1
Michael J Sullivan, John L Nealon, Mark Binette: Golf ball and method of making same. Lisco, September 8, 1998: US05803831 (354 worldwide citation)

Disclosed herein is a multi-layer golf ball having a soft outer cover. The golf ball has a thermoplastic inner cover layer which preferably has a Shore D hardness of at least 65, and an outer cover with a Shore D hardness of 55 or less, and more preferably 48 or less. In a particularly preferred for ...


2
Terrence Melvin, Michael J Sullivan, R Dennis Nesbitt: Multi-core, multi-cover golf ball. July 14, 1998: US05779562 (244 worldwide citation)

A solid golf ball comprising a solid core and a cover enclosing the core. The core includes a center core layer and an outer core layer enclosing the center core layer, the center core layer having a specific gravity that differs from the specific gravity of the outer core layer by more than 0.1. Th ...


3
Michael J Sullivan: Golf ball. Spalding & Evenflo Companies, Donald R Bahr, December 5, 1989: US04884814 (239 worldwide citation)

The subject invention relates to golf ball technology, and more particularly, golf ball cover technology. The invention is concerned with a particular mixture of ionic resins as a golf ball cover composition.


4
Michael J Sullivan: Improved golf ball cover compositions containing high levels of fatty acid salts. Lisco, April 26, 1994: US05306760 (226 worldwide citation)

The present invention relates to improved cover compositions for golf ball construction. In this regard, it has been found that if high levels (i.e. greater than 10 pph resin) of fatty acid salts (i.e. metal stearates, metal oleates, metal palmitates, metal pelargonates, metal laurates, etc.) are ad ...


5
R Dennis Nesbitt, Michael J Sullivan, Terence Melvin: Golf Ball. Lisco, March 31, 1998: US05733206 (209 worldwide citation)

The present invention is directed to improved molded golf ball core constructions and methods for improving the molded golf ball core construction. The molded golf ball comprises a molded spherical core having a soft skin integral therewith, and a cover molded over the core. The soft skin is formed ...


6
Michael J Sullivan: Golf ball cover compositions containing high levels of metal stearates. Lisco, May 17, 1994: US05312857 (202 worldwide citation)

The present invention relates to improved cover compositions for golf ball construction. In this regard, it has been found that if high levels (i.e. greater than 10 pph resin) of metal stearates (i.e. zinc stearate, barium stearate, calcium stearate, magnesium stearate, etc.) are added to various io ...


7
Michael J Sullivan, Terence Melvin, R Dennis Nesbitt: Golf ball cover of neutralized poly(ethylene-acrylic acid) copolymer. Donald R Bahr, March 27, 1990: US04911451 (198 worldwide citation)

An improved golf ball comprising a core and a cover therefor, said cover comprises singularly or blends of a zinc neutralized ethylene-acrylic acid copolymer and a sodium neutralized ethylene-acrylic acid copolymer, or a blend of two or more zinc-neutralized ethylene-acrylic acid copolymers and a so ...


8
R Dennis Nesbitt, Michael J Sullivan, Terence Melvin: Method for producing a golf ball. Spalding Sports Worldwide, September 5, 2000: US06113831 (171 worldwide citation)

The present invention is directed to golf ball core constructions and methods for forming the golf ball core construction. The golf ball comprises a molded spherical core having a soft skin integral therewith, and a cover molded over the core. The soft skin is formed by controlling exothermic moldin ...


9
R Dennis Nesbitt, Michael J Sullivan, Terence Melvin: Golf ball. Lisco, Fay Sharpe Beall Fagan Minnich & McKee, November 2, 1999: US05976443 (161 worldwide citation)

The present invention is directed to molded golf ball core constructions and methods for improving the molded golf ball core construction. The molded golf ball comprises a molded spherical core having a soft skin integral therewith, and a cover molded over the core. The soft skin is formed by contro ...


10
Michael J Sullivan: Golf ball cover compositions. Lisco, June 9, 1992: US05120791 (153 worldwide citation)

The present invention is directed to improved cover compositions for golf ball construction and the resulting golf balls produced utilizing the improved cover compositions. The novel golf ball cover compositions of the invention comprise a blend of hard ionomeric resins, preferably acrylic acid base ...



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