Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-10-31
2006-10-31
Buttner, David J. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S123000, C528S075000, C473S378000
Reexamination Certificate
active
07129295
ABSTRACT:
A golf ball excellent in abrasion resistance and rebound characteristics. The golf ball according to the present invention is characterized in that the golf ball comprises a base resin constituting the cover containing a polyurethane having a polyisocyanate and a polyol as the constituents thereof and the polyol further comprises a hydroxyl group-containing diene polymer and/or a hydrogenated derivative of the hydroxyl group-containing diene polymer.
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Elastollan TPU product brochure from Elastogran.
Fujisawa Koichi
Isogawa Kazuhiko
Birch & Stewart Kolasch & Birch, LLP
Buttner David J.
SRI Sports Limited
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