Class 8/639 - Azo

Subclass of Class 8 - Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
Definition: Subject matter in which at least one of the dyes is an azo
No. of patents: 294
Last issue date: 10/21/2008

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Number	Title	Issue Date
7438753	Diazo dyestuff compounds and their use The present invention relates to a diazo dyestuff compound of the following formula (I) wherein, M is H, Na, or Li. The formula (I) compound is particularly suitable for using as a component in a black dye composition for i...	10/21/2008
7371831	Azo dyestuffs Compounds of formula (I) wherein all substituents have the meanings as defined in the Specification, their production and their use. ...	05/13/2008
7364866	G protein coupled receptors, nucleic acids, and methods related to the same The present invention provides Drosophila melanogaster GPCR (DmGPCR) polypeptides and polynucleotides which identify and encode such a DmGPCR. In addition, the invention provides expression vectors, host cells, and methods for its production. The invention al...	04/29/2008
7364597	Metal complex colorant comprising azo moiety A metal complex colorant represented by formula 1 may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independentl...	04/29/2008
7354724	Drosophila G protein coupled receptors, nucleic acids, and methods related to the same The present invention provides a Drosophila melanogaster GPCR (DmGPCR) polypeptides and polynucleotides which identify and encode such a DmGPCR. In addition, the invention provides expression vectors, host cells and methods for its production. The invention a...	04/08/2008
7351511	Liquid developer and image forming apparatus using same A liquid developer that comprises a colorant and a liquid for dispersing the colorant and serves to develop the latent image by causing the colorant to adhere to the latent image on the latent image carrier. The liquid comprises a first liquid comprising a photocura...	04/01/2008
7301013	Azo compounds The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or ...	11/27/2007
7288142	Black dyes composition for ink-jet inks The present invention relates to a black dyes composition for ink-jet printing ink comprising (A) a compound of the following formula (I) wherein, R1 is —SO2CH2CH2OSO...	10/30/2007
7250079	Coloring composition and inkjet recording method The invention provides a water-soluble ink capable of forming an image having good color hue and high fastness in various use and environmental conditions, which comprises a coloring composition comprising a disazo dye represented by the following formula 1: A1...	07/31/2007
7244298	Magenta metal chelate dyes and their use ink-jet printers A metal chelate compound of Formula (1) or a salt thereof: [A-N═N—B]M Formula (1) wherein: A is an optionally substituted pyridyl ring; and B is of the Formula (2):	07/17/2007
7238228	Magenta metal chelate dyes and their use in ink-jet printers A metal chelate of Formula (1) or salt thereof. Formula (1) wherein: R1 and R2 are each independently H or an organic group; M is a metal; p is 1 to 4; Y is an optionally substituted heterocyclic ring with a nitrogen ortho to the azo bridge; G ...	07/03/2007
7238227	Magenta metal chelate dyes and their use in ink-jet printers A metal chelate compound of Formula: (1) or a salt thereof: [A—N═N—B] M (1) wherein: A is a 5- or 6-membered heterocyclic ring other than a triazole ring, optionally carrying one or more substituents; B is of the Formula (2a) or (2b). Formula (2	07/03/2007
7195567	Decorative grip and method for manufacture A grip includes a transparent polymeric body having an inner surface and an outer surface and a design formed along the inner surface. The grip is formed by forming a transparent polymeric body shaped and dimensioned for attachment to an article and for gripping by ...	03/27/2007
7192475	Aqueous ink An aqueous ink comprising at least two dyes each having at least one ionic hydrophilic group in a molecule thereof, wherein at least one of said at least two dyes includes an azo dye represented by formula (1): whe...	03/20/2007
7160664	Magenta dye mixture A magenta dye combination having improved lightfastness and keeping properties is described, wherein the magenta dye combination can be used in thermal printing. ...	01/09/2007
7153332	Use of a dyestuff for ink jet printing recording materials Disclosed are dyestuff mixtures for printing recording materials, especially textile fibre materials, paper and papery substrates and plastic films and plastic, as well as compositions suitable for ink-jet printing comprising a dyestuff of the formula (I)	12/26/2006
7150782	Magenta metal complex azo compounds and inks and their use in ink-jet printing A metal chelate compound obtainable from contacting a transition metal salt with a compound of the Formula (1): wherein: x represents plural atoms required to form at least one ...	12/19/2006
7147697	Magenta metal complex azo compounds and inks and their use in ink-jet printing A metal chelate compound obtainable from contacting a transition metal salt with a compound of the Formula (1) or a salt thereof: wherein p is 1 to 2. Also compositions, inks, printed substrates, ink-jet cartridg...	12/12/2006
7125966	Azo compounds The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs	10/24/2006
7115710	Diagnosis and treatment of PTP related disorders The present invention relates to PTP05 polypeptides and PTP10 polypeptides, nucleic acids encoding such polypeptides, cells, tissues and animals containing such nucleic acids, antibodies to such polypeptides, assays utilizing such polypeptides, and methods relating ...	10/03/2006
7115162	Aqueous ink, inkjet recording ink and inkjet recording method To provide an aqueous ink, particularly, an inkjet recording ink, and an inkjet recording method, which can form an image having good color hue and excellent fastness to light and active gases in the environment, particularly, ozone gas, the aqueous ink has a polyaz...	10/03/2006
7101983	Azo dyes The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or ...	09/05/2006
7097670	Yellow disperse dye mixture which has a high level of light fastness The present inventions refers to a dye mixture comprising from 25 to 80% by weight with respect to the total dyestuff fraction of the yellow dyestuff represented by the structural formula [1] and from 75 to 20% b...	08/29/2006
7091328	Fiber-reactive mono-azo dyes According to the invention there are provided fiber-reactive dyestuffs which are compounds of the formula (I) wherein the substituents are defined as in claim 1, a process making the same and th...	08/15/2006
7087731	Phthalimidyl azo dyes, process for the preparation thereof and the use thereof The present invention relates to dyes of formula wherein R1 is hydrogen, methyl or —BHCO—C1–C4alkyl, R2 is C1–C4alkyl, it being possible for the alkyl chain, from C2 upwards, option...	08/08/2006
7083670	Aqueous ink and inkjet recording ink An aqueous ink comprising at least one dye having at least one ionic hydrophilic group within a molecule thereof and represented by the following formula (1): wherein A and B each independently represents a subst...	08/01/2006
7078149	Optical recording medium and method for making the same A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that the optical disc has enough reflection rate. The dye layer comprises a ...	07/18/2006
7074267	Compositions and methods for imparting improved rheology on pigment based inks and paints Pigment composition comprising an organic pigment and a combination of at least two normally water-soluble coloured compounds (dyes) of opposing charge, i.e. of at least one anionic and one cationic dye are provided. The compositions impart improved rheology on non-...	07/11/2006
7063970	Enzymatic preservation of water based paints A preserved and/or conserved water based paint composition comprising an oxidoreductase, an oxidizing agent, a binder and at least 10% w/w water. ...	06/20/2006
7060807	AOX-free navy and black disperse dyes Monoazo dyestuffs of the general formula (1) wherein R1, R2, R3 and n are as defined in claim 1, method for their preparation and a method for colouring a synthetic textile...	06/13/2006
7053140	Colored thermoplastic resin compositions for laser welding, colorants therefor of mixtures of amine salts of anthraquinone and monoazo complex dyes, and molded product therefrom Thermoplastic resin compositions are described in which amine salts of anthraquinone dyes and monoazo complex dyes are added. These compositions show superior performance in laser welding applications. ...	05/30/2006
7012137	Phthalimidyl azo dyes, process for the preparation thereof and the use thereof The present invention relates to dyes of formula (I) wherein R is hydrogen or bromine, R1 is hydrogen, methyl or —NHCO—C1–C4alkyl, R2 is C1–C4alkyl substituted by C1–C4...	03/14/2006
6997978	Magneta ink-jet inks The present invention is drawn to magenta dye blends and magenta ink-jet inks that can be used in ink sets for creating photo quality images. The dye blend can comprise a nickel-containing azo dye blended with a rhodamine dye at a 1:80 to 125:4 weight ratio. ...	02/14/2006
6991676	Dye sets and ink sets for ink-jet ink imaging The present invention is drawn to dye sets for formulating ink-jet ink sets, and to specific ink sets. The dye set can comprise cyan colorant including a phthalocyanine dye; magenta colorant including a copper- or nickel-containing azo dye; and yellow colorant inclu...	01/31/2006
6962609	Multi-colored fabrics made from a single dye formula, and methods of making same A process for making multi-colored fabrics from a single dye formula is described. The process involves providing a substrate including synthetic fibers, with the substrate having defined regions where the synthetic fibers have differing levels of fiber orientation,...	11/08/2005
6962611	Dye mixtures of fiber-reactive azodyes and use thereof Reactive dye mixtures containing one or more dyes of the hereinbelow indicated and defined general formula (I) and one or more dyes of the hereinbelow indicated and defined general formula (II) ...	11/08/2005
6953846	Pyridone dyes, a process for their preparation and their use in the production of colored plastics or polymeric color particles The present invention relates to pyrifone azo dyes of formula (1), wherein A is the radical of a diazo component of the benzene, naphthalene, diphenyl, azobenzene, thiophene, benzothiazole, benzoisothiazole, thiadiazole, indazole, benzotriazole, pyrazole, anthraquin...	10/11/2005
6913641	Laked monoazo pigments based on naphtholsulfonic acids The invention relates to novel monoazo compounds of formula (1), wherein R represents H or Cl, M2+ represents Ca2+ or SR2+ and Y1=H and Y2=SO3− or Y1=SO3−	07/05/2005
6790490	Dye type polarizing plate This invention relates to a polyvinyl alcohol type polarizing film or plate which comprises a water-soluble dye having the formula (1) in a free acid form or a copper complex salt thereof. The said polarizing plate has excellent polarizing performance capability and...	09/14/2004
6723835	Azopyridone compounds, compositions and use Compositions containing a solvent and at least one compound of Formula (1) in which: R1 represents H, an optionally substituted C1-8carbyl derived group, or a group of Formula A: ...	04/20/2004

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Class 8/639 - Azo