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Class Information
Number: 534/743
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 > At least three azo groups attached indirectly to each other by nonionic bonding
Description: Compounds in which at least three azo groups are attached indirectly to each other by nonionic bonding.
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 |
| 5994486 |
Fluorine-containing macroazo compound |
Nov. 30, 1999 |
| 5051131 |
Azo dispersing agents and azo pigment compositions |
Sep. 24, 1991 |
| 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 |
| 4685934 |
Mono- and di-sulfo group containing compound having a substituted pyrazolyl diazo component radical and their use |
Aug. 11, 1987 |
| 4600674 |
Trisazo electrophotographic photoconductive material |
Jul. 15, 1986 |
| 4562247 |
Disazo compounds containing a 6-acetoacetamide-1-naphthol-3-sulfonic derivative as coupling component |
Dec. 31, 1985 |
| 4535044 |
Photosensitive material for electrophotography containing photosensitive layer incorporating pentakisazo pigment |
Aug. 13, 1985 |
| 4529678 |
Electrophotographic photoconductor comprising a dithiol derivative |
Jul. 16, 1985 |
| 4468348 |
Trisazo dyes having a 4-(1-amino-3,6-disulfo-8-hydroxy-7-phenylazonaphthyl-2-azo)phenylazo group linked to a coupling component radical |
Aug. 28, 1984 |
| 4447513 |
Photosensitive material for electrophotography |
May. 8, 1984 |
| 4426432 |
Electrophotosensitive receptor with trisazo compound |
Jan. 17, 1984 |
| 4279981 |
Electrophotographic elements containing trisazo compounds |
Jul. 21, 1981 |
| 4169831 |
Water-soluble tetrakisazo dyestuffs derived from 4,4'-diaminoazobenzene |
Oct. 2, 1979 |
| 4097476 |
Trisazo dyes having a 2,7-(1-amino-3,6-or 4,6-disulfo-8-hydroxynaphthylene) radical |
Jun. 27, 1978 |
| 4081437 |
Water soluble polyazo dyestuffs |
Mar. 28, 1978 |
| 4003885 |
Tetrakisazo compounds having a 1-hydroxy-2-(4'-(2"-sulfoanilino)phenylazo)-3,6-disulfo-7-(optionally 2'-substituted phenylazo)-8-aminonaphthalene middle component |
Jan. 18, 1977 |
| 3988312 |
Tetrakisazo pigments prepared by reacting an aminoazobenzene and an aryl-bis-acetoacetylamino derivative |
Oct. 26, 1976 |
| 3971741 |
Water-insoluble polyazo dyestuff comprising two or three identical azo dyestuffs joined to a central nucleus by carboxyl bridges |
Jul. 27, 1976 |
| 3969339 |
Water-soluble pentakis-azo dyestuffs derived from 4,4'-diaminoazobenzene |
Jul. 13, 1976 |
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