Patent ID: 7326777
Filing Date: 2008-02-05
Classification: C09B

Abstract:
1. A fiber reactive dyestuff of formula (I), wherein Z is X is quaternary ammonium salt, pyridine, 3-carboxypyridine-1-yl, 4-carboxypyridin-1-yl, methylpyridinium, or carbamoylpyridinium; Y is —OH, vinyl or —CH I is sulfo, C when R is a hydrogen atom, X is quaternary ammonium salt, pyridine, 4-carboxypyridin-1-yl or methylpyridinium; when R is —CH D is a chromophore group having one or more reactive or non-reactive groups, wherein said one or more reactive groups are each independently selected from the Q groups set forth above, and said chromophore group is selected from the group consisting of formazan chromophore, anthraquinone, phthalocyanine, triphendioxazine, monoazo, polyazo, and metal complex azo.