Fibre reactive scarlet azo dyes

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo

Reexamination Certificate

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Details

C008S549000

Reexamination Certificate

active

06946549

ABSTRACT:
The present invention refers to dyestoffs of the formula I wherein Ar is a group of the formula II or of the formula III, D is a group of the formula IV, or of the formula V wherein the variables are defined as given in claim1, processes for their preparation and their use for dyeing and printing hydroxy- and/or carboxamido-containing fiber materials.

REFERENCES:
patent: 3647778 (1972-03-01), Francis et al.
patent: 5631352 (1997-05-01), Lauk
patent: 0 126 265 (1984-11-01), None
patent: 0 693 538 (1996-01-01), None
patent: WO-99/05224 (1999-02-01), None
patent: WO-00/36025 (2000-06-01), None
B. Smith et al., “Ink Jet Printing For Textiles”, Text.Chem. Color 19(8): pp. 23-29, Aug. 1987.
W.C. Tincher et al., “Analyzing Carpet Samples for Formaldehyde Content”, Text.Chem. Color 21(5): pp. 27-29 (May 1989).

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