×

Golf ball layers formed of polyurethane-based and polyurea-based compositions incorporating block copolymers

  • US 7,214,738 B2
  • Filed: 07/28/2004
  • Issued: 05/08/2007
  • Est. Priority Date: 12/03/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A golf ball comprising a core and a cover, wherein the cover is formed from a polyurethane-based composition comprising a prepolymer, a block copolymer, and a coupling agent, wherein the block copolymer comprises an Ax-By block or an Ax-By-Az block, wherein A comprises an olefin or acrylate, B comprises a diene. and x, y, and z are independently 1 or greater, and wherein the prepolymer is formed from an isocyanate and a polyol.

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×