Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 534/769
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Hetero ring containing > Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos > Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to the azo group > Pyrazole (including hydrogenated)
Description: Compounds which contain a hetero ring having the following structure, which may contain double bonds between ring members:

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8440589 Azomethine compound and thermal transfer sheet using coloring matter of the azomethine compound May. 14, 2013
8399664 Coloring matter, ink, ink for ink jet, ink jet recording method, color toner, and color filter Mar. 19, 2013
8158317 Azo dye compound, coloring composition, ink sheet for thermal transfer recording, thermal transfer recording method, color toner, ink for inkjet, and color filter Apr. 17, 2012
8101011 Coloring matter, ink, ink for ink jet, ink jet recording method, color toner, and color filter Jan. 24, 2012
7625621 Amino antipyrine based azo ligands and their metal complexes for use as optical recording media Dec. 1, 2009
7452873 Inhibitors of GSK-3 and uses thereof Nov. 18, 2008
7141657 Azo compound, tautomer thereof, and azo dye Nov. 28, 2006
7125966 Azo compounds Oct. 24, 2006
7105503 Pyrazole compounds Sep. 12, 2006
6916798 Inhibitors of GSK-3 and uses thereof Jul. 12, 2005
6855195 Ink composition and ink jet recording method Feb. 15, 2005
6552008 Thrombopoietin mimetics Apr. 22, 2003
5972544 Printing process Oct. 26, 1999
5789560 Azo dyes with a coupling component of the aminothiazole series Aug. 4, 1998
5723586 Disperse dyes Mar. 3, 1998
5633355 Monoazo disperse dyes from selected (aromatic amino)propionates or selected (aromatic amino)butyrates May. 27, 1997
5466790 Azo dyes with an acetalized diazo component of the thiophene or thiazole series Nov. 14, 1995
5466790 Azo dyes with an acetalized diazo component of the thiophene or thiazole series Nov. 14, 1995
5324826 Azo disperse dyes having 1,2,4-triazol-5-yl diazo component radicals having electron-withdrawing substituents in the 3-positions Jun. 28, 1994
5283326 Dyes containing thiophene radicals Feb. 1, 1994
5175265 Azo dyes with a diazo component of the 4-amino-7-nitrobenzisothiazole series and a coupling compound from the aminopyrazole or hydroxypyridone series Dec. 29, 1992
5156971 Rapid identification of environmental bacillus Oct. 20, 1992
5003050 Diazoluminomelanin and a method for preparing same Mar. 26, 1991
4994564 Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series Feb. 19, 1991
4962040 2-hydrazono-4,6-dinitrobenzthiazolones useful to form dyestuffs and as color formers for detecting peroxide Oct. 9, 1990
4711954 3-thienylazo dyes with a gamma-acid coupler Dec. 8, 1987
4685934 Mono- and di-sulfo group containing compound having a substituted pyrazolyl diazo component radical and their use Aug. 11, 1987
4668775 .alpha.-methine substituted thiophene monoazo dye May. 26, 1987
4619992 3-(.beta.-aminoethyl)-4-cyano-isothiazolylazo dyes Oct. 28, 1986
4579938 Water soluble thiophen-2-ylazopyrazole compounds as colorants for polyamides and wool Apr. 1, 1986
4568738 Thiophen-2-ylazopyrazole compounds as colorants for textile fibers Feb. 4, 1986
4563193 Asymmetric 1:2 chrome complex dyes containing an azo and an azomethine compound Jan. 7, 1986
4537847 Disazo photoreceptors for electrophotography Aug. 27, 1985
4505857 Azo compounds having a 5-substituted-4-chlorothiazolyl-2-diazo component radical Mar. 19, 1985
4500715 2,5-Diamino-1,3,4-thiadiazole derivatives Feb. 19, 1985
4496480 Isothiazolazo dyes having coupling components which are free from unsaturated aliphatic radicals Jan. 29, 1985
4449985 Dye compositions containing partially hydrolyzed polyvinyl ester May. 22, 1984
4444684 Azo dyes containing a diazotized 5-amino isothiazol moiety having thereon a sulfonic acid or salt group Apr. 24, 1984
4327019 Acid azo dyes from a 3-amino-benzisothiazole-[2,1]-5-sulfonic acid diazo component Apr. 27, 1982
4315865 Process for the production of sulfuric acid semiester compounds by sulfation in a machine employing kneading action Feb. 16, 1982
4302390 Azo dyes with sulfate groups on the diazotized 2-amino thiazol and 5-amino isothiazol moiety and with aniline, tetrahydroquinoline and benzomorpholine couplers Nov. 24, 1981
4301070 Azo dyes from a 5-aminopyrazole bearing 1 to 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl) carbamoyl groups on its ring Nov. 17, 1981
4301068 Azo dyes from a 2-aminothiophene having 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydrocyalkyl) carbamoyl groups on its ring Nov. 17, 1981
4250090 2-Amino-5-arylazoarylazothiazole compounds Feb. 10, 1981
4191686 Process for preparing fiber-reactive phthalocyanine azo dyes Mar. 4, 1980
4185013 Anionic azo dyes having a 3-dibenzofuranyl diazo component radical optionally having a 2- or 8-sulfo group Jan. 22, 1980
4151162 Diazomerocyanines and mesomeric forms thereof Apr. 24, 1979
4150943 Uniformly dyed water-swellable cellulosic fibers Apr. 24, 1979
4149005 Process for preparing 1-phenyl-3-aminopyrazoles Apr. 10, 1979
4111947 Novel metal complexes of azomethines and process for their manufacture Sep. 5, 1978

1 2

  Recently Added Patents
Image processing apparatus and image processing method
Unified feedback frame for supporting a plurality of feedback modes and a multiple-input multiple-output (MIMO) communication system using the unified feedback frame
Method and apparatus for diagnosing faults in a hybrid internet protocol network
Method for forming ventilation holes in an electrode plate
Coupling device having piercing member
Image sensing apparatus and method of controlling the image sensing apparatus
Modified and stabilized GDF propeptides and uses thereof
  Randomly Featured Patents
Block polymers, compositions and methods of use for foams, laundry detergents, shower rinses and coagulants
Method of making a needled scouring pad
Spacecraft methods and systems for autonomous correction of star tracker charge-transfer-efficiency errors
Device and method for repairing a knitted article
Method for forming a self-aligned lateral DMOS transistor
Video coding, decoding and hypothetical reference decoder
Video display apparatus
Condiment container for attaching to other objects
Product for preventing yarn tail breakage during yarn winding
Attenuator for single-mode optical fibers and process for its fabrication