Patent ID: 8212064

Claim:
A compound of formula (I): C n F 2n+1 (CH 2 ) x [(CF 2 CF 2 ) y (CH 2 CH 2 ) z ] m G (I) wherein G is an I; OH; OC(O)CH═CH 2 ; OC(O)CCH 3 ═CH 2 ; OC(O)CCl═CH 2 ; NR 1 H; N 3 ; NCO; SQ wherein Q is H, alkyl, (CH 2 ) n OH, (CH 2 ) n NH 2 , (CH 2 ) n OC(O)C(Me)=CH 2 , or (CH 2 ) n NHC(O)C(Me)=CH 2 ; SCN; COOH; SO 3 H; NHCOCH═CH 2 ; NHCOC(CH 3 )═CH 2 ); OC(O)NHCH 2 CH 2 OC(O)C(CH 3 )═CH 2 ; or OC(O)NHCH 2 CH 2 OC(O)C(CH 3 )═CH 2 ; subscript n is an integer from 1 to about 6, subscript x is an integer from 1 to about 6, subscripts y and z are each independently 1, 2 or 3, or a mixture thereof, and subscript m is 1 or 2 or a mixture thereof, and the total number of carbons in said formula (I) excluding G ranges from 8 to 22.