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:
Aug. 21, 2007
Filed:
Nov. 24, 2003
Jürgen Schmiedl, Steinen, DE;
Damien Schoehn, Ensisheim, FR;
Klaus Koch, Muttenz, CH;
Huntsman International LLC, The Woodlands, TX (US);
Abstract
Reactive dyes of formula (1): wherein R, is optionally substituted C-Calkyl, Ris halogen, C-Calkyl, C-Calkoxy or sulfo, Zis a radical of formula —SO—Y (), —CO—NH—(CH)—SO—Y (), —NH—CO—CH(Hal)—CH—Hal () —NH—CO—C(Hal)═CHor () wherein Hal is chlorine or bromine, Y is vinyl or a radical —CHCH—U and U is a group removable under alkaline conditions, k is the number 2, 3, 4, 5 or 6, n is the number 0, 1 or 2 and m is the number 0 or 1, are suitable for dyeing or printing cellulose-containing fibre materials, preferably natural or synthetic polyamide fibre materials, and produce, with a high colour yield, dyeings and prints having good fastness properties