Reactive dye compound comprising at least one chromophore moiety and at least one nitrogen-containing heterocycle
US6518407B1 · kind B1 · utility
5Cited by
1References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2001 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Feb 13, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/248
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A novel reactive dye compound is disclosed. It comprises (a) at least one chromophore moiety; (b) at least one nitrogen-containing heterocycle; (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at least one nitrogen-containing heterocycle is substituted with at least one thio-derivative and at least one quaternized nitrogen derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.