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Class Information
Number: 534/DIG.2
Name: Organic compounds -- part of the class 532-570 series > Azo compounds containing chains of eight or more carbon atoms not provided for elsewhere in this class
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7301012 |
Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter |
Nov. 27, 2007 |
| 6713614 |
Dimeric azo pyridone colorants |
Mar. 30, 2004 |
| 6696552 |
Process for preparing substituted pyridone compounds |
Feb. 24, 2004 |
| 6646111 |
Dimeric azo pyridone colorants |
Nov. 11, 2003 |
| 6590082 |
Azo pyridone colorants |
Jul. 8, 2003 |
| 6576748 |
Method for making dimeric azo pyridone colorants |
Jun. 10, 2003 |
| 6576747 |
Processes for preparing dianthranilate compounds and diazopyridone colorants |
Jun. 10, 2003 |
| 6339145 |
Use of amino azoic dyes as markers of oil distillation products |
Jan. 15, 2002 |
| 5834600 |
Hydrophobic cationic dyes and thermal transfer ink ribbons using the same |
Nov. 10, 1998 |
| 5834604 |
Photographic element containing a coupler capable of releasing a photograpically useful group through a pyrazole group |
Nov. 10, 1998 |
| 5176750 |
Azo pigment compositions and process for their preparation |
Jan. 5, 1993 |
| 5169404 |
Monoazo dyestuffs for the sublimation transfer process |
Dec. 8, 1992 |
| 5077396 |
Azo compounds containing two 6-hydroxypyrid-2-one coupling component radicals the nitrogen atoms of which are linked by a biscationic radical |
Dec. 31, 1991 |
| 5068318 |
Diamenodinitroazo dyes |
Nov. 26, 1991 |
| 5051131 |
Azo dispersing agents and azo pigment compositions |
Sep. 24, 1991 |
| 5026831 |
Water-insoluble disazo colorants having hetero-bicyclic methylene-active compounds as coupling component |
Jun. 25, 1991 |
| 4994563 |
Monoazo dyes containing a 3-sulfoalkanoylamino or 3-sulfoalkylsulfonylaminoaniline coupling component |
Feb. 19, 1991 |
| 4981612 |
Optical element having non-linear optical properties |
Jan. 1, 1991 |
| 4978362 |
Thermoplastic resin composition containing polyalkyleneoxy-substituted azo coloring agents having trifluoromethyl substituents |
Dec. 18, 1990 |
| 4965345 |
Solvent azo dyes having carboxylic acid functions |
Oct. 23, 1990 |
| 4965346 |
Heterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling components |
Oct. 23, 1990 |
| 4960873 |
3-pyridylisothiazoleazo compounds useful as disperse dyes |
Oct. 2, 1990 |
| 4960874 |
Isothiazolylazo dyes having aminophenyl and aminonaphthyl components |
Oct. 2, 1990 |
| 4941997 |
Amphiphilic azo dyes and molecular aggregates thereof |
Jul. 17, 1990 |
| 4929720 |
Isothiazoleazo hydroxypyridone dyes |
May. 29, 1990 |
| 4889535 |
4-Substituted benzothiazol-2-ylazo-N-c8-14-alkykl-N-(2'-cyanoethyl)anilines optionally having a 3-C1-4-alkyl group |
Dec. 26, 1989 |
| 4855413 |
Heterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling components |
Aug. 8, 1989 |
| 4855412 |
Diaminopyridine azo dyes having acyloxy radicals substituted on the diaminopyridine |
Aug. 8, 1989 |
| 4835261 |
Nonionic azo compounds in which the coupling component is a 3,4-dialkoxy aniline derivative |
May. 30, 1989 |
| 4810783 |
Process for the preparation of azo dyestuffs having an aniline-type coupler by aminolysis of the appropriate ether group-containing compounds |
Mar. 7, 1989 |
| 4804747 |
Azo compound having one or two aliphatic or cycloaliphatic groups containing a total of 8 to 40 carbon atoms therein |
Feb. 14, 1989 |
| 4799960 |
Ink comprising water soluble triazine dye free from cellulose reactive groups |
Jan. 24, 1989 |
| 4776886 |
Halftone gravure printing inks containing an azo dyestuff |
Oct. 11, 1988 |
| 4775223 |
Lactic acid derivative, liquid crystal composition containing same and liquid crystal device |
Oct. 4, 1988 |
| 4771129 |
Monoazo dyestuffs containing substituted amino triazine |
Sep. 13, 1988 |
| 4764599 |
Disazo compounds containing an N,N-bis(2-amino-benzoyl)piperazine derivative as the diazo component |
Aug. 16, 1988 |
| 4751288 |
Azo dyes containing 2-amino-3-cyano-5-formylthiophene derivatives as diazo components and substituted aniline compounds as coupling components |
Jun. 14, 1988 |
| 4739042 |
Halftone gravure printing inks containing pyridone azo dyestuffs |
Apr. 19, 1988 |
| 4721779 |
Trisazo dyes containing naphthalene or quinoline units and their use in liquid crystal materials |
Jan. 26, 1988 |
| 4704452 |
Azo dyes containing aralkyl-nitrophenyl diazo components |
Nov. 3, 1987 |
| 4687482 |
Vascular prosthesis |
Aug. 18, 1987 |
| 4681699 |
Bisazo dyes and their use in liquid crystalline materials |
Jul. 21, 1987 |
| 4668775 |
.alpha.-methine substituted thiophene monoazo dye |
May. 26, 1987 |
| 4668774 |
2-ethylhexylamine salts of anionic monoazo dyes |
May. 26, 1987 |
| 4667019 |
Azo dyes containing a triazolyl group for use in liquid crystalline materials |
May. 19, 1987 |
| 4667020 |
Aromatic disazo dyes and liquid-crystalline materials containing these dyes |
May. 19, 1987 |
| 4652633 |
Sulfo-containing halophenylazodiamino, cyano pyridine compounds |
Mar. 24, 1987 |
| 4650860 |
Benzisothiazolazo, diaminopyridine dyes |
Mar. 17, 1987 |
| 4642339 |
Thiazoleazophenylaminoethyl carbonyloxy-C.sub.8 -C.sub.10 -alkyl compounds useful as dyes for polyester fibers |
Feb. 10, 1987 |
| 4605697 |
Substituted sulfonamido compounds, photosensitive elements, film units, and processes for retaining a photographic image with same |
Aug. 12, 1986 |
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