Patent ID: 7666257

Claim:
A coating composition based on components a) at least one hydrolyzable fluoroalkylsilane of the general formula (I) CF 3 (CF 2 ) n (CH 2 ) 2 Si(CH 3 ) y X 3-y (I), in which X is a group from the series chlorine, methoxy, ethoxy, isopropoxy, and n-propoxy and n is a number from the series 3, 4, 5, 6, 7, 8, and 9, and y is 0 or 1, b) HCl, c) water, d) isopropanol, and e) at least one solvent and/or diluent from the series of the alcohols, glycols, glycol ethers, ethers, esters, ketones, and aliphatic and aromatic hydrocarbons, with the exception of dodecanes, and on a silane component (a):water molar ratio of 1:4.5 to 1:9.