Patent ID: 7385004

Claim:
A closure comprising a cap, the cap having a weight of about 0.75 to 1.25 grams and comprising a blend of a polyolefin resin, a lubricant and a modified polyolefin resin, the modified polyolefin resin comprising a polymethylene backbone having randomly substituted covalently bonded groups derived from a cyclodextrin compound, the cap comprising about 100 parts by weight of the polyolefin resin, about 0.05 to 4 parts by weight fatty acid amide lubricant and about 0.01 to 10 parts by weight of the modified polyolefin; wherein the cyclodextrin compound is substantially free of a compound in the central pore of the cyclodextrin ring and the concentration of lubricant at the surface of the cap is greater than the concentration of lubricant in the polyolefin resin.