Patent ID: 6126837
Filing Date: 2000-10-03
Classification: C02F,Y10S

Abstract:
A method for removing suspended particles from a solution comprising adding to said solution an effective amount of a composition having at least one repeat unit, or an acid salt thereof, of the formula (1): ##STR10## wherein R is selected from the group ##STR11## and mixtures thereof; wherein R.sup.1 through R.sup.4 are independently selected from the group H, C.sub.q H.sub.2q+1 and C.sub.q H.sub.2q --OH; R.sup.5 is selected from the group H, C.sub.q H.sub.2q+1, C.sub.q H.sub.2q --OH and C.sub.q H.sub.2q --COOH; q is between about 1 and 18; the sum of m and m' is between about 1 and 4; n is between about 0 and 3; Y is ##STR12## and Z is a straight chain or branched chain aliphatic having between about 1 and 3 carbon atoms.