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
2006-12-05
2006-12-05
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...
C525S424000, C525S425000, C473S371000, C473S372000, C473S373000, C473S378000, C473S385000
Reexamination Certificate
active
07144958
ABSTRACT:
Disclosed are molded articles such as covers, mantles and cores for golf balls, one-piece thermoplastic golf balls, and heel counters and toe puffs for footwear, prepared from compositions comprising thermoplastic elastomers, thermoplastic carboxylic acid-based ionomers, thermoplastic polyurethanes and thermoset polyurethanes modified with micropulp produced from organic fibers. The compositions are tougher, stronger, and more scuff and abrasion resistant than typical ionomer compositions. Also disclosed are methods for making golf balls comprising said compositions.
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Buttner David J.
E. I. du Pont de Nemours and Company
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