Is a
Patent attributes
Patent Applicant
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masatoshi Yokota0
Date of Patent
January 25, 2005
0Patent Application Number
100850780
Date Filed
March 1, 2002
0Patent Citations Received
Patent Primary Examiner
Patent 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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