Patent Number: 6,251,992

Title: Rubber composition containing hydroxyl terminated polyalkylene polymer and tire with tread thereof

Abstract: This invention relates to a rubber composition comprised of a combination of cis 1,4-polyisoprene rubber and at least one liquid hydroxyl terminated polyalkylene polymer and to such a composition being sulfur cured. The rubber composition can also contain an additional diene-based elastomer. The rubber composition contains reinforcement as carbon black or as carbon black and/or silica together with a coupling agent. The invention also relates to a tire having a tread of such rubber composition.

Inventors: Sandstrom; Paul Harry (Tallmadge, OH)

Assignee: The Goodyear Tire & Rubber Company

International Classification: B60C 1/00 (20060101); C08L 21/00 (20060101); C08L 029/02 (); B60C 011/00 (); C08F 036/08 (); C08F 236/10 ()

Expiration Date: 06/26/2018