Class 534/678 - Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)

Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Compounds which contain a --OH group bonded directly to
No. of patents: 36
Last issue date: 06/06/2006

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Number	Title	Issue Date
7056376	Printing process using specified AZO compounds A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a compound of Formula (1): T-Q-N═N-L-T Formula (1) wherein: each T independently is ...	06/06/2006
6916348	Dyed leather and method for dyeing tanned leather Tanned leather is (a) pretreated in an aqueous and alkaline medium either with ammonia, primary amines or a mixture of ammonia and primary amines and then with a polyfunctional organic compound containing at least one aldehyde group as a functional group, or (b) in ...	07/12/2005
6887556	Material for making a conductive pattern A material for making a conductive pattern, the material comprising a support and a heat-differentiable element, the heat-differentiable element comprising an outermost layer containing a polyanion and an intrinsically conductive polymer and optionally a second laye...	05/03/2005
6863955	Material having a conductive pattern; and a material and method for making a conductive pattern A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conduct...	03/08/2005
6759083	Material having a conductive pattern; and a material and method for making a conductive pattern A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conduct...	07/06/2004
RE38531	Tetrakisazo dyes, their production and use Tetrakisazo dyes of formula (I), as defined in claim 1, optionally in admixture with trisazo dyes of formula (X) as defined in claim 4, are valuable anionic dyes for the dyeing of substrates dyeable with anionic dyes, in particular for the dyeing of le...	06/08/2004
6746751	Material having a conductive pattern and a material and method for making a conductive pattern A material for making a conductive pattern, the material comprising a support and a conductive element, the conductive element containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost...	06/08/2004
6409810	Water-soluble trisazo compounds, aqueous ink composition and colored article A black recording having high solubility, being stable even after being stored for long, and capable of forming a printed image with a high optical density and excellent water and light resistances. The recording fluid contains a trisazo compound of gener...	06/25/2002
6043349	Tetrakisazo dyes, their production and use Tetrakisazo dyes of formula (I), as defined in claim 1, optionally in admixture with trisazo dyes of formula (X) as defined in claim 4, are valuable anionic dyes for the dyeing of substrates dyeable with anionic dyes, in particular for the dyeing of leath...	03/28/2000
6011141	Acid polyazo dyes Polyazo dyes of the formula ##STR1## where n, Y1, Y2, Y3, Y4, X, R1, R2 and R3 are each as defined in more detail in the description are useful for dyeing natural or synthet...	01/04/2000
5700296	Azo compound and a polarizing film containing the same An azo compound of the following formulae (I) or (II): ##STR1## wherein Q1 represents a phenyl group or a naphthyl group, Q2 represents a phenyl group; R represents hydroxy group; R1 and R2 each independent...	12/23/1997
5659020	Tetrakisazo compound and a polarizing film containing the same A tetrakisazo compound of the formulae: ##STR1## wherein Q1 represents a phenyl or naphthyl group, Q2 represents a phenyl which is substituted by at least one substituent selected from a hydroxy group and an amino group, and R	08/19/1997
5530105	Tetraskisazo compound and ink containing the compound A tetrakisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q1 and Q2 independently represent phenylene or naphthylene group which may be optionally substituted, R4, R5...	06/25/1996
5215578	Ink containing tris-azo dye, ink-jet recording method and apparatus using the same An ink composition that includes water, a water-soluble organic solvent and a dye. The dye is represented by the following Formula, in which the number of sulfonic acid groups and the number of amino groups are each not less than 2, and the number of sulf...	06/01/1993
5171848	Salts of black trisazo dyes with alkyl amines having good solubility in organic liquids Black compounds of Formula (1) having enhanced solubility in polar organic liquids which are useful as ink colorants in conventional and hot melt ink-jet printing and automatic identification, as black colorants for toners and thermal wax transfer sheets ...	12/15/1992
5104979	Polyazo dyes with diazo components of the aminophenol and the amino diphenyl-sulfide, -sulfoxide or -sulfone series Polyazo dyes useful for dyeing leather in the free form or as copper, chromium, iron, cobalt or nickel complexes have the formula ##STR1## where m is 0, 1 or 2, n is 0 or 1, p is from 1 to 2, q is from 0 to 1, and R1, R2, R...	04/14/1992
4996302	Process for the preparation of polyazo dyes A process for the preparation of polyazo dyes is described which comprises (a) diazotizing a compound of the formula ##STR1## and coupling the product onto a compound of the formula ##STR2## (b) diazotizing a compound of the formula ##STR3## ...	02/26/1991
4841037	Amino sulfonaphtholtrisazo compounds and recording liquids containing the same A naphthalene trisazo compound represented by the general formula (I) or (II): ##STR1## wherein A and B each represents a substituted or unsubstituted benzene or naphthalene ring; m represents zero or 1; and M represents an alkali metal atom, am...	06/20/1989
4758659	Hexakisazo dyes A hexakisazo dye suitable for dyeing cellulose, natural or synthetic polyamide meterials, leather, represented by the formula ##STR1## wherein X is --CH.dbd.CH--, --CONH--, --CRH-- (wherein R is phenyl which is unsubstituted or substituted by H or a ...	07/19/1988
4742162	Azo-stibene condensates as leather dyes Condensates of an azo compound of the formula ##STR1## wherein n is 1 or 2, with the stilbene compound of the formula ##STR2## in the molar ratio of 1:1 to 2:1, dye leather in a yellowish-brown shade, which penetrate deeply into the leather, and...	05/03/1988
4701525	Polyazo dyestuffs having high UV absorption Compounds of the formula in which A is the radical of a bisazo or trisazo dye, L and L' are organic radicals and B and B' are cyclic organic radicals and at least one of the radicals B and B' has spectral absorption in the UV region and one of the radical...	10/20/1987
4649194	1:2 metal complexes of a disazo compound having a 5-hydroxy-1-(aminophenyl)pyrazole coupling/diazo component radical and disazo compound having a 1-amino-8-hydroxynaphthalene coupling/diazo component 1:2 Metal complexes of the formula ##STR1## wherein X1 is --O-- or ##STR2## and X2 is --O-- or ##STR3## the starred atom being attached A1 or A2, respectively, A1 is a diazo comp...	03/10/1987
4638055	Iron, copper and chromium complexes of disazo dyes Compounds which in the form of the free acid are of the general formula I ##STR1## where A is a radical of the formula ##STR2## the radicals Y independently of one another are each hydroxyl or amino, X is hydrogen, hydroxysulfonyl or a radical o...	01/20/1987
4563520	Metal complexes of dis- or trisazo compounds containing a middle component twice substituted by hydroxy and/or amino Compounds containing sulfonic acid groups and of the general formula I ##STR1## where D1 is a radical of a diazo component, X1 and X2 independently of one another are each hydroxyl or unsubstituted or substituted amin...	01/07/1986
4547566	Copper, cobalt, nickel and iron complexes of disazo dyes Compounds which in the form of the free acid are of the general formula I ##STR1## where A is a radical of the formula ##STR2## the radicals Y independently of one another are each hydroxyl or amino, X is hydrogen, hydroxysulfonyl or a radical o...	10/15/1985
4358287	Asymmetric 1:2 metal complexes of diazo compounds 1:2 Metal complexes of the formula ##STR1## in which each of X1 and X2, independently, is --COO-- or --O--, each of B1 and B2, independently, is a radical of a coupling component of the benzene or oxyquinoline s...	11/09/1982
4263229	Metal complex dyes of trisazo compounds having a 3,5-dinitro-2-hydroxyphenylazo group and two other arylazo groups bound to a 1-amino-3-hydroxy-1,3-diamino- or 1,3-dihydroxy-benzene nucleus Compounds of the formula ##STR1## homogeneous and heterogeneous metal complexes thereof, and mixtures of said compounds and complexes, wherein each A is independently hydroxy or amino, T is carboxy or sulpho, T1 is hydrogen, nitro, halo, alkyl,...	04/21/1981
4212802	1:2 Chromium complexes of disazo compounds Complexes of the formula ##STR1## in which each of X1 and X2, independently, is --COO-- or --O--, each of B1 and B2, independently, is the radical of a coupling component of the benzene series containing up to t...	07/15/1980
4144230	Soluble trisazo dyestuffs containing a 2-phenyl-benzimidazolyl, -benzoxazolyl or -benzthiazolyl middle component A water-soluble trisazo dyestuff of the formula B1 --N.dbd.N--Z--N.dbd.N--M--N.dbd.N--B2 is useful for dyeing substances containing nitrogen or hydroxyl wherein Z is ##STR1## M has the formula ##STR2## B1 an...	03/13/1979
4120854	Disazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or amino-hydroxy-benzene nucleus and metal complexes thereof Compounds of the formula ##STR1## in which R1 is hydrogen or nitro, Each of R2 and R3, independently, is --OH or --NH2, R4 is hydrogen, nitro or (C1-4) alkyl, R5 is hydrogen, nitro or...	10/17/1978
4097476	Trisazo dyes having a 2,7-(1-amino-3,6-or 4,6-disulfo-8-hydroxynaphthylene) radical Disclosed are compounds of the formula, ##STR1## in which X is hydrogen, chlorine, C1-4 alkyl or alkoxy, --SO3 M or --CO2 M, one of the Y's is hydrogen, the other --SO3 M, A is a mono- or di-sulphonaphthyl radic...	06/27/1978
4083845	Polyazo dyestuffs having a dianisidine component, a diaminophenyl sulfonic acid component, and a naphthol component The invention relates to polyazo dyestuffs of the formula ##STR1## in which R denotes hydrogen, methyl or chlorine, X denotes methyl or ethyl and K represents a radical of the formula ##STR2## WHEREIN M DENOTES 1, 2 OR 3, OR REPRESENTS A RADICAL OF T...	04/11/1978
4081438	Anionic azo dyes having a 3-dibenzofuranyl diazo component radical optionally having A2-or 8-sulfo group Disclosed are azo dyes containing a diazo component radical of the formula ##STR1## wherein each of Z and Z1 is independently hydrogen or sulfo, With the proviso that at least one of Z and Z1 is hydrogen, For example monoazo and disazo dy...	03/28/1978
4081437	Water soluble polyazo dyestuffs Dyestuffs of the formula: ##STR1## in which C2 represents the radical of the formula: ##STR2## where X is NH2 or OH, C1 and C3 are different residues of molecules C1 H and C3 H fr...	03/28/1978
3966703	Asymmetrical frisazo dyestuffs derived from diazotized 2,7-diamino-carbazole Azo dyestuffs of the formula ##SPC1## Wherein A and B are different radicals of an aromatic coupling component are described. The new dyestuffs are outstandingly suitable for dyeing and printing natural or synthetic fibre materials containing hydroxyl gro...	06/29/1976
3965087	Trisazo dye containing a diphenylenesulfone structure A polyazo dye represented by the formula ##SPC1## Wherein A is an optionally substituted aromatic ring; B is an aromatic ring having at least one substituent selected from the group consisting of amino, substituted amino and hydroxy; Y is hydrogen, alkali...	06/22/1976

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Class 534/678 - Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)