Robert Dennis Nesbitt

US Patent:

57313717, Mar 24, 1998

Filed:

Dec 18, 1995

Appl. No.:

8/577466

Inventors:

Robert Dennis Nesbitt - Westfield MA
Michael J. Sullivan - Chicopee MA

Assignee:

Lisco, Inc. - Tampa FL

International Classification:

A63B 3706
C08L 5104
C08L 902

US Classification:

524 11

Abstract:

The invention provides golf balls formed from the reaction product of compositions comprising an ester grafted hydrogenated nitrile butadiene rubber such as zinc dimethacrylate grafted hydrogenated nitrile butadiene rubber elastomer. The compositions may further include polybutadiene rubber. Balls made of these compositions are especially suited for use in restricted land spaces such as driving ranges.

US Patent:

59985062, Dec 7, 1999

Filed:

Sep 12, 1997

Appl. No.:

8/928775

Inventors:

Robert Dennis Nesbitt - Westfield MA

Assignee:

Spalding Sports Worldwide, Inc.

International Classification:

A63B 3700
C08F29102

US Classification:

523219

Abstract:

The invention provides novel compositions and golf balls formed from those compositions. The compositions generally include a cured blend of an elastomer, a peroxide polymerization agent, a co-agent, and an unsaturated polycarboxylic acid. More particularly, the cured composition includes a cured blend of cis 1,4 polybutadiene, dicumyl peroxide, zinc diacrylate, and fumaric acid. One piece golf balls formed of these compositions have improved durability.