US 11,717,725 B2
Methods for cross-linking thermoplastic polyurethane covers for golf balls
Michael J. Sullivan, Old Lyme, CT (US); and Mark L. Binette, Mallapoisett, MA (US)
Assigned to Acushnet Company, Fairhaven, MA (US)
Filed by Acushnet Company, Fairhaven, MA (US)
Filed on May 16, 2022, as Appl. No. 17/744,860.
Application 17/744,860 is a continuation of application No. 17/204,987, filed on Mar. 18, 2021, granted, now 11,383,137.
Application 17/204,987 is a continuation of application No. 16/722,024, filed on Dec. 20, 2019, granted, now 10,953,285, issued on Mar. 23, 2021.
Application 16/722,024 is a continuation of application No. 15/992,485, filed on May 30, 2018, granted, now 10,518,136, issued on Dec. 31, 2019.
Application 15/992,485 is a continuation in part of application No. 15/786,644, filed on Oct. 18, 2017, granted, now 10,363,458, issued on Jul. 30, 2019.
Application 15/786,644 is a continuation in part of application No. 15/710,866, filed on Sep. 21, 2017, granted, now 10,252,113, issued on Apr. 9, 2019.
Prior Publication US 2022/0273990 A1, Sep. 1, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01); C08G 18/16 (2006.01); C08G 18/38 (2006.01); A63B 45/00 (2006.01); C08G 18/48 (2006.01); C08G 18/32 (2006.01); C08G 18/10 (2006.01)
CPC A63B 37/00221 (2020.08) [A63B 37/0023 (2013.01); A63B 37/0075 (2013.01); A63B 45/00 (2013.01); C08G 18/10 (2013.01); C08G 18/16 (2013.01); C08G 18/3225 (2013.01); C08G 18/3814 (2013.01); C08G 18/4854 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A golf ball comprising a core, an outer cover layer, and an intermediate layer disposed between the core and the outer cover layer, wherein the outer cover layer is formed from a composition comprising:
a thermoplastic polyurethane;
a multi-functional hydroxyl compound; and
a multi-functional compound selected from the group consisting of multi-functional amines, multi-functional imines, multi-functional isocyanates, and combinations of two or more thereof.