Golf ball layers formed of polyurethane-based and...

Details Golf ball layers formed of polyurethane-based and... Golf ball layers formed of polyurethane-based and...

2007-05-01

2007-05-01

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...

C525S127000, C525S128000, C525S130000, C473S378000

Reexamination Certificate

active

10900468

ABSTRACT:
Golf equipment having improved cut and shear resistance that includes a polyurea-based composition or polyurethane-based composition, preferably saturated and/or water resistant, formed of a prepolymer, a functionalized block copolymer, and optionally further cured or chain extended with a curing agent, where the prepolymer is incorporated at the terminal end of the functionalized block copolymer.

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