Patent ID: 7238744

Claim:
An article of manufacture comprising: a non-filled ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of ethoxylated fatty acid esters, glycol esters, PEG esters, glycerol esters, ethoxylated esters, ethoxylated sorbitol esters, aromatic ethoxylates, alcohol ethoxylates, mercaptan ethoxylates, modified ethoxylates, phosphate esters, phosphonate esters, phosphite esters, alkyl sulfates, fatty acid ethers, alkyl ether sulfates, alkylaryl ether sulfates, sulfosuccinates, sulfonated esters, sulfonated amides, alkyl ether carboxylates, alkylaryl ether carboxylates, quaternary amines, amino quaternary amines, imidazoline derivatives, betaines, sultaines, aminopropionate, catechol derivatives, and combinations thereof.