The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2001
Filed:
Jul. 19, 1999
Werner Russ, Flörsheim-Weilbach, DE;
Bengt-Thomas Gröbel, Niederems, DE;
Christian Schumacher, Kelkheim, DE;
Abstract
Described are dye mixtures comprising one or more azo dyes (1) and one or more azo dyes (2) or (3) or (2) and (3), all these azo dyes containing a 1-(halotriazinylamino)-3,6- or -4,6-disulfo-8-naphthol coupling component and the third substituent in the triazine moiety of (1) and similarly of (2) and of (3) being an optionally alkyl- and/or phenyl-substituted amino radical or heterocyclic radical and the diazo component in (1) containing a fiber-reactive group of the vinyl sulfone series and being an optionally alkyl- and/or alkoxy-substituted phenyl or optionally sulfo-substituted naphthyl radical, in (2) being an optionally alkyl-, alkoxy-, chlorine-, bromine-, sulfo- and/or carboxyl-substituted phenyl or optionally sulfo-substituted naphthyl radical and in (3) being a sulfophenyl radical which, attached via an amino group, possesses a fiber-reactive halopyrimidine radical or a halotriazine radical having a fiber-reactive group of the vinyl sulfone series. The dye mixtures are very useful for dyeing hydroxyl- and/or carboxamido-containing materials, especially fiber materials, in deep bluish to yellowish red shades.