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Class Information
Number: 534/DIG.1
Name: Organic compounds -- part of the class 532-570 series > Mixtures of azo compounds
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE38531 |
Tetrakisazo dyes, their production and use |
Jun. 8, 2004 |
| 6043349 |
Tetrakisazo dyes, their production and use |
Mar. 28, 2000 |
| 6022957 |
Azothiophenes and mixtures thereof |
Feb. 8, 2000 |
| 5942604 |
Azo dye mixtures |
Aug. 24, 1999 |
| 5827332 |
Azo dyes and a method of making a hydrocarbon using an azo dye |
Oct. 27, 1998 |
| 5762653 |
Dye mixtures, processes for their preparation and their use |
Jun. 9, 1998 |
| 5744588 |
Blue type disperse dye mixture and process for its preparation |
Apr. 28, 1998 |
| 5734028 |
Blue type disperse dye mixture |
Mar. 31, 1998 |
| 5386015 |
Monoazo and disazo compounds having 5-cyano-2,4-and 4,6-dichloropyrimidyl groups |
Jan. 31, 1995 |
| 5330542 |
Dye-incorporated composition |
Jul. 19, 1994 |
| 5304222 |
Monoazo benzothiazole disperse dye mixture |
Apr. 19, 1994 |
| 5292872 |
Monoazo dispersed dyes, mixtures containing them, and the preparation and the use thereof |
Mar. 8, 1994 |
| 5290921 |
Intermediates and colorants having primary hydroxyl enriched poly (oxyalkylene) moieties and their preparation |
Mar. 1, 1994 |
| 5286287 |
Monoazo lake pigment suitable for use in printing ink and process for the production thereof |
Feb. 15, 1994 |
| 5278293 |
Azo dyestuffs and intermediate products for their preparation |
Jan. 11, 1994 |
| 5256194 |
Color ink jet recording method |
Oct. 26, 1993 |
| 5256772 |
Monoazo lake pigment and uses thereof |
Oct. 26, 1993 |
| 5241058 |
Azo dye salts useful as masking couplers and preparation thereof |
Aug. 31, 1993 |
| 5227476 |
2-(3,6,8-trisulfonaphth-2-ylazo)-5-[2-chloro-4-[2-(5-chlo ro-2,4-difluoropyrimid-6-ylamino)-2-methyl-ethyl]amino-1,3,5-triazin-6-yl amino]phenyl urea salts thereof |
Jul. 13, 1993 |
| 5216139 |
Thiopheneazo dye based on a coupling component of the thiazole series |
Jun. 1, 1993 |
| 5171848 |
Salts of black trisazo dyes with alkyl amines having good solubility in organic liquids |
Dec. 15, 1992 |
| 5160495 |
2-cyano-4,6-dimitro-phenyl monoazo dyestuffs |
Nov. 3, 1992 |
| 5160348 |
Mixtures of blue azo disperse dyestuffs |
Nov. 3, 1992 |
| 5151129 |
Process for the production of pigments in the presence of an azo dyestuff |
Sep. 29, 1992 |
| 5112958 |
Fibre-reactive formazan dyes containing .beta.-chloroethylsulfonyl or vinylsulfonyl bonded via phenylaminotriazinylamino |
May. 12, 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 |
Mar. 10, 1992 |
| 5076811 |
Fibre-reactive formazane dyes containing .beta.-sulfatoethylsulfonyl bonded via phenylaminotriazinylamino bridge members |
Dec. 31, 1991 |
| 5068319 |
Biz-diazotized diaryl diamine coupled dyes having improved solubility in organic solvent |
Nov. 26, 1991 |
| 5066791 |
Pyridoneazo dyes with an M-aminobenzoic ester as the diazo component |
Nov. 19, 1991 |
| 5055566 |
Amine salts of disazo black dyes having good solubility in polar organic solvents |
Oct. 8, 1991 |
| 5053495 |
Anionic dye having high water-fastness |
Oct. 1, 1991 |
| 5030247 |
Mixtures of disazo compounds containing two phenyl diazo component radicals having one or two (C.sub.1-4 alkoxy)carbonyl groups and a bis-acetoacetamido-arylene coupling radical |
Jul. 9, 1991 |
| 5026831 |
Water-insoluble disazo colorants having hetero-bicyclic methylene-active compounds as coupling component |
Jun. 25, 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 |
Apr. 9, 1991 |
| 5001229 |
Water soluble basic dyestuffs |
Mar. 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 radica |
Mar. 19, 1991 |
| 4994562 |
Fiber-reactive formazan dyes containing .alpha.,.beta.-dihalopropionylamino, .alpha.-haloacryloylamino or haloacetilamine |
Feb. 19, 1991 |
| 4994111 |
Ink-jet ink containing lithium salt of copper complex monoazo dye |
Feb. 19, 1991 |
| 4990598 |
Fibre-reaction 1:1 chromium complex azo or azomethine dyes having a bidentate chelating group and a monofunctional neutral ligand |
Feb. 5, 1991 |
| 4985043 |
Mixtures of monoazo dyes containing halogen and cyano substituents |
Jan. 15, 1991 |
| 4985045 |
Mixtures of mon-azo dyestuffs for dyeing and printing hydrophobic synthetic fiber materials |
Jan. 15, 1991 |
| 4981489 |
Disazo compounds and formulations containing same |
Jan. 1, 1991 |
| 4980458 |
Mixed sodium, ammonium and/or calcium salt crystals of laked monoazo disulfonated pyrazolone pigments |
Dec. 25, 1990 |
| 4978747 |
Colorants obtained by reacting a NH.sub.2 -containing dyestuff with a diisocyanate followed by reaction of this adduct with a diamine |
Dec. 18, 1990 |
| 4968352 |
Diaryl pigments with improved heat stability and transparency containing coupled mixed bis-diazotized diamines and acid-substituted aromatic amines |
Nov. 6, 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 |
Sep. 4, 1990 |
| 4940492 |
Colorant mixtures containing isoquinoline derivatives, use thereof in printing inks, and novel isoquinoline derivatives |
Jul. 10, 1990 |
| 4937325 |
Process for dyeing and printing synthetic fibers with mixtures of monoazo dyestuffs |
Jun. 26, 1990 |
| 4935502 |
Diazo compounds, a process for their preparation and their use as colorants |
Jun. 19, 1990 |
| 4931550 |
Lithium salt of copper complex monoazo dye |
Jun. 5, 1990 |
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