Patent ID: 7384997

Claim:
A rubber mixture comprising rubber, fillers, and at least one organosilane of the general formula I: R 1 R 2 R 3 SiR 4 —SH (I) wherein: R 1 is methyl or ethyl; R 2 is —O—(Y—O) m —X where Y is a branched or unbranched, saturated or unsaturated divalent hydrocarbon group, X is a C 1 -C 9 -alkyl group and m=1-40, R 3 is methyl, ethyl, methoxy, ethoxy or a group according to R 2 and R 4 is a branched or unbranched, saturated or unsaturated, aliphatic, aromatic or mixed aliphatic/aromatic divalent C 1 -C 12 hydrocarbon group.