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Class Information
Number: 534/787
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 > The hetero ring is one of the cyclos in a polycyclo ring system
Description: Compounds wherein the hetero ring is one of the cyclos of a polycyclo ring system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4085098 |
Azo dyes containing a heterocyclic ring having a quaternized nitrogen atom and at least one optionally substituted phenoxyalkyl or naphthyloxyalkyl substituent |
Apr. 18, 1978 |
| 4073781 |
Method of production of azo dyes from a quinone containing compound and a diazonium compound |
Feb. 14, 1978 |
| 4055556 |
Monoazo and disazo compounds having optionally further substituted 2-acyl-, carboxy- or cyano-benzothienyl diazo component radicals |
Oct. 25, 1977 |
| 4052374 |
Unsymmetrical 1:2-chromium complexes containing an azo compound and an azomethine compound |
Oct. 4, 1977 |
| 4045430 |
Conversion of o-halogenoazo compound to o-cyanoazo compound by reaction with a zinc cyanide |
Aug. 30, 1977 |
| 4041025 |
P-Aminoazo disperse dyes |
Aug. 9, 1977 |
| 4031111 |
Macrocyclic hetero imine complexing agents |
Jun. 21, 1977 |
| 4015937 |
Process for detecting the completion of the sterilizing treatment using a color changing indicator composition |
Apr. 5, 1977 |
| 4008212 |
Monoazo dye mixtures derived from 7-amino-4-nitrobenzotriazole and bis-hydroxyalkylamino acylanilides reacted with acid halides and amides |
Feb. 15, 1977 |
| 4008211 |
Betainic azo dyestuffs containing cobalt in complex union with a colorless, tridentate ligand |
Feb. 15, 1977 |
| 4008213 |
Azo dyestuffs containing a cinnamonitrile residue |
Feb. 15, 1977 |
| 4007165 |
Unsymmetrical tertiary-aliphatic azoalkanes |
Feb. 8, 1977 |
| 4000965 |
Metal complex dyestuffs |
Jan. 4, 1977 |
| 3985499 |
Diazamerocyanines for dyeing keratinous fibers |
Oct. 12, 1976 |
| 3985726 |
Benzisothiazole and indazole azo compounds |
Oct. 12, 1976 |
| 3980632 |
Basic azo dyes having a quaternized s-triazolo-[2,3-a]-pyrimidine diazo component radical |
Sep. 14, 1976 |
| 3979386 |
Iminoisoindoline pigments and processes for the preparation thereof |
Sep. 7, 1976 |
| 3978074 |
Method of making hydroxyarylbenzotriazoles and their N-oxides |
Aug. 31, 1976 |
| 3956264 |
Basic azo dyestuffs having indolyl-methyleneamino substituent in the diazo component |
May. 11, 1976 |
| 3951592 |
Polyester fabric materials dyed with monoazo dyes made from 4-amino-7-nitrobenzotriazole |
Apr. 20, 1976 |
| 3945991 |
Heterocyclic azo compounds containing a quaternated hydrazide group |
Mar. 23, 1976 |
| 3935182 |
Water-soluble quaternary ammonium heterocyclic azo dyestuffs |
Jan. 27, 1976 |
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