Patent ID: 7591740

Claim:
A golf ball comprising: a core; and a cover disposed about said core; wherein said cover comprises a fast reacting aliphatic-based polyurethane and/or polyurea material, wherein said fast reacting aliphatic-based polyurethane and/or polyurea material has a reaction time of less than two minutes at processing conditions, wherein said aliphatic-based polyurethane and/or polyurea material comprises the reaction product of an aliphatic diisocyanate prepolymer comprising methylene dicyclohexyl diisocyanate and polytetramethylene ether glycol, an aliphatic polyol and a catalyst, wherein the fast reacting aliphatic-based polyurethane and/or polyurea material of the cover has a flexural modulus ranging from 5 to 100 kpsi, wherein the golf ball has a Shore C hardness of 75.