Azo dye mixtures and their use
US5599354A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1996 |
| Grant date | Feb 4, 1997 |
| Priority date | — |
| Expiry date | Feb 5, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0046
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to dye mixtures consisting of PA1 (a) 0-100% by weight of at least one dye mixture comprising a compound of the formula ##STR1## and a compound of the formula ##STR2## (b) 0-100% by weight of at least one dye mixture comprising a compound of the formula ##STR3## and a compound of the formula ##STR4## in which the variables are as defined in the claims and the sum of (a) and (b) is 100% by weight. The dye mixtures according to the invention are suitable for dyeing or printing hydroxyl-containing or nitrogen-containing fibre materials and give dyeings or prints having good all-round fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.