Thin-layer-covered golf ball with improved velocity

Details Thin-layer-covered golf ball with improved velocity Thin-layer-covered golf ball with improved velocity

2006-03-07

2006-03-07

Buttner, David J. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S264000, C525S274000, C473S372000, C473S377000

Reexamination Certificate

active

07009005

ABSTRACT:
A golf ball comprising a center comprising a polybutadiene having a molecular weight of greater than 200,000 and a resilience index of at least about 40; and a cover layer comprising a polyurethane composition formed from a prepolymer having no greater than 7.5 percent by weight unreacted isocyanate groups.

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