Patent ID: 6992163
Filing Date: 2006-01-31
Classification: A63B,C08G

Abstract:
1. A golf ball comprising: a core; and a cover formed over the core, the cover composed of a thermosetting polyurethane material formed from reactants comprising a polytetramethylene ether glycol terminated hexamethylene diisocyanate prepolymer to having a NCO group content ranging from 8.0% to 12.0% at least one polyurethane prepolymer and a curative blend comprising 4,4′-methylenebis-(2,6-diethyl)-aniline), and a second curing agent selected from the group consisting of N,N′-bis-alkyl-p-phenylenediamine, N,N′-dialkylamino-diphenylmethane with tetrapropoxylated ethylenediamine, and an aliphatic diamine, and trimetholylpropane in an amount of 1 to 10 parts per one hundred parts of the amines in the curative blend; wherein the cover has a thickness ranging from 0.010 inch to 0.044 inch.