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| Number | Title | Issue Date |
| 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 |
| 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 |
| 6476202 | 5-acylamino-2-arylazo, nitro, or nitroso-4-substituted-phenol compounds and method of using them Disclosed is a 5-acylamino-2-arylazo, nitro, or nitroso-4-substituted-phenol having the structural formula I: ##STR1## wherein: R* is an arylazo, nitro, or nitroso group, Y is a coupling-off group, and R' is a substituent group. Also disclosed is a method of u... | 11/05/2002 |
| 5942603 | Thermally stable crystal modification of dyestuff, process for production thereof, and method of dyeing hydrophobic fiber with it This invention related to a novel ଲ-crystal of the compound represented by the following formula (1), ##STR1## which is useful as a dyestuff. The ଲ-crystal of this invention is characterized by being stable in high temperature and having ... | 08/24/1999 |
| 5910578 | Phenylazoanilines Azo dyes of the formula ##STR1## where X is oxygen or a radical of the formula NR6, where R6 is hydrogen or substituted or unsubstituted C1 -C13 -alkyl, R1 is substituted or unsubstituted C1 | 06/08/1999 |
| 5744588 | Blue type disperse dye mixture and process for its preparation A blue type disperse dye mixture comprising 1.0 part by weight of at least one dye of the formula (1), from 0 to 0.2 part by weight of at least one dye of the formula (2), from 0.05 to 1.0 part by weight of at least one dye of the formula (3) and from 0.0... | 04/28/1998 |
| 5569751 | Monoazo dyestuffs which are free from ionic groups, their preparation and their use The present invention relates to new useful azo dyestuffs which are free from ionic groups, of the general formula I ##STR1## wherein X1, X2, X3, Y, R, R1 and R2 have the meanings given in Claim ... | 10/29/1996 |
| 5563276 | Polymerization of acrylic acid and derivatives thereof using azoamidoxime salt Acrylic acid or water-soluble derivatives thereof can be polymerized effectively in a short time using as a polymerization initiator an inorganic acid salt or organic acid salt of 2,2'-azobis(2-methylpropionamidoxime).... | 10/08/1996 |
| 5559218 | 2-aroylcyclohexanediones and their use as herbicides or plant growth-regulating agents 2-Aroylcyclohexanediones I ##STR1## (A is C1 -C6 -alkylene; R1 is substituted phenyl or hetaryl which may furthermore carry a fused ring; R2 -R5 are each hydrogen or C1 -C4 ... | 09/24/1996 |
| 5554739 | Process for preparing carbon materials with diazonium salts and resultant carbon products Processes for preparing a carbon product having an organic group attached to a carbon material. The carbon material is selected from graphite powder, a graphite fiber, a carbon fiber, a carbon cloth, a vitreous carbon product, and an activated carbon prod... | 09/10/1996 |
| 5550218 | Azo compounds having unsubstituted or substituted 2-phenoxycarbonylethyl groups Compounds of the formula ##STR1## wherein A is C1-6 alkylene, D is a diazo component radical of the triazolyl, pyrazolyl, cyano(C1-4 alkyl)-imidazolyl, 4-chlorothiazolyl, 4-chlorotheinyl-2, 3-phenyl-1,2,4-thiadiazolyl-5, is... | 08/27/1996 |
| 5510225 | Thermal dye sublimation transfer donor element Dye-donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer containing a bis(N,N-dialkyl(ene) or N,N-diaryl or N-alkyl(ene),N-aryl)aniline azo dye.... | 04/23/1996 |
| 5270455 | Polyazo dyes containing resorcinol as middle component and metal complexes thereof A metal complex suitable as dyes for the dyeing of a wide range of textile and non-textile materials, particularly leather and fur, said metal complex of a compound of the formula ##STR1## in which D and D1, independently of one another, a... | 12/14/1993 |
| 5145953 | Monomers of biscyclobutarenes bridged by at least one azo linkage A biscyclobutarene monomer is prepared having two cyclobutarene moieties bridged by a divalent radical having at least one azo linkage. The monomers can be polymerized to form polymers exhibiting outstanding thermooxidative stability at high temperatures ... | 09/08/1992 |
| 5075429 | Monoazo-disperse dye compounds their production and their use A monoazo compound of the formula, ##STR1## wherein D is a heterocyclic or carbocyclic compound residue such as benzothiazolyl and phenyl, X is hydrogen, alkyl, alkoxy, halogeno, acylamino or the like, Y is hydrogen, halogeno, alkyl, alkoxy and the ... | 12/24/1991 |
| 5055567 | Disperse dyes which are convertible into a thermo-migration fast form The dyes according to the invention consist of a chromophore and a radical which, on heating, forms an isocyanate or isothiocyanate group. The latter reacts with a suitable group in the environment. Dyeings of excellent thermomigration fastness are obtain... | 10/08/1991 |
| 5037967 | N-phenoxyalkylene anilines as coupling components Disperse dyes containing a monoazo coupling component of the formula ##STR1## in which X is hydrogen, C1 -C4 alkyl, C1 -C4 alkoxy, acylamino, halogen or a group of the formula --NH--CO--NHQ in which Q is hy... | 08/06/1991 |
| 4999042 | Phenyl oximino-acetate fungicides Compounds of the fomrula (I): ##STR1## and sterioisomers thereof, wherein X is halogen, alkyl, cycloalkyl, aralkyl, aryloxyalkyl, alkenyl, alkynyl, aryl, amino, arylazo, heteroarylalkyl, heteroaryloxyalkyl, acylamino nitro, nitride, trifluoromet... | 03/12/1991 |
| 4985045 | Mixtures of mon-azo dyestuffs for dyeing and printing hydrophobic synthetic fiber materials A monoazo dyestuff composition comprising at least two different individual compounds of the formula ##STR1## wherein R1 and R2, independently of each other, are linear or branched alkyl having 1 to 4 carbon atoms and R is linea... | 01/15/1991 |
| 4985043 | Mixtures of monoazo dyes containing halogen and cyano substituents Mixtures of monoazo dyes suitable for dyeing and printing hydrophobic fiber materials and mixtures thereof with natural fibers contain one or more dyes of the formula I ##STR1## and one or more dyes of the formula II ##STR2## in which Hal d... | 01/15/1991 |
| 4978362 | Thermoplastic resin composition containing polyalkyleneoxy-substituted azo coloring agents having trifluoromethyl substituents A thermoplastic resin composition is provided which contains a thermoplastic resin and a colorant in the form of a polyalkyleneoxy-trifluoromethyl aniline colorant provided in said thermoplastic resin in a minor amount sufficient to provide coloration to ... | 12/18/1990 |
| 4975410 | Thermally-transferred color filter array element and process for preparing A thermally-transferred color filter array element comprising a transparent support having thereon a thermally-transparent image comprising a repeating mosaic pattern of colorants in a receiving layer, one of the colorants being a mixture of a yellow dye ... | 12/04/1990 |
| 4937325 | Process for dyeing and printing synthetic fibers with mixtures of monoazo dyestuffs A monoazo dyestuff composition comprising at least two different individual compounds of the formula ##STR1## wherein R1 and R2, independently of each other, are linear or branched alkyl having 1 to 4 carbon atoms and R is linea... | 06/26/1990 |
| 4920222 | Preparation of 3,3-diarylacrylic acid amides 3,3-Diarylacrylic acid amides are prepared by the reaction of a benzophenone with an acetamide in the presence of a base characterized in that a sodium alcoholate is used as the base.... | 04/24/1990 |
| 4914190 | Tricyanovinyl-N,N-disubstituted anilines as disperse dyes Disperse dyes of the formula ##STR1## in which X is hydrogen, C1 -C4 alkyl, C1 -C4 alkoxy or halogen, Y is hydrogen, halogen, C1 -C4 alkyl, C1 -C4 alkoxy, C1... | 04/03/1990 |
| 4841009 | Substantially linear monomeric composition and liquid crystal polymeric compositions derived therefrom Described herein are novel substantially linear monomeric compositions which can be polymerized with one or more difunctional monomers to give novel polymeric compositions having liquid crystal properties. This invention is also directed to a process for ... | 06/20/1989 |
| 4837308 | Process for the preparation of azo compounds A universally usable process for preparing azo dyestuffs by oxidative coupling consists in carrying out the oxidation in the presence of redox mediators with a standard potential of 0.2-1.5 volts and, if appropriate, an additional oxidizing agent with a s... | 06/06/1989 |
| 4835261 | Nonionic azo compounds in which the coupling component is a 3,4-dialkoxy aniline derivative Azo compounds of the formula I ##STR1## where D=diazo component R1 and R2 =alkyl or aralkyl X=H, hydrocarbon radical or acyl are useful dyestuffs or dyestuff intermediates.... | 05/30/1989 |
| 4810783 | Process for the preparation of azo dyestuffs having an aniline-type coupler by aminolysis of the appropriate ether group-containing compounds An azo dyestuff of the formula ##STR1## wherein D=a diazo component, R1 and R2 =alkyl or aralkyl, R3 =H, R or OR1 and R4 =a hydrocarbon radical or acyl, which are prepared in a simple manner by aminolysis ... | 03/07/1989 |
| 4804747 | Azo compound having one or two aliphatic or cycloaliphatic groups containing a total of 8 to 40 carbon atoms therein (i) A compound of the formula: ##STR1## wherein R is H, a metal or a group containing a tetravalent N atom; X is S, O, ##STR2## R1 is NO2, CN or COOY; Y is H, C1-4 -alkyl, a metal or a group containing a tetraval... | 02/14/1989 |
| 4800195 | Substituted azo N-phenyl-N'benzoylureas and their use as insecticides and acaricides Novel N-phenyl-N'benzoylureas which are useful as insecticides and acaricides.... | 01/24/1989 |
| 4795746 | Substituted N-phenyl-N'benzoyl ureas and their use as insecticides and acaricides Novel N-phenyl-N'benzoylureas which are useful as insecticides and acaricides.... | 01/03/1989 |
| 4795807 | Preparation of azo dyestuffs by diazotization and coupling in the presence of an ester Azo disperse dyestuffs are prepared by diazotization and coupling in an aqueous phase, the coupling being carried out in the presence of an ester of a lower aliphatic carboxylic acid.... | 01/03/1989 |
| 4776886 | Halftone gravure printing inks containing an azo dyestuff A halftone gravure printing ink (A) about 2 to about 20% by weight of colorant, (B) about 10 to about 40% by weight of resin and (C) about 80 to about 50% by weight of solvent wherein said colorant comprises azo dyestuff of the formula ##STR1## in which A... | 10/11/1988 |
| 4704452 | Azo dyes containing aralkyl-nitrophenyl diazo components Monoazo compounds of the formula ##STR1## in which one of the two substituents R1 or R2 or both substituents are C3 -C8 -alkyl or a group of the formula ##STR2## in which R3 and R4 | 11/03/1987 |
| 4663440 | Bisazo brown reactive dye A brown reactive dye represented by a free acid of the formula, ##STR1## wherein R is a hydrogen atom or a C1 to C4 alkyl group, X is --SO2 CH2 CH2 Cl, --SO2 CH.dbd.CH2, --SO | 05/05/1987 |
| 4544373 | 2,4-Dinitro-2'-acylamino-4'-dialkylamino-5'-alkoxy-alkyleneoxy-1, 1'-azobezene dyes There are described new azo dyes of the formula ##STR1## wherein R1 is an optionally substituted alkyl group, R2 is a substituted aliphatic radical, unsubstituted C3 -C10 -alkyl or cycloalkyl, and R3 | 10/01/1985 |
| 4536569 | 2-Cyano-4-nitro-6-chlorophenylazo 3-acetyl-or propionylamino-N,N-di-n-pentyl or hexylanilines A compound of the formula, ##STR1## wherein R1 is methyl or ethyl, R2 and R3 are each C5 -- or C6 --alkyl, and Z is chlorine for use as a blue disperse dye of hydrophobic fibers, either alone or ... | 08/20/1985 |
| 4524168 | Process for the mass coloration of polymers Compounds of the formula ##STR1## wherein the symbols D is the radical of a carbocyclic or heterocyclic diazo component, X is hydrogen, halogen, methyl or methoxy, each of A1 and A2 independently of the other is unsubstituted ph... | 06/18/1985 |
| 4523926 | Mixtures of disperse dyestuffs Dyestuff mixtures of (a) an anthraquinone dyestuff of the formula ##STR1## (b) a preferably blue azo dyestuff of the formula ##STR2## wherein R1 =H or halogen, R2 =alkyl, R3 =H or alkoxy, and R4 and R... | 06/18/1985 |
