Fiber reactive anthraquinone dyes
US5393884A · kind A · utility
1Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1993 |
| Grant date | Feb 28, 1995 |
| Priority date | — |
| Expiry date | Jun 14, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/505
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is that of a water soluble fiber reactive anthraquinone blue dyes. These dyes may be used to dye and print textiles and other substrates containing hydroxy and or groups in brilliant blue colors. The dyes of the invention are free of heavy metals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.