Patent ID: 8481468

Claim:
A mechanical device, comprising: a movable part subject to wear, wherein said movable part is lubricated with lubricant molecules, wherein at least 30% of the lubricant molecules include at least one backbone and at least a first functional group attached to the backbone, wherein the first functional group is a non-terminal functional group, and wherein the lubricant molecules are represented by: B-Z-A-CF 2 CF 2 CF 2 -A-Z-B wherein Z is represented by: —CF 2 O—[(CF 2 CF 2 O) m —(CF 2 O) n ]—CF 2 —, wherein m and n are integers greater than zero, wherein each of A and B have hydrocarbon chains, wherein A comprises one or more non-terminal functional groups and B comprises a terminal functional group; wherein A is represented by: wherein R are non-terminal functional groups; and wherein B is represented by: wherein T are terminal function groups.