	US 12,134,012 B2
	Golf ball and method of making same
Nicholas M. Nardacci, Barrington, RI (US); Mark L. Binette, Mattapoisett, MA (US); and Brian Comeau, Berkley, MA (US)
Assigned to Acushnet Company, Fairhaven, MA (US)
Filed by Acushnet Company, Fairhaven, MA (US)
Filed on Nov. 17, 2023, as Appl. No. 18/512,132.
Application 18/512,132 is a division of application No. 17/372,774, filed on Jul. 12, 2021, granted, now 11,819,739.
Prior Publication US 2024/0082646 A1, Mar. 14, 2024
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01); C08J 7/04 (2020.01); C08J 7/043 (2020.01); C08L 9/00 (2006.01); C09D 5/00 (2006.01); C09D 133/02 (2006.01); B29C 45/14 (2006.01); B29L 31/54 (2006.01)

CPC A63B 37/0051 (2013.01) [A63B 37/0061 (2013.01); A63B 37/00621 (2020.08); A63B 37/00622 (2020.08); A63B 37/0063 (2013.01); A63B 37/0064 (2013.01); A63B 37/0065 (2013.01); A63B 37/0066 (2013.01); A63B 37/0074 (2013.01); C08J 7/042 (2013.01); C08J 7/043 (2020.01); C08L 9/00 (2013.01); C09D 5/002 (2013.01); C09D 133/02 (2013.01); A63B 2209/00 (2013.01); B29C 45/14311 (2013.01); B29C 2045/14868 (2013.01); B29L 2031/546 (2013.01); C08J 2309/00 (2013.01); C08J 2433/02 (2013.01)]

8 Claims

1. A method of making a golf ball comprising the steps of:

providing a core formed from a rubber composition comprising at least one zinc-containing and/or magnesium-containing component;

applying an adhesion promoting coating about an outer surface of the core, wherein the adhesion promoting coating is a waterborne dispersion comprising at least one ethylene acid copolymer having an acid content of at least 15% by weight, wherein the ethylene acid copolymer is at least partially neutralized with dicyclohexylamine and/or aminomethylpropanol; and

forming an outer layer about an outer surface of the adhesion promoting coating, the outer layer comprising at least one ionomer.