Patent ID: 8702536
Filing Date: 2014-04-22
Classification: A63B,C08L

Abstract:
1. A golf ball comprising a core and a cover, wherein the core has an overall diameter of from 1.40 inches to 1.62 inches and consists of: (a) a center having a diameter of from 0.100 inches to 0.750 inches; (b) an intermediate core layer formed from a first HNP composition, the first HNP composition having a material hardness of 55 Shore D or less and comprising a highly neutralized ethylene/(meth)acrylic acid/alkyl (meth)acrylate copolymer; and (c) an outer core layer formed from a second HNP composition, the second HNP composition having a material hardness of 45 Shore D or greater and comprising a highly neutralized ethylene/(meth)acrylic acid copolymer; wherein the material hardness of the first HNP composition is less than the material hardness of the second HNP composition; and wherein the intermediate core layer has a surface hardness less than the surface hardness of the center and the surface hardness of the outer core layer.