Patent ID: 6992139

Claim:
A golf ball comprising: a core having an outer diameter no greater than about 1.62 inches; and a cover layer comprising a curing agent and a polyurethane/urea hybrid prepolymer formed from a polyisocyanate and a monodisperse heterotelechelic polymer having a polydispersity of from about 1.0 to about 1.3, and having the formula: T—Z—Q n —C—Y—W where: C is a hydrogenated or unsaturated block derived by anionic polymerization of at least one monomer selected from the group consisting of conjugated dienes, alkenyl-substituted aromatic hydrocarbons, and mixtures thereof; Y and Z are independently branched or straight chain hydrocarbon connecting groups which contains 3–25 carbon atoms optionally substituted with aryl or substituted aryl containing lower alkyl, lower alkylthio, or lower dialkylamino groups; Q is an unsaturated or hydrogenated hydrocarbyl group derived by incorporation of at least one compound selected from the group consisting of conjugated diene hydrocarbons, alkenyl-substituted aromatic hydrocarbons, and mixtures thereof; T and W are different and are selected from either oxygen-containing or nitrogen-containing; and n is an integer from 0 to 5.