×

Golf balls having two core layers formed from HNP compositions

  • US 8,241,149 B2
  • Filed: 08/17/2011
  • Issued: 08/14/2012
  • Est. Priority Date: 04/23/2007
  • Status: Active Grant
First Claim
Patent Images

1. A golf ball consisting essentially of:

  • (a) a center having a diameter of from 1.20 inches to 1.30 inches, a center hardness of 50 Shore C or greater, and 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;

    (b) an outer core layer having a surface hardness of 75 Shore C or greater and 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;

    (c) an inner cover layer; and

    (d) an outer cover layer;

    wherein the material hardness of the first HNP composition is less than the material hardness of the second HNP composition.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×