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Thin-layer-covered golf ball with improved velocity

  • US 7,531,603 B2
  • Filed: 09/17/2007
  • Issued: 05/12/2009
  • Est. Priority Date: 12/24/1998
  • Status: Expired due to Fees
First Claim
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1. A golf ball comprising:

  • a center formed of a reaction product comprising;

    polybutadiene;

    a crosslinking material;

    a free radical source;

    a cis-to-trans catalyst present in an amount sufficient to produce a reaction product comprising at least about 32 percent trans-polybutadiene, wherein the reaction product has a percent change in dynamic stiffness from 0°

    C. to −

    50°

    C. of less than 125 percent; and

    a cover comprising a thermoplastic or thermoset polyurethane.

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