Patent ID: 8684866
Filing Date: 2014-04-01
Classification: A63B

Abstract:
1. A golf ball, comprising: a) an inner core layer formed from a first rubber composition, the first rubber composition comprising polyalkenamer rubber in an amount of 80 weight percent and polybutadiene rubber in amount of 20 weight percent, and having a modulus of 1,000 to 50,000 psi; b) an outer core formed from a second rubber composition, the second rubber composition comprising polyalkenamer rubber in an amount of about 50 to about 95 weight percent and polybutadiene rubber, the second rubber composition having a modulus of 72,000 to 150,000 psi; the modulus of the first rubber composition being at least 25% less than the modulus of the second rubber composition; and c) a cover.