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| Number | Title | Issue Date |
| 5188640 | Use of 1-amino-2,7-di-[5'-((2"-chloro-4"-substituted amino-1,3,5-triazin-6-ylamino)-2'-sulfophenylazo]-8-hydroxynaphthalene-3 ,6-disulfonic acids for dyeing and printing Compound of the formula ##STR1## in which both groups --NR1 R2 are identical; R1 is C2-4 alkyl, substituted by one or two hydroxy groups and salts thereof, R2 is hydrogen, C2-4 hydroxyalkyl... | 02/23/1993 |
| 5175353 | 2-(2'-aminoethoxy)-ethanol salt of dicamba The 2-(2'-aminoethoxy)ethanol salt of dicamba is useful as a herbicidal and has the advantages of a lower volatility and excellent solubility in water and organic solvents.... | 12/29/1992 |
| 5132411 | Azo compounds having 2,4-disubstituted-3-halothienyl-5-diazo component radicals, dyeing processes therewith and substrates dyed therewith Compounds of the formula ##STR1## wherein R is halo, R1 is cyano; (C1-6 alkoxy)carbonyl; (C3-6 alkenyl)oxycarbonyl; C1-4 alkylsulfonyl; phenylsulfonyl; (C1-4 alkyl)carbonyl; benzoyl; carbamoyl; (... | 07/21/1992 |
| 5126443 | Phthalocyanine azo dyes containing 5-cyano-dichloropyrimidyl group Compounds of the formulae ##STR1## salts thereof, and mixtures of such compounds or salts, wherein Me, Pc, Q1, R1, R2, R3, Y, a, b, c and d as defined, useful as fiber-reactive dyes for dyeing or printing hydrox... | 06/30/1992 |
| 5123930 | 1:2 chromium and cobalt complexes of monoazo compounds for drying porous oxide layers on aluminum and aluminum alloy substrates 1:2 metal complexes of the formula ##STR1## wherein each of R1 and R3 is independently hydrogen or nitro, with the proviso that when a ring has two nitro groups, they are meta to each other, each of R2 and R4 | 06/23/1992 |
| 5122605 | Sulfo group containing triphendioxazines having at least one 1,3,5-triazine ring Sulpho group-containing dioxazine compounds corresponding to the formula ##STR1## in which the symbols are as defined in the specification, and salts thereof as well as dyeing preparations thereof are useful for dyeing or printing hydroxy group- or n... | 06/16/1992 |
| 5118853 | Processes for the synthesis of 3-disubstituted aminoacroleins Process for the synthesis of compounds of the formula ##STR1## comprising the steps of (i) reacting a compound of the formula ##STR2## with oxalyl chloride or oxalyl bromide to form the corresponding compound of the formula ##STR3## (i... | 06/02/1992 |
| 5106958 | 1:1 Copper complexes of further unsubstituted or substituted 6-(2'-chloro-4'-substituted amino-1,3,5- triazin-6'-ylamino)-1-hydroxy-2-(2'-hydroxy-5'-sulfophenylazo)-3- sulfonaphthalenes Compounds of the formula ##STR1## and salts thereof, wherein R1 is hydrogen, chloro, bromo, carboxy or sulfo, R2 is hydrogen or C1-4 alkyl, R3 is hydrogen, C1-4 alkyl or C1-4 hydroxyalkyl, ... | 04/21/1992 |
| 5101021 | 4-(5',6'- and 6',7'-dihalobenzothiazol-2'-ylazo)-3-methyl-N-methyl-N-[(acetoxy or methoxycarbonyloxy)-C2-3 alkyl]anilines and mixtures thereof Compounds of the formula ##STR1## and mixtures of such compounds, wherein each R1 is independently halo, R3 is hydrogen or methyl, with the proviso that when R5 is ethoxy, R3 must be methyl, R4 i... | 03/31/1992 |
| 5095101 | 1-Amino-2,7-di-[5'-(2"-chloro-4"-substituted amino-1,3,5-triazin-6"-ylamino)-2'-sulfophenylazo]-3,6-disulfonic acids The present invention provides compounds of the formula, ##STR1## in which both groups --NR1 R2 are identical; R1 is C2-4 alkyl, substituted by one or two hydroxy groups or by one --OR3 groups, w... | 03/10/1992 |
| 5092905 | Mixtures of at least three anionic dyes and their use for dyeing natural and synthetic polyamides Dye mixtures comprising (i) as a yellow component, at least one compound of the formula ##STR1## or a salt thereof, wherein R1 is hydrogen, C1-4 alkoxy, C1-4 alkyl or C1-4 alkyl monosubstituted by halo, R2... | 03/03/1992 |
| 5084068 | Dyes containing two phthalocyanine groups linked by a radical containing two quaternized nitrogen atoms Compounds of the formula ##STR1## and mixtures thereof, wherein each Mt is independently copper, nickel or cobalt, each Pc is the phthalocyanine radical, each R4 is independently hydrogen, C1-4 alkyl or C1-4 alkyl monosubs... | 01/28/1992 |
| 5077396 | Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical Compounds of the formula ##STR1## wherein each A is independently linear or branched C2-6 alkylene or linear or branched C3-6 alkylene substituted by hydroxy, each D is independently the radical of a diazo component of the benzene, ... | 12/31/1991 |
| 5059683 | Dyes containing 6-hydroxypyrid-2-one groups the 1-positions of which contain substituted 1,3,5-triazinyl or pyrimidyl-piperazino or -piperazinium groups linked through bridging radicals and intermediates therefor Compounds of the formula ##STR1## and acid addition salts thereof wherein A1 is C1-8 alkylene; C2-8 alkylene substituted by 1 or 2 substituents selected from hydroxy, halo and cyano; C2-8 alkenylene; cycloh... | 10/22/1991 |
| 5037964 | Metal-free sulfo group-free basis disazo and trisazo compounds containing two different 6-hydroxypyrid-2-one coupling component radicals (i) Metal-free compounds of the formula ##STR1## These compounds are useful as dyes for paper and textiles.... | 08/06/1991 |
| 5037448 | Processes for the mass dyeing of synthetic polyamides Salts of ionic dyes with compounds which contain at least one ammonium, cycloammonium or immonium group and at least one aliphatic, cycloaliphatic or carbonyl radical-substituted aromatic group or containing a piperazine or piperidine group or a heteroaro... | 08/06/1991 |
| 5034949 | Potassium niobate crystals, process for their preparation and laser comprising them Single domain crack-free and striation-free KNbO3 crystals having a maximum iron content of 15 ppm, a process for the synthesis of such crystals and laser systems comprising single domain crack-free and striation-free KNbO3 crystals ... | 07/23/1991 |
| 5032142 | Trichromatic azo dye mixtures and their use for dyeing cellulose and leather Trichromatic dye mixtures containing (i) as the orange component at least one dye of the formula ##STR1## or a salt thereof, or, as the yellow component, at least one dye of the formula ##STR2## or a salt thereof, wherein R1 is hydrogen ... | 07/16/1991 |
| 5030247 | Mixtures of disazo compounds containing two phenyl diazo component radicals having one or two (C1-4 alkoxy)carbonyl groups and a bis-acetoacetamido-arylene coupling radical Mixtures of azo pigments of the formulae ##STR1## wherein each R1 is independently C1-4 alkyl, and each R2 is independently 1,4-phenylene; 1,4-phenylene substituted by 1 or 2 substituents independently selected from chloro... | 07/09/1991 |
| 5023324 | Biscationic disazo and trisazo compounds having optionally further substituted 6-hydroxy-4-methy-3-N-pyridiniumpyridone-2 coupling component radicals, dyes compositions comprising them and their use Disazo and trisazo compounds free of sulfo groups which contain 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2 coupling component radicals, the preferred compounds being of the formula ##STR1## wherein R is a tetrazo component radical, each R1 | 06/11/1991 |
| 5008379 | Chromium complexes of sulfo group containing disazo compounds having a resorcinol biscoupling component radical Water-soluble, anionic, chromium complexes of disazo compounds, at least one of the complex-forming disazo compounds being of the formula, ##STR1## in which ##STR2## is the radical of a carboxy group-containing diazo component of the benze... | 04/16/1991 |
| 5006128 | Substituted 2,4-di[4'-(disulfonaphth-2"-ylazo)phenylamino]-6-amino-1,3,5-triazines Compounds of the formula ##STR1## and salts thereof, wherein R1 is hydrogen or methyl, R2 is hydrogen, methyl or acetamido, R3 is hydrogen, methyl or methoxy, R4 is hydrogen, C1-4 alkyl or hydroxy(C2-... | 04/09/1991 |
| 5006644 | Copper complexes of further substituted 2,4-di-[2'-(2"-hydroxyphenylazo)-1'-hydroxy-3'-sulfonaphthyl-6'-amino]-6 -chloro-1,3,5-triazines Complexes of the formula ##STR1## and salts thereof, wherein each of R1 -R4 is independently hydrogen, halo, nitro, C1-4 alkyl, C1-4 alkoxy, --NHCOR8, --COX or --SO2 Z, wherein R8... | 04/09/1991 |
| 5001255 | Idene analogs of mevalonolactone and derivatives thereof Compounds of the formula ##STR1## the use thereof for inhibiting cholesterol biosynthesis and lowering the blood cholesterol level and, therefore, in the treatment of hyperlipoproteinemia and atherosclerosis, pharmaceutical compositions comprisi... | 03/19/1991 |
| 5001226 | Metal-free disazo and polyazo compounds having at least one 6-hydroxypyrid-2-one coupling component radical linked to a 1-amino- or hydroxy-3-amino- or hydroxybenzene coupling component radical and metal complexes thereof Compounds of the formula ##STR1## 1:1 and 1:2 metal complexes thereof, salts of such compounds and metal complexes and mixture thereof, wherein each of B1 and B2 is independently hydroxy or amino, each D is independently ##STR2#... | 03/19/1991 |
| 4973704 | Pyrrolyl intermediates in the synthesis of pyrrole analogs of mevalonolactone and derivatives thereof Compounds of the formula ##STR1## wherein R1 is C1-6 alkyl not containing an asymmetric carbon atom, C3-7 cycloalkyl or ##STR2## wherein R5, R6 and R7 are as defined below, R | 11/27/1990 |
| 4954133 | Mixtures of a 1:1 copper or nickel complex of a stilbene-azo or stilbene-azoxy compound having two 4,4'-(2,2'-disulfostilbenylene) radicals and a 1:1 copper or nickel complex of a stilbene-azo or stilbene-azoxy compound having one such radical Compounds of the formula ##STR1## wherein each A, independently, is a ##STR2## wherein R1 is hydrogen, halo, C1-4 alkyl or C1-4 alkoxy, R2 is hydrogen, halo, C1-4 alkyl, C1-4 alkoxy, ... | 09/04/1990 |
| 4900812 | Sulfo group-containing metal phlhalocyanine azo compound having a 6-hydroxypyrid-2-one coupling component radicals having a fiber-reactive group Compounds of the formula ##STR1## and water-soluble salts thereof each cation of which is independently a non-chromophoric cation, wherein Me is cobalt, copper or nickel, Pc is the phthalocyanine radical, each R1 and R2 is independen... | 02/13/1990 |
| 4889535 | 4-Substituted benzothiazol-2-ylazo-N-c8-14-alkykl-N-(2'-cyanoethyl)anilines optionally having a 3-C1-4-alkyl group Compounds of the formula ##STR1## and mixtures thereof, wherien p1 R1 is hydrogen, chloro or bromo, p1 R2 is hydrogen, chloro, bromo or nitro, p1 R3 is hydrogen, chloro, bromo, nitro or --SCN, p1 R4 is hydr... | 12/26/1989 |
| 4879373 | 1-(dichloro-4'-sulfamoyl or substituted sulfamoyl-phenyazo)-2-hydroxy-3-phenylcarbamoyl or substituted phenylcarbamoyl-naphthalenes each of R2 and R3 is independently hydrogen, chloro, bromo, methyl, methoxy or ethoxy, useful as pigments for, for example, the mass pigmenting of viscose and surface coatings such as oil and water base paints, lacquers and inks, pig... | 11/07/1989 |
| 4877412 | Sulfo group-containing monoazo compounds having an unsubstituted or substituted 4-(benzothiazol-2'-yl)phenyl or 4-(6'-benzothiazol-2"yl)-benzothiazol-2'-yl)phenyldiazo component radical and a 6-hydroxypyrid-2-one coupling component radical Compounds of the formula ##STR1## in free acid or salt form and internal, external and acid addition salts thereof, wherein K is ##STR2## wherein R3 -R5, R20, R21 and X-Z are as defined in the sp... | 10/31/1989 |
| 4875903 | Monoazo compounds containing a 2-sulfophenyl diazo component radical and a 1-hydroxy-naphthalene-sulfonic or disulfonic acid coupling component radical and two substituted 1,3,5-triazine rings Compounds of the formula ##STR1## wherein each R1 is independently hydrogen, C1-4 alkyl or C1-4 alkyl monosubstituted by hydroxy, halo, cyano or C1-4 alkoxy, each of X1 and X3 is indep... | 10/24/1989 |
| 4876280 | Arylcyclohexane and arylcyclohexene analogs of mevalonolactone derivatives and their use Compounds of the formula ##STR1## wherein R1 is hydrogen, C1-3 alkyl, n-butyl, i-butyl or t-butyl, R2 is hydrogen or C1-3 alkyl, R3 is hydrogen or C1-3 alkyl, R4 is hydrogen, C | 10/24/1989 |
| 4874392 | Monoazo dyes having a substituted 1,4-phenylene coupling component radical having one C8-14 alkyl group or moiety A Monoazo compounds of the formula ##STR1## wherein D is a diazo component radical of the 4-nitrophenyl series, thienyl-2 series, thiazolyl-2 series or 5-nitrobenzoisothiazolyl-3 series, R1 is hydrogen; C1-2 alkyl; C1-2 al... | 10/17/1989 |
| 4092329 | Process for the synthesis of certain 2-amino-5-cyanothiophenes The invention relates to a process which comprises reacting a compound of formula I, ##STR1## in which A1 is a radical which does not compete with the activity of the ##STR2## OR A TAUTOMER THEREOF, WITH A COMPOUND OF FORMULA II,... | 05/30/1978 |
| 4087244 | Dyeing and printing basic dyeable textile substrates with becationic disazo and trisazo dyes having optionally further substituted 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2-coupling component radicals Disclosed are disazo and trisazo dyes free of sulfo groups which contain two 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2 coupling component radicals, preferably dyes of the formula ##STR1## wherein R is a tetrazo component radical, Each R1... | 05/02/1978 |
| 4085098 | Azo dyes containing a heterocyclic ring having a quaternized nitrogen atom and at least one optionally substituted phenoxyalkyl or naphthyloxyalkyl substituent Disclosed are basic azo dyes, free from sulphonic acid groups, and of formula, ##STR1## in which Q signifies an unsubstituted or substituted phenyl or naphthyl radical, R1 signifies hydrogen, unsubstituted or substituted C1-4 al... | 04/18/1978 |
| 4083842 | Diazo compounds containing two optionally substituted-5-arylazo-6-hydroxypyridone-2 radicals linked through their nitrogen atoms Compounds of the formula ##STR1## wherein EACH OF D1 and D2 is independently a diazo component radical, e.g., phenyl, naphthyl, thiazolyl, benzothiazolyl or benzoisothiazolyl, or a substituted derivative thereof, R1 i... | 04/11/1978 |
| 4083681 | Compositions of metal complexes of disazo acid dyes stabilized with amino ethers Stabilized dye compositions comprising a dye of the formula ##STR1## OR A SALT THEREOF, WHEREIN EACH Me is copper or nickel, Y is optionally substituted arylcarbamoyl, Z is lower alkyl, or Y and Z taken together and with the carbon atoms to which they are join... | 04/11/1978 |
| 4083840 | Disazo dyes having a 6-amino or substituted triazinylamino-1-hydroxynaphthalene-3-sulfonic acid coupling component radical Disclosed are compounds of the formula, ##STR1## or WHEREIN D is, ##STR2## X is --COOM or --SO3 M, R1 and R2, independently, are hydrogen, halogen, C1-3 alkyl or C1-3 alkoxy, m is 1, 2 or 3,... | 04/11/1978 |
