Thermosetting polyurethane material for a golf ball cover

Games using tangible projectile – Golf – Ball

Reexamination Certificate

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Reexamination Certificate

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06951519

ABSTRACT:
A prepolymer blend for a thermosetting polyurethane material that allows for control of the reaction time is disclosed herein. The prepolymer blend is preferably composed of a polyurethane prepolymer and dimethyl methylphosphonate. The thermosetting polyurethane is preferably utilized as a cover for a golf ball. The cover is preferably formed over a core and boundary layer.

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