Patent ID: 9586097
Date: 2017-03-07
CPC Classifications: A63B,C08L

Claim:
1. A golf ball comprising a core and a cover, wherein the core comprises: a solid inner core layer formed from an unfoamed first polybutadiene composition and having a diameter of 1.10 inch or less and a center Shore C hardness (H one or more optional intermediate core layers, and an outer core layer formed from a second polybutadiene composition and having a thickness of 0.150 inches or greater and an outer surface Shore C hardness (H wherein H wherein the core has a gradient quotient, Q, of from 7 to 12, as defined by the equation: wherein the hardness gradient, G, is from 60 to 90; the percent of trans-polybutadiene isomer at the surface of the outer core layer, T, is from 1 to 5; and the COR of the core is from 0.790 to 0.840.