Fiber-reactive dyes which contain a ureidoalkylene group
US5278292A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1992 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Jul 17, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/503
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Water-soluble fiber-reactive dyes are described conforming to the below-indicated formula (1) which are capable of dyeing hydroxyl- and/or carboxamido-containing material, in particular fiber material, such as wool and in particular cellulose fiber materials, in strong, fast shades. ##STR1## in which F is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, triphenoldioxazine, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, formazan, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dye; PA0 R.sup.x is hydrogen or alkyl of 1 to 4 carbon atoms; PA0 R is hydrogen, sulfo, carboxyl, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or chlorine; PA0 w is 1, 2, 3 or 4; PA0 Y is vinyl or an ethyl group which contains in the .beta.-position a substituent which is eliminable by alkali to form a vinyl group; PA0 n is 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.