C09B 29 - Monoazo dyes prepared by diazotising and coupling

Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940)
06/1978
06/27/1978	US4097475 For polyesters and blends with cellulose
06/27/1978	US4097231 Metal-containing polypropylene dyed with monoazo 1-aryl-3-alkyl-5-pyrazolones
06/20/1978	US4096139 Azocoumarinic-type dyes for the disperse dyeing of textile fabrics
05/1978
05/30/1978	US4092329 From a cyanoalkyl-imine and a nitrile with sulfur
05/30/1978	US4092308 4-Sulphomethyl substituted hydroxypyridone azo dyestuffs
05/30/1978	US4092307 Copper, nickel, cobalt or chromium
05/23/1978	USRE29640 Certain substituted 2,6-diamino-4-methyl-nicotinitriles the corresponding nicotinamides and derivatives thereof
05/16/1978	US4089849 Monoazo dyes having a benzthiazolyl substituted phenol or naphthol coupling component
05/16/1978	US4089078 Arylazopyrazolone dyes for polyester
05/09/1978	US4088641 4-Methyl-5-(benzimidazolonylazo)-6-hydroxypyridone-2 pigment
05/02/1978	US4087420 Azo dyestuffs containing an α-phenylamino isobutyric acid alkyl ester coupling component
05/02/1978	US4087245 Alkali metal or ammonium salt of dye reacted with hydroxy-, polyhydroxy- or polyalkoxy-alkylamine and an acid or salt of the amine
04/1978
04/18/1978	US4085099 Azo dyes
04/18/1978	US4085098 Azo dyes containing a heterocyclic ring having a quaternized nitrogen atom and at least one optionally substituted phenoxyalkyl or naphthyloxyalkyl substituent
04/11/1978	US4083843 Yellow dye for nylon, polyacrylonitrile, wool and silk
04/11/1978	US4083686 Uniformly dyed water-swellable cellulosic fibers
04/11/1978	US4083685 Process for dyeing synthetic fibre materials from an organic water-immiscible solvent
04/11/1978	US4083684 Azo dyes, washfastness, photostability, solvent resistance
04/04/1978	US4082501 Mixtures of oil-soluble phenyl- and naphthyl-azo-phenyl dyestuffs
03/1978
03/28/1978	US4081438 Anionic azo dyes having a 3-dibenzofuranyl diazo component radical optionally having A2-or 8-sulfo group
03/28/1978	US4081435 Disperse azo dyestuffs derived from a 3-amino-7-azabenz-2,1-isothiazole diazo component
03/21/1978	USRE29585 Heavy metal complexes of azo dyestuffs containing a 2-amino-3-hydroxypyridine as coupling component
03/21/1978	US4080322 1-Hydroxy-2-arylazo-8-hydrocarbyloxycarbonylaminonaphthalenedisulfonic acids
03/21/1978	US4080321 Monoazo pigments from diazotized acylamino-anilines and acetoacetylamino benzimidazolones
03/14/1978	US4079130 Antidepressant phenylazoimidazoles
03/14/1978	US4079050 Disperse monoazo dyestuffs containing a thiophene residue
03/14/1978	US4078890 Process for the dyeing and printing of polyester material
03/07/1978	US4077765 Monoazo-dyes particularly suited to the levelled dyeing of synthetic polyamide fibers
02/1978
02/28/1978	US4076706 Blue shades on polyesters
02/28/1978	US4076498 Clothing, good fastness properties
02/21/1978	US4075200 Monoazo dyes
02/21/1978	US4074965 Stable monoazo dyestuff
02/14/1978	US4073781 Method of production of azo dyes from a quinone containing compound and a diazonium compound
01/1978
01/31/1978	US4071312 Fluorescent paper dyes
01/24/1978	US4070352 Benzoisothiazoleazobenzmorpholine of tetrahydroquinone compounds
01/24/1978	US4070191 Pyrazolone dyes
01/10/1978	US4068085 Yellow and red on polyesters and acrylics
01/10/1978	US4067973 2-((2-chlorophenyl)azo)imidazoles and their use as an anthelmintic
01/10/1978	US4067864 Fiber-reactive 2-hydroxy-pyrid-6-on-(3)-yl azo dyestuffs
01/03/1978	US4066637 Basic diaminopyridine-(3)-azo dyestuffs
12/1977
12/27/1977	US4065447 Azo compounds having a 3-arylthio- or aliphaticthio-4-cyano- or alkoxycarbonyl-pyrazolyl-5 diazo component radical
12/27/1977	US4065254 Diazo dyes, leather, cotton, wool
12/20/1977	US4064136 From a nitrile, an alcohol and ortho-substituted aromatic amine
12/13/1977	US4062645 Acid dyes useful for dyeing streaked nylon
12/13/1977	US4062642 Process for dyeing and printing synthetic fiber materials
12/06/1977	US4061464 Basic nitro dye, nonionic surfactant
11/1977
11/29/1977	US4060544 N-2-[N-(keto-tert-alkyl carbamyl)alkyl]phenylamines
11/29/1977	US4060521 Polyamide
11/22/1977	US4059626 Chemical intermediates
11/22/1977	US4059402 Transfer printing process
11/15/1977	US4058518 Water-insoluble monoazo 3-cyano-4-methyl-6-hydroxy-2-pyridine dyestuffs
11/08/1977	US4057539 Azo compounds containing a naphthalic imide coupler
11/08/1977	US4057388 Dry heat process for dyeing and printing organic material which can be dyed with cationic dyestuffs
11/01/1977	US4056553 Intermediates for monoazo dyes
11/01/1977	US4056523 Sulfonamido substituted
11/01/1977	US4056522 Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic acid-4'-phenoxy anilides and 2-hydroxy-3-naphthoic acid-4'-benzoylamino anilides
11/01/1977	US4056367 Dyeing petroleum, inks, fats, waxes, plastics
10/1977
10/25/1977	US4055567 Acetalization, reduction, acid hydrolysis
10/25/1977	US4055557 Monoazo dyes
10/25/1977	US4055556 Pigments
10/25/1977	US4055428 Colo photography, diffusion transfer silver halide emulsions
10/18/1977	US4054560 1-(4-Acyloxyalkylaminonaphthylazo)-4-nitrobenzene disperse dyes
10/11/1977	US4053465 Cyanophenyl-azo-aminophenyl dyestuffs
10/11/1977	US4053463 Heterocyclic azo pigments
10/04/1977	US4052444 Diazo couplers for monoazo dyes
10/04/1977	US4052379 Dyes from trifluoromethyl-2-aminobenzothiazole diazo components
10/04/1977	US4052378 Red pigment obtained by coupling diazotized 4-aminonaphthalimide with 2,6-dihydroxy-3-cyano-4-methylpyridine
10/04/1977	US4052377 Pigments
10/04/1977	US4052371 Azo pigment or dye having a naphthyl-quinazalone coupling component
09/1977
09/27/1977	US4051120 Monoazo compounds having a 5-nitrothiazolyl-2 diazo component radical and a 1,4-phenylene coupling component radical having an n-(alkyl or allyl)-n-(alkoxyl- or alkoxyethoxy-ethoxycarbonyloxyalkyl)amino group in its para position
09/27/1977	US4051119 Azomethine dyes derived from an o-hydroxy aromatic aldehyde and a 2-aminopyridine
09/20/1977	US4049643 Dyes for polyesters
09/20/1977	US4049642 Phenyl-azo-naphthyl dyes having a 2-acyloxy, alkoxy or hydroxy-1-arylethylamino group in the 4-position of the naphthalene ring
09/20/1977	US4049394 Measuring and computing means
09/20/1977	US4049375 Process for dyeing synthetic fibers formed from aromatic polyesters and new monoazo dyestuffs useful for such dyeing
09/13/1977	US4048154 Polyamide fibers
09/13/1977	US4048151 Azo dyes, nitrogen heterocycles, polymers
09/06/1977	US4046756 Hydrophobic textiles
09/06/1977	US4046752 Process for preparing an azo compound from a 2-aminothiazole diazo component
09/06/1977	US4046573 Color photographic materials
08/1977
08/30/1977	US4045425 Crystalline azopyrazolone acid dye
08/30/1977	US4045423 Monoazo dyes
08/23/1977	US4043752 Di- or tri-alkanolammonium substituted sulfonate, n-butanol, ethylene glycol
08/23/1977	US4043751 Process for coloring fibers with water-insoluble polyfluoro azo dyestuffs
08/23/1977	US4043749 Cationic yarns, monoazo dyes, aminobenzene sulfonic acid coupled to n-ethyl-n-phenylbenzylamine
08/16/1977	US4042578 Azo dyes having 2,6-diaminopyridine derivatives as coupling components
08/16/1977	US4042577 Azo dyes having one or two triazinyl-or pyrimidyl-acetic acid ester or amide coupling component radicals
08/09/1977	US4041025 P-Aminoazo disperse dyes
08/09/1977	US4041024 Sulfo containing monoazo dyestuffs containing a benzthiazole diazo moiety and an N-benzylamino anilino coupling component
08/02/1977	US4039524 Keto-amido containing phenylazo benzothiazole dyestuffs
08/02/1977	US4039522 Phthalimidyl-azo-m-acylamido-n-substituted aniline compounds and polyester fibers dyed therewith
07/1977
07/26/1977	US4038268 Diazotization, coupling
07/12/1977	US4035401 Intermediates for photographic dyes
07/12/1977	US4035350 Process for the preparation of water-soluble azo dyestuffs by reacting an aromatic amine and a coupling component with alkali metal nitrite or alkyl nitrite in the absence of acid
07/12/1977	US4035143 Water-insoluble azo dyestuffs
07/05/1977	US4033943 Fiber reactive water soluble 2,4,6-triamino, 3-cyano pyridine-(5) azo dyestuffs
06/1977
06/28/1977	US4032571 Manufacture of 2-amino-3,5-dinitrobenzamide
06/28/1977	US4032532 1-aminoalkylene-3-cyano-4-methyl-6-hydroxy-1,2-dihydropyrid-2-ones
06/28/1977	US4032470 Electro-optic device
06/21/1977	US4031073 Monoazo pigments containing barbituric acid or thio- or imino-derivatives thereof

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