Acidic monoazo dyestuffs
US5563249A · kind A · utility
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1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 1995 |
| Grant date | Oct 8, 1996 |
| Priority date | — |
| Expiry date | Jun 21, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B29/0088
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Acidic monoazo dyestuffs of formula I ##STR1## and their salts wherein the symbols R.sub.1 to R.sub.6, which possess the significances given in claim 1. These dyestuffs are suitable for dyeing or printing textile material consisting of natural or synthetic polyamides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.