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Class 106/31.48 - Acyclic azo attached directly or indirectly to the heterocyclic ring by nonionic bonding


Subclass of Class 106 - Compositions: coating or plastic
Definition: Subject matter wherein an acyclic azo group, -N=N-,
No. of patents: 415
Last issue date: 05/15/2012


1                      
NumberTitleIssue Date
8177898Water-based ink for ink-jet recording, ink cartridge, ink-jet recording apparatus and method of stabilizing water-based ink for ink-jet recording
A water-based ink for ink-jet recording includes a coloring agent and water. The coloring agent includes a dye represented by the following general formula (1). In the ink, an amount of glycerin is set so as to satisfy the following condition (A). 3.5X
05/15/2012
8128747Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus
A water-based ink for ink-jet recording includes a coloring agent, water, and a water-soluble organic solvent. The coloring agent includes the following dye (1) and dye (2). The water-based ink is good in clearness, color development, and preservation stability as w...
03/06/2012
8123846Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
An ink jet ink providing an image having excellent lightfastness and having sticking resistance and intermittent ejection stability. The ink jet ink is characterized by containing at least a compound represented by the following general formula (I) and a compound re...
02/28/2012
8114208Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
An ink jet ink including at least a compound represented by the following general formula (I) and organic solvents. When the organic solvents are classified by MOH/MW indicating a proportion of the molecular weight of hydroxyl group to the mole...
02/14/2012
8070867Ink, inkjet ink, inkjet recording ink set, inkjet recording method and method for improving weather resistance of color image material
An ink includes at least one coloring matter represented by a formula (1): wherein X1 represents one of —CR1═ and a nitrogen atom; X2 represents one of —CR2═ and a nitroge...
12/06/2011
8066809Red reactive dyes, their preparation and their use
Reactive dyes of formula wherein R1 and R2 independently of one another are hydrogen or unsubstituted or substituted C1-C4alkyl, D is a radical of a diaz...
11/29/2011
8029612Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
The present invention provides an ink jet ink, which gives a superior lightfastness to an ink image, has a superior sticking resistance and intermittent ejection stability, and gives a preferable color tone to the image. The ink includes an azo-based dye represented...
10/04/2011
8021470Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus
A water-based ink includes a dye (1) represented by the general formula (1); a dye (2) at least one dye selected from the group consisting of a dye having free acid that is represented by the general formula (2-1), C. I. Acid Red 52 and 289; DPP; and a surfactant re...
09/20/2011
8016928Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus
A water-based ink for ink-jet recording includes a dye represented by the general formula (1); water; dipropylene glycol propyl ether (DPP); and a surfactant represented by the general formula (2). The dye, DPP, and the surfactant are blended so as to satisfy the co...
09/13/2011
8016929Water-based ink for ink-jet recording, ink cartridge and ink-jet recording apparatus
A water-based ink includes a dye represented by the general formula (1), water, DPP, and a surfactant represented by the general formula (2). The dye, DPP, and the surfactant are blended so as to satisfy the conditions (A) to (C). ...
09/13/2011
7985288Colorant compound and ink including the colorant compound
The invention provides a colorant compound represented by the general formula (I) below. In the general formula (I), R1 and R2 represent independently from each other a species selected from at least o...
07/26/2011
7981205Dye compound and ink containing dye compound
A dye compound has the following general formula (1). In the general formula (1), A1 denotes N or CR2. When A1 denotes N, R1 denotes an amino group. When A1 denotes CR
07/19/2011
7981207Dye compound and ink containing dye compound
A dye compound represented by the following formula has at least one anionic group: wherein R1 and R2 independently represent an amino or hydroxyl group, A1 represents nitrogen or CR4
07/19/2011
7981206Inkjet ink, method for producing the same, ink cartridge, and inkjet recording method
An inkjet ink contains at least one coloring material selected from the group of C. I. Acid Yellow 23, C. I. Direct Yellow 86, C. I. Direct Yellow 132, and C. I. Direct Yellow 173, and a coloring material including a compound expressed by general formula (I):
07/19/2011
7967903Ink composition
The present invention relates to a novel ink composition and, more particularly, to an ink composition for digital textile printing, which is suitable for ink-jet printing on cellulose fiber materials. The novel ink composition of the present invention has stable pH...
06/28/2011
7951234Water-soluble azo compound or salt thereof, ink composition and colored product
The present invention relates to a water-soluble azo compound represented by the following formula (1) or a salt thereof: wherein, R represents an alkyl group having 1 to 4 carbon atoms, n represents an integer number of 1 ...
05/31/2011
7927411Compound, ink, process and use
A process for printing an image on a substrate comprising applying to the substrate an ink comprising a medium and compound of Formula (1) or a salt thereof wherein the compound of Formula (1) or a salt thereof is a triazine coupled azo containing colorant. The proc...
04/19/2011
7824483Colorant composition, ink, printing process
A composition comprising a compound of Formula (1) or a salt thereof and compound of Formula (2) or a salt thereof: wherein: A is or comprises an aryl or heteroaryl group; Q1 and Q2...
11/02/2010
7819961Magenta dyes and inks for use in ink-jet printing
A compound of Formula (1) and salts thereof: wherein: R1 and R2 are independently H or optionally substituted alkyl; X and Y are independently CO
10/26/2010
7799122Azo compounds
A compound of Formula (1) or a salt thereof useful as colorants for use in ink jet printing inks: wherein: A1 is optionally substituted phenyl; A2 is...
09/21/2010
7771525Water-soluble azo compound or salt thereof, ink composition and colored product
The present invention relates to a water-soluble azo compound or a salt thereof represented by the following formula (1): (wherein, R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group ha...
08/10/2010
7758683Ink composition, ink set and recording method
An ink composition, which comprises: at least two kinds of water-soluble dyes each having the maximum wavelength of an absorption spectrum in an aqueous solvent of from 550 to 700 nm, wherein at least one of the at least two kinds of water-soluble dyes is selected f...
07/20/2010
7740696Water-soluble azo compound, ink composition, and colored article
The present invention relates to a water-soluble azo compound for yellow represented by the following formula (1) wherein, A represents a hydroxy group, a morpholino group, an amino group, an aliphatic amine residue which m...
06/22/2010
7727321Magenta ink for ink-jet recording
A magenta ink for ink-jet recording contains a coloring agent, water and a water soluble organic solvent. Different types of dyes are employed as the coloring agent. In particular, a dye (1) represented by the general formula (1) is used together with at least one d...
06/01/2010
7713343Ink set for ink-jet recording
An ink set for ink-jet recording is formed from a yellow ink in which C. I. Direct Yellow 132 and C. I. Direct Yellow 86 are employed, a magenta ink in which a specific pyrazolylazopyridine-based (or pyrazolylazopyrazine-based) dye and another specific dye are emplo...
05/11/2010
7704309Disazodyes for ink-jet printing
A process for printing an image on a substrate comprising applying to the substrate by means of an ink jet printer an ink comprising a compound of Formula (1) or salt thereof: Also claimed are compounds, inks, printed substra...
04/27/2010
7641724Mixtures of reactive dyes and their use
Dye mixtures comprising at least one dye of formula (I) together with at least one dye of formula (II) wherein the radicals are as defined in the claim, are suitable for dyeing or printing cellulosic fiber materials, while having a good build-up behavior, and yield ...
01/05/2010
7608140Inkjet inks containing azo pyrazolobenzopyrimidineone class of colorants
The present invention relates to an aqueous ink comprising at least water, and a colorant of Formula 1 wherein A is any substituted or unsubstituted aromatic or heteroaromatic moiety; R is hydrogen or any non-metallic group...
10/27/2009
7582149Monoazo colorants from pyrazolobenzodiazinedioxides
The invention relates to monoazo colorants derived from pyrazolobenzodiazinedioxides of Formula 1: wherein R1 and R2 are hydrogen or any non-metallic group, n is 0-4, R3 is hydrogen, acyl, ary...
09/01/2009
7566362Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
An ink containing at least two coloring materials of a first coloring material and a second coloring material, wherein the first coloring material is a compound represented by the general formula (I), and the second coloring material is a compound represented by the...
07/28/2009
7553358Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
Provided is an ink jet ink having a yellow color including at least two coloring materials of a first coloring material and a second coloring material, the first coloring material being a compound represented by the following general formula (I) and the second color...
06/30/2009
7550037Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
Provided is a black ink which provides an image with excellent color tone, little color tone change after a light fastness test and excellent balance of color tone change and light fastness. The black ink further provides an image with a gradation property having a ...
06/23/2009
7527683Ink for ink-jet recording, ink set, and ink-jet recording method
An ink for ink-jet recording includes: at least one of an azo dye having a specific structure; and at least one of a betaine surfactant and a nonionic surfactant, and an ink set includes the ink, and an ink-jet recording method used the ink. ...
05/05/2009
7510605Dye ink, ink jet recording method, ink sheet, color toner and color filter
To provide a dye which has a good hue, which can form an image showing a high fastness under various using conditions and environmental conditions, and which is particularly suited for an ink, the dye is represents by formula (1): wherein R1 and R
03/31/2009
7507282Ink composition and inkjet recording method
A novel ink composition, which has an absorption characteristic excellent in color reproducibility as a yellow color of one of the three primary colors, which has enough fastness against light, heat and humidity, and which does not cause bronze phenomenon, is provid...
03/24/2009
7465346Black ink composition, ink set, ink cartridge, inkjet recording method and recorded product
A black ink composition comprising a colorant represented by Formula 1 below same as claim 1 and a colorant represented by Formula 2 below same as claim 1. A1-N═N-A2-N═N-A3...
12/16/2008
7465347Yellow ink composition, ink set, ink cartridge, inkjet recording method, and recorded matter
A yellow ink composition, containing as a colorant at least one type of compound expressed by the following Formula I, and at least one type of compound expressed by the following Formula II: (where...
12/16/2008
7449057Ink jet dye design
Magenta chromophore dyes which are stabilized by adding steric hindering groups to protect the imino carbons; nonlimiting examples of the steric hindering groups being phenyl, methyl, ethyl, isopropyl, fluoride, chloride, bromide and iodide groups. ...
11/11/2008
7438752Ink composition and recording method
An ink composition which comprises: a dye which is represented by formula (1), which is described in the specification, and has at least one ionic hydrophilic group, wherein the dye has a molecular weight of from 310 to 500 per one ionic hydrophilic group, and a rec...
10/21/2008
7435292Ink composition
An ink composition containing at least water, at least one member selected from a compound represented by formula (1) shown below and a salt thereof, and at least one member selected from an aromatic compound having a carboxyl group and a salt thereof:
10/14/2008
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