Disazo compounds containing a 6-acetoacetamide-1-naphthol-3-sulfonic derivative as coupling component
US4562247A · kind A · utility
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6Claims
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Key dates
| Filing date | May 29, 1984 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | May 29, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B44/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There are described azo compounds of the formula ##STR1## wherein D.sub.1 and D.sub.2 are each the radical of a diazo component, R is C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 alkyl substituted by C.sub.1 -C.sub.4 -alkoxy or halogen or is phenyl or phenyl substituted by C.sub.1 -C.sub.4 -alkyl, halogen or C.sub.1 -C.sub.4 alkoxy, and Y is a basic or cationic group. These azo compounds can be used as dyes for dyeing and printing natural and synthetic, cationically dyeing substrates, particularly textile materials and paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.