Patent ID: 7816005

Claim:
A fibrous substrate treated in accordance with a method for imparting resistance to staining to said substrate comprising contacting said substrate with a copolymer comprising the monomers of Formula 1 wherein D is at least one vinyl monomer selected from the group consisting of aryl olefin, alpha olefin and diene, each M is independently H, Ca, Mg, Al, Na, or K, each R 1 is independently H, C 1 -C 6 alkyl, or C 1 -C 6 hydroxyalkyl, each R 2 is independently linear or branched C 1 -C 12 alkyl, C 1 -C 6 hydroxyalkyl, C 6 F 5 , arylalkyl C 6 H 4 OH, R 3 COOH, or R 3 SO 3 H, or R 1 and R 2 are linked together to form a morpholino or pyrrolidino ring, R 3 is linear or branched C 1 -C 12 alkyl, CH(COOH)CH 2 CH 2 , C 6 H 4 , or C 6 H 3 (OH), h 1 +h 2 is h, h is a positive integer, k is zero or a positive integer, i and j are each independently zero or a positive integer, provided that the total of 1) h÷(k+h+i+j) is from about 0.005 to about 0.7, 2) k÷(k+h+i+j) is from about 0.3 to about 0.6, 3) [i+j]÷(k+h+i+j) is 0 to about 0.6, and provided that the sum of 1)+2)+3) is 1.0, said monomers occurring in any sequence.