August 3, 1993

A method of imparting acid dye stain resistance to polyamide substrates having improved durability of the stain resistance to detergent washings comprising treating the polyamide substrate with an effective amount of a mixture of phenyl vinyl ether/maleic diacid copolymer and 2-(4-hydroxymethyl-phenoxy)-ethyl vinyl ether/maleic diacid copolymer, wherein the phenyl vinyl ether/maleic diacid copolymer is the stain resist agent, and the 2-(4-hydroxymethyl-phenoxy)-ethyl vinyl ether/maleic diacid copolymer is added to improve the durability of the stain resist agent.

1

August 3, 1993

07/868,930

June 4, 1992

428/96   428/475.8

D06M   15/347   (20060101)   D06M   15/263   (20060101)   D06M   15/53   (20060101)   D06M   15/37   (20060101)   D06M   15/21   (20060101)  

This application is a division of application Ser. No. 649,501, filed Feb. 1, 1991.

428/96