Reactive dyes containing fluorotriazine and vinylsulfonyl radicals
US5298607A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 26, 1993 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | May 26, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4403
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides reactive dyes of the formula ##STR1## wherein D is a mono- or polyazo, metal complex azo, anthraquinone, phthalocyanine, formazane, dioxazine or stilbene dye which contains sulfo groups, R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.2 is hydrogen, methyl or ethyl, X is a radical of the formula --SO.sub.2 CH.sub.2 CH.sub.2 Cl, --SO.sub.2 CH.dbd.CH.sub.2, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H, --SO.sub.2 CH.sub.2 CH.sub.2 OPO.sub.3 H or --N(R.sub.3)SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H, and R.sub.3 is hydrogen, methyl or ethyl, and the benzene or naphthalene radical is not further substituted or is further substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, nitro, hydroxyl, carboxyl or sulfo; the dyes are suitable for dyeing and printing a variety of materials especially cellulosic materials; they are distinguished by high reactivity and produce dyeings having good wet- and lightfastness properties; they have also good fixation properties and produce dyeings of notably high tinctorial strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.