Fibre-reactive dyes, their preparation and their use

Details Fibre-reactive dyes, their preparation and their use Fibre-reactive dyes, their preparation and their use

2005-03-09

2009-08-11

Elhilo, Eisa B (Department: 1796)

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

C008S667000, C008S669000, C008S670000, C008S681000, C008S688000, C534S637000

Reexamination Certificate

active

07572301

ABSTRACT:
Reactive dyes of formulawhereinQ1and Q2are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl,D1is the radical of a diazo component, which is itself a mono- or dis-azo dye or contains such a dye,D2has the same definition as D1or is a radical of formulawherein(Q3)0-3denotes from 0 to 3 identical or different substituents selected from the group halogen, C1-C4alkyl, C1-C4alkoxy, carboxy and sulfo andZ1is a radical of formulain-line-formulae description="In-line Formulae" end="lead"?—SO2—Y   (3a),in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—NH—CO—(CH2)m—SO2—Y  (3b),in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—CONH—(CH2)n—SO2—Y  (3c),in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—NH—CO—CH(Hal)-CH2-Hal  (3d) orin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?—NH—CO—C(Hal)=CH2  (3e),in-line-formulae description="In-line Formulae" end="tail"?Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions,m and n are each independently of the other the number 2, 3 or 4, andHal is halogen,are suitable for dyeing cellulosic or amide-group-containing fibre materials.

REFERENCES:
patent: 6011140 (2000-01-01), Zamponi et al.
patent: 6197941 (2001-03-01), Zamponi et al.
patent: 6537332 (2003-03-01), Tzikas et al.
patent: 19640189 (1998-04-01), None
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STIC Search Report dated Dec. 1, 2008.

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