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. 15, 2006
Filed:
Nov. 26, 2002
Philippe Ouziel, Altkirch, FR;
Philippe Ouziel, Altkirch, FR;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
A method of improving the resistance of dyes on natural or synthetic polyamnide fiber materials to the action of ozone and NO, which comprises treating the fiber material, before, during or after dyeing, with a liquor comprising a terpolymer containing structural repeating units of formulae (I), (II) and (III) in which R is a radical of formula (IV) wherein Aand Aare independently of one another a direct bond, C–Calkylene or —CO—NH—C–Calkylene, E is vinyl or —OSHH and n denotes 0 or 1. The dyeings and prints obtained are distinguished by improved ozone fastness properties without the shade, color yield and other fastness properties, for example fastness to light, being affected