Title:
DISAZO COMPOUNDS, THEIR PREPARATION AND THEIR USE AS DYESTUFFS
Document Type and Number:
WIPO Patent Application WO2001049791
Kind Code:
A3
Abstract:
Described are fiber-reactive, water-soluble disazo compounds corresponding to the formula (1), which are capable of dyeing fiber material containing hydroxy, amino, thiol and/or carboxamido groups, such as cellulose fibers, for example cotton, regenerated cellulose fibers, wool and synthetic polyamide fibers, in a high intensity and with good fastness properties. In said formula, W<2> is a particular fiber-reactive grouping, D<1> is phenyl or naphthyl, each optionally substituted by substituents customary in dyestuffs, and D<2> is phenylene or naphthylene optionally substituted by substituents customary in dyestuffs, M is hydrogen or an alkali metal, R is hydrogen or sulfo and R<1> is hydrogen, optionally substituted lower alkyl or optionally substituted phenyl.
Inventors:
STECKELBERG JOACHIM
Application Number:
PCT/EP2000/013323
Publication Date:
February 07, 2002
Filing Date:
December 29, 2000
Export Citation:
Assignee:
DYSTAR TEXTILFARBEN GMBH & CO (DE)
International Classes:
C09B62/01; C09B62/09; C09B62/25; C09B62/44; C09B62/513; D06P1/382; D06P1/384; D06P3/14; D06P3/24; D06P3/66; D06P5/20; (IPC1-7): C09B62/01; C09B62/09; C09B62/25; C09B62/513
Foreign References:
| US3420812A | 1969-01-07 |
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