An improved golf ball including a novel cover composition, including a blend of a high stiffness ionomer having a melt index of 0.5-5.0 g/min., flexural modulus of 60,000-120,000 psi and shore hardness of 70 or greater and a very low modulus methacrylic acid ionomer having a melt index of 0.5 to 10.0...http://www.google.se/patents/US5538794?utm_source=gb-gplus-sharePatent US5538794 - Golf ball cover
