Patent ID: 7357733

Claim:
A golf ball comprising a cover layer encasing a subassembly, the subassembly comprising a barrier layer encasing a core, wherein the barrier layer is formed from a composition comprising a filler dispersed in a liquid or solvent-borne elastomeric polymer of multi-olefin, iso-olefin, or a combination thereof; wherein the filler is selected from a group consisting of leafing aluminum, mica flakes, micaceous iron oxide flakes, aluminum flakes, ceramic flakes, graphite flakes, and mixtures thereof; and wherein the elastomeric polymer is halogenated, and comprises at least one of the following: less than about 3% reactive halogen; less than about 1 halogen atom per double bond; a benzylic bromine functionality; or a branched styrenic block, wherein the subassembly has a Shore D hardness of less than about 60.