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Class Information
Number: 534/749
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Azo bonded directly to an acylic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom > Sulfonyl bonded directly to nitrogen
Description: Compounds in which sulfonyl is bonded directly to nitrogen, i.e., --N .
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7297200 |
Water-soluble yellow azo dyes |
Nov. 20, 2007 |
| 5051131 |
Azo dispersing agents and azo pigment compositions |
Sep. 24, 1991 |
| 4918183 |
Monoazo dyes, process for their preparation, and the use thereof |
Apr. 17, 1990 |
| 4678497 |
Triazine-substituted herbicidal azobenzenesulfonamides |
Jul. 7, 1987 |
| 4602084 |
Monoazo dyes containing a 4-substituted-2-azo-1,1'-diphenylsulfone component |
Jul. 22, 1986 |
| 4318849 |
Novel metallized dyes, their manufacture and use |
Mar. 9, 1982 |
| 4301071 |
Azo dyes from aniline having 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring |
Nov. 17, 1981 |
| 4215042 |
Copper, and nickel complexes of azo dyestuffs |
Jul. 29, 1980 |
| 4180502 |
Manufacture of concentrated solutions, having a low salt content, of cobalt and chromium 1:2 complex dyes which are free from sulfonic acid groups |
Dec. 25, 1979 |
| 4145339 |
Water-soluble 1:2-cobalt complex dyestuffs of an azomethine and of an azo compound |
Mar. 20, 1979 |
| 4125368 |
Metallized monoazo dyes |
Nov. 14, 1978 |
| 4118381 |
1:2 Cobalt complex phenol-acetoacetanilide benzene disazo dyestuffs |
Oct. 3, 1978 |
| 4113719 |
1:2-Cobalt-complex azo dyestuffs having an acetoacetylamino diphenylamino coupler |
Sep. 12, 1978 |
| 4058515 |
Metallized phenyl-azo-naphthol compounds |
Nov. 15, 1977 |
| 4051116 |
Assymmetrical 1:2 cobalt complexes of metallizable monoazo compounds having one sulfo group per complex |
Sep. 27, 1977 |
| 4000965 |
Metal complex dyestuffs |
Jan. 4, 1977 |
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