Games using tangible projectile – Golf – Ball
Reexamination Certificate
2007-07-17
2007-07-17
Mulcahy, Peter D. (Department: 1713)
Games using tangible projectile
Golf
Ball
C473S367000, C473S377000, C524S114000, C524S318000, C524S394000
Reexamination Certificate
active
10716627
ABSTRACT:
The present invention provides a rubber composition for obtaining golf ball having good processability, excellent rebound characteristics and excellent durability. The present invention relates to a rubber composition for golf ball comprising a base rubber, a co-crosslinking agent, an organic peroxide, a filler and a processing aid, wherein the base rubber comprises a polybutadiene (a) containing a cis-1,4 bond of not less than 80% and synthesized using lanthanide-containing catalyst, the organic peroxide comprises an organic peroxide having 10 hours half-life period temperature of 80 to 100° C., and the processing aid is fatty acid ester, fatty acid salt or the mixture thereof.
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Fujisawa Koichi
Fushihara Kazuhisa
Birch & Stewart Kolasch & Birch, LLP
Mulcahy Peter D.
SRI Sports Limited
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