Golf ball having a urethane cover

Details Golf ball having a urethane cover Golf ball having a urethane cover

2005-01-25

2005-01-25

Buttner, David J. (Department: 1712)

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S061000, C528S063000, C528S064000, C528S085000, C473S378000

Reexamination Certificate

active

06846898

ABSTRACT:
The invention provides an improved golf ball having a thermosetting polyurethane cover that enables the ball to maintain its ball characteristics even under a severe condition such as a rainy weather or a very hot weather under a burning sun. The golf ball has a cover made of the polyurethane prepared by curing a urethane prepolymer having an isocyanate group at a terminal thereof with a curing agent. The urethane prepolymer contains a polycarbonate polyol component having a number-average molecular weight of from 300 to 3000.

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