Azo dyes for dyeing and printing hydrophobic materials

Details Azo dyes for dyeing and printing hydrophobic materials Azo dyes for dyeing and printing hydrophobic materials

2011-03-22

2011-03-22

Douyon, Lorna M (Department: 1764)

Bleaching and dyeing; fluid treatment and chemical modification

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

Azo, acridone, or quinone dye

C008S693000, C008S662000, C534S573000, C534S579000, C101S483000, C101S491000

Reexamination Certificate

active

07909891

ABSTRACT:
The invention relates to a dye of the general formula (I)whereD is the residue of a diazo component;R1is hydrogen, (C1-C6-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, —NHCHO, —NHCO(C1-C6)-alkyl, —NHCOaryl, —NHSO2(C1-C6)-alkyl or —NHSO2aryl;R2is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, phenoxy or halogen;R3is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C3-C4)-alkenyl or substituted (C3-C4)-alkenyl;or R2and R3combine to form the radical —C*H(CH3)CH2C(CH3)2—, where the carbon atom marked * is attached to the phenyl nucleus;R4is hydrogen, (C1-C6)-alkyl or phenyl;R5is vinyl or a group of the formula —CHR6COR7, where R6is hydrogen, (C1-C6)-alkyl or phenyl; R7is (C1-C6)-alkyl, substituted (C1-C6)-alkyl, phenyl or substituted phenyl; andX is C1-C5)-alkylene.The invention for relates to a process to prepare the dye and their use.

REFERENCES:
patent: 5420254 (1995-05-01), Altermatt et al.
patent: 4335261 (1994-04-01), None
patent: 4335261 (1994-04-01), None
patent: 909843 (1962-11-01), None
patent: WO-2005/056690 (2005-06-01), None
patent: WO-2006/061438 (2006-06-01), None

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