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:
Jan. 28, 1997
Filed:
Mar. 12, 1996
Athanassios Tzikas, Pratteln, CH;
Claudia Carisch, Reinach, CH;
Ciba-Geigy Corporation, Tarrytown, NY (US);
Abstract
Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH.sub.2 or --CH.sub.2 --CH.sub.2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula --(CH.sub.2).sub.n --Cl, ##STR3## or --CH.dbd.CH.sub.2 ; Hal is halogen; and n is 1, 2, 3 or 4; R is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl; R.sub.1 is amino or hydroxyl; R.sub.2 is methyl or carboxyl; and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkanoylamino, halogen or carboxyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials in high tinctorial yield, and give dyeings and printings with good fastness properties.