US 12,478,841 B1
Golf ball utilizing functional polymers
Vijay Chavan, Vista, CA (US)
Assigned to Topgolf Callaway Brands Corp., Carlsbad, CA (US)
Filed by Callaway Golf Company, Carlsbad, CA (US)
Filed on Jun. 22, 2020, as Appl. No. 16/907,576.
Claims priority of provisional application 62/865,709, filed on Jun. 24, 2019.
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01)
CPC A63B 37/0076 (2013.01) [A63B 37/0033 (2013.01); A63B 37/0039 (2013.01); A63B 37/0045 (2013.01); A63B 37/0058 (2013.01); A63B 37/0059 (2013.01); A63B 37/0064 (2013.01); A63B 37/0065 (2013.01); A63B 37/0092 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A golf ball comprising:
a center core;
a mantle layer; and
a cover layer disposed over the mantle layer;
wherein at least one of the cover layer or the mantle layer comprises a first component consisting of a thermoplastic polyurethane, and a second component consisting of a functional polymer in an amount ranging from 0.1 to 80 weight percent of the cover layer or mantle layer, wherein the functionalized polymer has a backbone group consisting of isoprene.