For golf balls with non-ionomer casing layer
First Claim
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1. A multi-layer golf ball comprising at least an inner cover layer, an outer cover layer and a core, whereinthe inner cover layer is a non-ionomeric material comprising a blend of a styrene-block copolymer, and a trans-polyisoprene, andthe golf ball has a coefficient of restitution of at least 0.805.
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Abstract
This invention is related to multi-layer golf balls having an inner cover layer comprising a blend of styrene-block copolymer and trans-polyisoprene, an outer cover layer comprising a polyurethane, a polyurea or a mixture thereof, and a core comprising of thermosetting or thermoplastic materials.
60 Citations
28 Claims
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1. A multi-layer golf ball comprising at least an inner cover layer, an outer cover layer and a core, wherein
the inner cover layer is a non-ionomeric material comprising a blend of a styrene-block copolymer, and a trans-polyisoprene, and the golf ball has a coefficient of restitution of at least 0.805.
Specification