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:
Nov. 25, 1997
Filed:
Mar. 06, 1996
Andreas Von Der Eltz, Frankfurt am Main, DE;
Werner Hubert Russ, Florsheim, DE;
Dirk Buchwald, Selters, DE;
Hoechst Aktiengesellschaft, , DE;
Abstract
A dye mixture of azo dyes having fiber-reactive groups of the vinylsulfone series, comprising one or more navy-blue disazo dyes with the bivalent 1-amino-8-hydroxy-3,6-disulfo-naphthylene coupling component, one or more red-dyeing mono azo dyes, containing a phenylamino-chlorotriazinylamino-disulfo-naphthol-coupling component and one or more orange-dyeing monoazo dyestuffs with an amino-sulfonaphthol-coupling component, which dye mixtures are suitable for dyeing hydroxy- and/or carboxamido-groups containing materials, in particular fiber materials, such as cellulose fibers, for example cotton, wool and synthetic polyamide fibers.