Patent ID: 7648428

Claim:
A golf ball comprising a core and a cover of one or more layer that encloses the core, which cover has an outermost layer on which a plurality of dimples are formed, the ball being characterized in that the outermost layer is made of one or more thermoplastic or thermoset resin as a base material and includes therein one or more light collecting fluorescent dye, and in that at least 90% of the dimples formed on the outermost layer have a dimple edge angle of 5 to 30°, and wherein the outermost layer contains from 0.001 to 0.03 part weight of a light-collecting fluorescent dye having a purity of at least 95% and from 0.01 to 0.03 part by weight of titanium oxide per 100 parts by weight of the base resin.