Sulfonated 2-(2'-hydroxyaryl)-2h-benzotriazoles and their...

C - Chemistry – Metallurgy – 07 – D

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260/313.1

C07D 249/20 (2006.01) D06M 13/355 (2006.01)

Patent

CA 1340626

A new class of sulfonated 2-(2'-hydroxyaryl)-2H- benzotriazole compounds and method for using them and other sulfonated hydroxyaryl benzotriazoles on nylon fibers to improve stain resistance and dye lightfastness has been discovered.

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