US 11,865,409 B2
Golf ball and method of making same
Mark L. Binette, Mattapoisett, MA (US); Erin C. McDermott, Providence, RI (US); Michael J. Sullivan, Old Lyme, CT (US); and Brian Comeau, Berkley, MA (US)
Assigned to Acushnet Company, Fairhaven, MA (US)
Filed by Acushnet Company, Fairhaven, MA (US)
Filed on Mar. 31, 2022, as Appl. No. 17/710,925.
Prior Publication US 2023/0310948 A1, Oct. 5, 2023
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01)
CPC A63B 37/0051 (2013.01) [A63B 37/0039 (2013.01); A63B 37/0074 (2013.01); A63B 37/0075 (2013.01)] 4 Claims
 
1. A golf ball comprising a core and a cover, wherein the core is formed from a polymer composition comprising delignified natural wood, wherein:
the polymer composition is selected from polybutadiene rubber, styrene-butadiene rubber, and blends thereof;
the delignified natural wood is selected from basswoods, oaks, poplars, ashes, alders, aspens, balsa woods, beeches, birches, cherries, butternuts, chestnuts, cocobolos, elms, hickories, maples, oaks, padauks, plums, walnuts, willows, yellow poplars, bald cypresses, cedars, cypresses, firs, hemlocks, larches, pines, redwoods, spruces, tamaracks, junipers, yews, bamboo, and combinations thereof; and
the delignified natural wood has a lignin content of less than 20 wt % and a hemicellulose content of 15 wt % or less.