Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Reexamination Certificate
2007-04-04
2010-11-09
Buttner, David (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
C525S193000, C525S236000, C473S371000, C473S372000, C473S377000
Reexamination Certificate
active
07829604
ABSTRACT:
The invention provides a golf ball composed of a hot-molded material obtained by vulcanizing a rubber composition made primarily of a base rubber and an unsaturated carboxylic acid or salt thereof, wherein the rubber composition additionally includes a vulcanized rubber powder from which soluble ingredients have been removed by liquid washing. The golf ball of the invention is able to increase the hardness (deflection) of the core and has an excellent durability, in addition to which it effectively re-uses vulcanized rubber powder that is a waste material and so is industrially beneficial by lowering manufacturing costs and reducing the burden on the environment.
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Bridgestone Sports Co. Ltd.
Buttner David
Sughrue & Mion, PLLC
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