Red reactive dyes, their preparation and their use

Details Red reactive dyes, their preparation and their use Red reactive dyes, their preparation and their use

2007-07-31

2011-11-29

Klemanski, Helene (Department: 1734)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C534S634000, C008S549000, C427S288000

Reexamination Certificate

active

08066809

ABSTRACT:
Reactive dyes of formulawhereinR1and R2independently of one another are hydrogen or unsubstituted or substituted C1-C4alkyl,D is a radical of a diazo component of the formulaX1and X2independently of one another are halogen,T is a fiber-reactive radical of the formula(R3)0-2denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo,Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions,Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2group,Hal is halogen,n is the number 0, 1 or 2, andm and q are independently of one another the number 0 or 1,are suitable for dyeing cellulosic or amide-group-containing fiber materials.

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