Class 534/837 - Sulfonic acid group bonded directly to the bicyclo ring system (-(0=)S(=0) OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)

Subclass of Class 534 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein a --OH group is bonded directly to the
No. of patents: 31
Last issue date: 11/07/2000

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Number	Title	Issue Date
6143062	Water-soluble disazo compounds, aqueous ink compositions, and colored articles Are disclosed disazo compounds represented by the general formula (1): ##STR1## wherein A represents a phenylene or naphthylene group which may be optionally substituted; each of R1 and R2 represent independently a hydrogen atom...	11/07/2000
5989326	Dyes for ink jet printing Disazo dyes formula (VIII) ##STR1## or of formula (IX) ##STR2## Where A, R1, R2, n and M are as defined in the specification are excellent dyes for ink jet printing....	11/23/1999
5882392	Bisazo inkjet dyes A dye of Formula (1) and salts thereof: ##STR1## in which R is H, --NHC1-4 -alkylN(C1-4 -alkyl)2 or ##STR2## R1 and R2 each independently is H, optionally substituted C1-4 -alkyl ...	03/16/1999
5663309	Diazo dyes having a phenylene group as the middle component and a naphthalene group as the terminal diazo component Azo dyes of the formula ##STR1## in which R1 is hydrogen or substituted or unsubstituted phenylamino, R2 is hydrogen, amino or N-mono- or N,N-di-C1 -C4 alkylamino, R3 is hydrogen or hydroxyl, R4	09/02/1997
5647897	Ink composition for ink jet recording An ink composition for ink jet recording is provided which can satisfy property requirements of quality of print, drying property of print, clogging resistance, water resistance, storage stability, and nonattacking on members constituting an ink passage, ...	07/15/1997
5510468	Amino benzophenone dye There are described benzophenoneazo dyes of the formula ##STR1## where the ring A can be benzofused and a benzofused ring A can be overbridges, m is 1 or 2, K is the radical of a coupling component, Y is hydrogen or arylazo, one of the two radicals X...	04/23/1996
5380859	Pyridone compounds and the preparation of disulfonated pyridone compounds There are described benzophenoneazo dyes of the formula ##STR1## where the ring A can be benzofused and a benzofused ring A can be overbridged, m is 1 or 2, K is the radical of a coupling component, Y is hydrogen or arylazo, one of the two radicals X...	01/10/1995
5366543	Alcohol-soluble dye and ink composition containing the same The present invention provides a disazo salt-forming dye having excellent solubility with organic solvents, especially alcohols and glycols. The present invention thus provides a disazo salt-forming dye represented by the Formula (I): ##STR1## or the...	11/22/1994
5332806	Disazo dyes which contain 2-hydroxynaphthyl moiety Azo dyes of the formula ##STR1## where A and B are each independently of the other substituted or unsubstituted phenyl or naphthyl and X is --N(R1)--SO2 --, --O--SO2 -- or --SO2 --N(R1)--, where ...	07/26/1994
5258505	Trisazo compounds, and dye compositions containing same Disclosed herein is an azo compound represented by the formula ##STR1## wherein R1, R2 and R3 each are a group or atom selected from the group consisting of a hydrogen atom, alkyl groups having 1 to 4 carbon atoms, a ...	11/02/1993
5203912	Anionic dye A dye which, in the free acid form, has the formula ##STR1## wherein W is COOH X is selected from H, COOH, SO3 H, halo, hydroxy, nitro, cyano, C1-6 -alkyl, C1-6 -alkoxy and C1-6 -acylamino; Y is H, COOH or SO	04/20/1993
5198022	Waterfast dye and aqueous ink A alkali-soluble dye for a waterfast ink having structural formula as follows: ##STR1## and an ink containing the dye dissolved in water. Printing from the ink is insoluble below pH 6.0; is an intense black at low concentration; and remains blac...	03/30/1993
5175260	Disazo dyes with hydroxysulfonylnaphthalene coupling components Disazo dyes suitable for preparing inks have the formula ##STR1## where m is 1 or 2, n is 0 or 1, Z1 is hydrogen or substituted or unsubstituted C1 -C4 -alkyl, Z2 is hydrogen, substituted or unsubstituted C...	12/29/1992
5062893	Ink formulations by mixing anionic waterfast dyes containing two or more carboxyl groups Inks are provided comprising (a) at least two dyes corresponding to the formula ##STR1## wherein W is COOH, X is H, or COOH, Y is H, COOH, or SO3 H, Z is H, COOH, or SO3 H, and R is H, CH2 COOH, or CH2 CH2	11/05/1991
4963189	Waterfast ink formulations with a novel series of anionic dyes containing two or more carboxyl groups Inks are provided comprising (a) a dye corresponding to the formula ##STR1## wherein W is COOH, X is H, or COOH, Y is H, COOH, or SO3 H, Z is H, COOH, or SO3 H, and R is H, CH2 COOH, or CH2 CH2 COOH; with ...	10/16/1990
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
4772687	Metal complex dyestuffs useful as solvent, direct, pigment or fiber-reactive dyes Metal complex dyestuffs which in the form of the free acid correspond to the formula ##STR1## in which the substituents have the meaning given in the description are, depending on the meanings of the substituents, suitable for use as reactive dy...	09/20/1988
4557761	Recording liquid A recording liquid comprising coloring matter, which is an image-forming component, and a liquid medium for dissolving or dispersing the coloring matter, the recording liquid being characterized by containing at least one of the dyes represented by the fo...	12/10/1985
4544739	Fibre-reactive chromium complex Azo-azomethine dyes Chromium complex dyes which, in the form of the free acid, have the formula ##STR1## wherein Z is hydrogen, nitro, chlorine or naphthylazo or phenylazo, wherein naphthyl or phenyl is unsubstituted or substituted by nitro, chlorine, bromine, C1-5...	10/01/1985
4412950	Monoazo and disazo colorants This invention relates to novel (N-substituted sulfonamido) monoazo and disazo compounds, to acid-addition salts of said azo compounds which are useful as direct dyes particularly in the dyeing of cellulose, to novel (N-substituted sulfonamido) substitute...	11/01/1983
4376729	Novel monoazo and disazo colorants This invention relates to novel (N-substituted sulfonamido) monoazo and disazo compounds, to acid-addition salts of said azo compounds which are useful as direct dyes particularly in the dyeing of cellulose, to novel (N-substituted sulfonamido) substitute...	03/15/1983
4314937	1:2 Chromium unsymmetrical complexes of azo and disazo dyes Chromium complex dyes of the formula ##STR1## wherein represents a halogen atom, a C1 -C5 -alkyl group, a C1 -C2 -alkoxy group, a nitro group, a C2 -C3 -alkanoylamino or C2 ...	02/09/1982
4255325	Reactive dyestuffs Reactive dyestuffs of the formula wherein D=the radical of an organic dyestuff, m=1-4 and T= ##STR1## wherein X and Y=a direct bond or a bridge member, W= ##STR2## acyl=an acyl radical and R1 -R3 =H, alkyl or aralkyl, the radica...	03/10/1981
4215042	Copper, and nickel complexes of azo dyestuffs The present invention relates to copper and nickel complexes of the formula ##STR1## wherein Me is copper or nickel; p is 1 or 2; E is the radical of a napthol or a phenol; R1 is hydrogen or lower alkyl; R2 is alkylene or arylene; and M i...	07/29/1980
4173565	Rubine disazo acid dyes for polyamides Dyes of the formula ##STR1## wherein B and D are each independently 1,4-phenylene or 1,4-naphthylene; M is hydrogen, lithium, sodium, potassium or ammonium; A1 is hydrogen, C1-4 alkoxy, C1-4 alkyl, trifluoromethyl, ni...	11/06/1979
4149851	Concentrated aqueous dye compositions containing a low molecular weight amide Concentrated, liquid preparations of metal-free direct azo dyes, which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the st...	04/17/1979
4143035	Disazo dyestuffs having an alkoxy group on the first and/or second component Compounds of the formula ##STR1## in which A1 and A2 may be hydrogen, alkyl, alkoxy, hydroxy, halo, trifluoromethyl, alkoxyalkoxy, hydroxyalkyl, hydroxyalkoxy, alkoxyalkyl, sulfamoyl, N-alkylsulfamoyl, carboxylic acyl or carboxy...	03/06/1979
4128544	Copper complexes of substituted sulfophenyl-azo-phenyl-azo-naphthalene sulfonic acids containing a heterocyclic fiber-reactive group Complexes of the formula ##STR1## WHEREIN V is hydroxy or amino, one of X1 and X2 is sulfo and the other is --NHR3, wherein R3 is heterocyclyl containing at least one substituent cleavable as an anion, pref...	12/05/1978
4058517	Preparation of a concentrated solution of an anionic azo dye containing a sulfonic acid group Process of preparing a concentrated solution of a water-soluble anionic azo dye containing 1 to 4 sulfonic acid groups by diazotization and coupling of a diazo and coupling component, respectively, in the solvent or solvent mixture required for the concen...	11/15/1977
4023924	Concentrated aqueous dye compositions containing a low molecular weight amide and their use for dyeing paper Concentrated, liquid preparations of metal-free direct azo dyes which contain in each instance 1 part by weight of dye, 1 to 8 parts by weight of water, and 0.5 to 5 or preferably 0.5 to 2 parts by weight of an amide are useful for dyeing paper in the sto...	05/17/1977
4009156	Hydroxynaphthalene trisazo dyestuffs The subject matter of the invention is trisazo dyestuffs, which in the form of the free acid correspond to general formula ##STR1## wherein K1 denotes the radical of the 2,8-dihydroxynaphthalene-6-sulfonic acid (coupled in alkaline medium)...	02/22/1977

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Class 534/837 - Sulfonic acid group bonded directly to the bicyclo ring system (-(0=)S(=0) OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)