Patent ID: 7314896

Claim:
A golf ball comprising: a core comprising: a first polymer comprising an acid group fully-neutralized by a salt of an organic acid or a suitable base of the organic acid and a sufficient cation source to neutralize the acid groups 100%; and a nano-material having an average particle size of 100 nm or less, present in an amount sufficient to adjust at least one material property of the first polymer by 5% to 50% when compared to the material property of the first polymer comprising a material identical to the nano-material but having an average particle size greater than 1000 nm; a cover layer; and an intermediate layer disposed between the core and the cover layer, the intermediate layer comprising a second polymer comprising an acid group fully-neutralized by a salt of an organic acid or a suitable base of the organic acid and a sufficient cation source to neutralize the acid groups 100%; wherein the core has a compression of greater than 90 and up to and including 120 and a diameter of between 1.58 inches and 1.64 inches.