition Containing The Same And Colored Product - The present invention relates to a porphyrazine coloring matter or a salt thereof represented by the following formula (1): | 10-06-2011 |
20120013678 | Porphyrazine Coloring Matter, Ink Composition Containing The Same And Colored Product - The present invention relates to a porphyrazine coloring matter or a salt thereof represented by the following formula (1) [wherein, the rings of A to D are each independently a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring, E is alkylene, X is a sulfo-substituted anilino group or the like which may further have a substituent, R | 01-19-2012 |
20120081457 | PORPHYRAZINE COLORING MATTER, INK COMPOSITION, RECORDING METHOD, AND COLORED OBJECT - Provided is a porphyrazine dye suitable for use in ink-jet recording, the porphyrazine dye giving a cyan ink with a satisfactory hue, having various excellent fastness properties, in particular, ozone resistance, and attaining a high color density. Also provided is an ink composition containing the dye. The porphyrazine dye is a porphyrazine dye represented by formula (1) or a salt thereof. In formula (1), rings A to D each independently represents a benzene ring, a nitrogenous heteroaromatic ring, etc.; E represents an alkylene; X represents sulfoanilino, etc.; R represents a hydrogen atom, sulfo, carboxy, etc.; group F represents phenyl, a nitrogenous heteroaromatic ring, etc.; a is an integer of 1-6; b is 0.00-3.90, excluding 3.90, on average; c is 0.10-4.00, excluding 4.00, on average; and the sum of b and c is 1.00-4.00, excluding 4.00, on average. | 04-05-2012 |
20120202019 | AZO COMPOUNDS, INK COMPOSITIONS, AND COLORED BODIES - Azo compounds represented by general formula (1) or salts thereof are provided as highly water-soluble colorants which have hues of yellow, orange, brown or red, and excellent color development properties and which, when used in various recording processes, particularly in an inkjet recording process, ensure various excellent fastnesses such as light fastness, ozone fastness, and fading balance. Ink compositions containing the colorants are also provided. In general formula (1), R | 08-09-2012 |
20130101811 | INK COMPOSITION, INKJET RECORDING METHOD AND COLORED BODY - A water-based black ink composition which exhibits a low intensity, colorless and neutral black color and provides a black recorded image the printed image of which has high density. The ink composition includes at least one compound represented by formula (1) or a salt thereof and an azo compound having λmax within the range of 550-660 nm. In the formula (1), R | 04-25-2013 |
20130257974 | INK COMPOSITION, INKJET RECORDING METHOD AND COLORED BODY - An aqueous black ink composition that produces a black recorded image that is stable even when stored for a long time period, exhibits a neutral black to gray color with low color saturation and no tinge, has a high printed image density and exhibits excellent fastness properties of the recorded image, particularly ozone-gas resistance. The ink composition contain at least one kind of coloring matter (I), which a coloring matter represented by formula (1) below, a tautomer thereof, or a salt of the coloring matter or the tautomer; at least one kind of coloring matter (II), which is a coloring matter represented by formula (2) below or a salt thereof; and coloring matter (III), which is a coloring matter having an azo group other than coloring matters (I) and (II), or a salt thereof. | 10-03-2013 |
20130288019 | INK COMPOSITION, INKJET RECORDING METHOD, AND COLORED MATERIAL - An aqueous black ink composition which enables the formation of an excellent black recorded image having extremely high ozone gas resistance and a neutral and achromatic color. The ink composition comprises: a dye which includes at least one compound represented by specific formula (1) or at least one tautomer or salt of the compound; a dye which includes at least one compound represented by specific formula (3) or at least one tautomer or salt of the compound; and a dye which includes at least one compound represented by specific formula (4) or at least one tautomer or salt of the compound. | 10-31-2013 |
20130321523 | AZO COMPOUND, INK COMPOSITION, RECORDING METHOD AND COLORED MATERIAL - A coloring matter which exhibits excellent (ozone) gas resistance, high print density, low color rendering properties, low color saturation, and high-quality black hue when is recorded on a paper only for inkjet exclusive use, i.e., an azo compound represented by formula (1), a tautomer of the azo compound, or a salt of the azo compound or the tautomer; and an ink composition containing the coloring matter, particularly a black ink composition for inkjet recording applications. | 12-05-2013 |
20140363642 | AQUEOUS COLORING AGENT DISPERSION FOR INKJET, INK COMPOSITION, INKJET RECORDING METHOD, AND COLORED BODY - Provided are an aqueous coloring agent dispersion for inkjet which achieves high pigment concentration, exhibits favorable redispersion properties after drying, and does not exhibit changes in ink properties even when stored for a long time; and an ink composition using the aqueous coloring agent dispersion. This aqueous coloring agent dispersion contains a coloring agent (I), a liquid medium (II), and a polymer dispersion agent (III). The polymer dispersion agent (III) is an A-B block polymer obtained by copolymerizing via a living radical polymerization method, by using a mixture of an organic tellurium compound represented by formula (1) and an organic ditellurium compound represented by formula (2), or the like, as a polymerization initiator. Therein, the monomer for configuring the A block is at least one type of monomer represented by formula (3), and the monomer for configuring the B block is benzyl methacrylate and/or benzyl acrylate. | 12-11-2014 |