C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 29/095 (2006.01) C09B 62/51 (2006.01) D06P 1/384 (2006.01)
Patent
CA 2093730
ABSTRACT A monoazo fiber reactive dye of the formula: Image wherein X and Y are independently selected from .beta.-sulfatoethyl, .beta.-thiosulfatoethyl and .beta.-phosphatoethyl group and R is hydrogen, and C1-C4 alkyl; preferably methyl. These dyes are useful in conducting exhaust dyeings at low dye bath salt concentrations.
Donovan John W.
Lavieri Frank P.
Bereskin & Parr
Hoechst Celanese Corporation
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