Patent ID: 7097910

Claim:
A composition comprising the reaction product obtained after a substantially complete condensation reaction of: A. at least one fluorochemical polyether silane compound of the formula: R f —[Q-CR 2 Si(Y) 3-x (R 1 ) x ] z wherein R f represents a multivalent polyfluorepolyother segment, Q represents an organic divalent linking group, R 1 represents a C 1 –C 8 alkyl group, Y represents a hydrolysable group independently selected from a halide group, an alkoxy group, an acyloxy group, and an aryloxy group, R represents hydrogen or an alkyl group of 1 to 4 carbon atoms whereby the R groups may be the same or different, z is 2, 3 or 4 and x is 0 or1; and B. a substantial amount of one or more tetraalkoxysilanes.