Patent ID: 6149549
Filing Date: 2000-11-21
Classification: D06M,D06P,Y10S

Abstract:
A process for making a textile product containing cotton fibers resistant to cross-staining during laundering, said process comprising the steps of:contacting cotton fibers used to make said textile product with a solution containing a derivatising agent, said derivatising agent comprising sulfamic acid or a sulfamate, said derivatising agent being present in said solution at a concentration up to about 40 grams per liter, said solution further comprising urea at a concentration of from about 25 grams per liter to about 100 grams per liter; andheating said cotton fibers to a temperature sufficient for said derivatising agent to react with said cotton fibers said derivatised cotton fibers having an increased anionic charge for making the fibers more resistant to anionic coloring agents.