Black dye composition
US6126700A · kind A · utility
12Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1999 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Jan 20, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0047
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A black dye composition comprising (a) a black reactive dye of the formula (I); ##STR1## (b) at least a black or blue reactive dye with a good fastness of oxidative bleach and wash fastness; and (c) at least a red, orange or yellow reactive azo dye. The black dye composition of present invention can be widely applied to dyeing a greater range of spinning and weaving products that contain hydroxyl group or amide group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.