Patent ID: 8628682

Claim:
A composition comprising a fluorosurfactant and a hydrotrope wherein the hydrotrope comprises a compound selected from the group consisting of compounds of formula (I) and compounds of formula (II): wherein: R=R f or OR f , R f =(per)fluorinated C 1 -C 3 alkyl; n=1-3; and G=—SO 3 M, —OSO 3 M, —OPO 3 (M 1 )(M 2 ) or —PO 3 (M 1 )(M 2 ), M=H, Na, K, or NH 4 , M 1 =H, Na, K, or NH 4 , and M 2 =H, Na, K, or NH 4 ; wherein: R=R f or OR f , R f =(per)fluorinated C 1 -C 3 alkyl; n=1-3; R 1 =H or C 1 -C 3 alkyl; R 2 =H or C 1 -C 3 alkyl; and X=Cl, Br, or I; and wherein the weight ratio of the fluorosurfactant to the hydrotrope is in the range of 1:10 to 10:1.