Disperse dyes, their preparation and use

Details Disperse dyes, their preparation and use Disperse dyes, their preparation and use

2008-08-01

2011-12-06

Elhilo, Eisa (Department: 1761)

Bleaching and dyeing; fluid treatment and chemical modification

Process of printing permanently on substrate, other than...

Discharge utilized

C008S662000, C008S690000, C008S691000, C008S692000, C534S788000

Reexamination Certificate

active

08070832

ABSTRACT:
The invention provides for a dye of the 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 or —NHSO2(C1-C6)-alkyl; R2is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy 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 or (C1-C6)-alkyl; R5is hydrogen or (C1-C6)-alkyl; R6is hydrogen or (C1-C6)-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0, 1, or 2; and m is 0 or 1. The invention is also related to the process of using the dye and the process of preparing the dye.

REFERENCES:
patent: 1411089 (2004-04-01), None
patent: 1541010 (1979-02-01), None
patent: WO-2005/056690 (2005-06-01), None
patent: WO 2005/056690 (2005-06-01), None
STIC Search Report dated Aug. 3, 2011.

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