Reactive dyes containing a sulfonyl and an aliphatic acyl reactive radical
US4885360A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1988 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Nov 21, 2008 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/384
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Reactive dyes of the formula ##STR1## in which D is the radical of a dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, R.sub.1 and R.sub.2, independently of each other, are each hydrogen or the radical of an unsubstituted or substituted hydrocarbon, A is an unsubstituted or substituted aliphatic or aromatic bridge member, n is 0 or 1, Y is a --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --X radical, X is an inorganic or organic radical detachable under alkaline conditions, Z is a radical of the formula ##STR2## and Hal is chlorine or bromine, and if n is 1 Z must not be either of the two radicals mentioned at the end for Z, are suitable for dyeing or printing cellulose fibre materials and produce lightfast and wetfast dyeings or prints.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.