Patent ID: 7241920

Claim:
An aqueous soluble surfactant comprising: (i) cyclic alkylamine of formula C x H 2x+1 N or (CH 2 ) x−1 CH NH 2 wherein x is an integer of 5 to 8; (ii) a linear perfluorocarboxylic acid of the formula C n F 2n−1 O 2 H or C n−1 F 2n−1 COOH wherein n is an integer of 4 to 11 and yields a perfluoroamide of the formula C n−1 F 2n−1 CO NHCH(CH 2 ) x−1 wherein n=4 to 11 and x=5 to 8 when reacted with the cyclic alkylamine and (iii) an aliphatic alcohol of the formula C n H 2n+2 O, or C n H 2n+1 OH, wherein n is an integer of 1 to 5.