US 11,717,724 B2
Golf ball
Kazuya Kamino, Kobe (JP); Hidetaka Inoue, Kobe (JP); Kuniyasu Horiuchi, Kobe (JP); and Kuniyuki Nishikawa, Osaka (JP)
Assigned to SUMITOMO RUBBER INDUSTRIES, LTD., Kobe (JP)
Filed by Sumitomo Rubber Industries, Ltd., Kobe (JP)
Filed on Sep. 30, 2021, as Appl. No. 17/490,483.
Application 17/490,483 is a continuation of application No. 16/858,266, filed on Apr. 24, 2020, granted, now 11,167,176.
Claims priority of application No. 2019-086325 (JP), filed on Apr. 26, 2019; and application No. 2019-086326 (JP), filed on Apr. 26, 2019.
Prior Publication US 2022/0016488 A1, Jan. 20, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01); C09D 175/04 (2006.01)
CPC A63B 37/0022 (2013.01) [A63B 37/0096 (2013.01); C09D 175/04 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A golf ball comprising a golf ball body and a paint film covering the golf ball body and composed of at least one layer, wherein
an outermost layer of the paint film is formed from a paint containing a polyol, a polyisocyanate, and a carbinol modified silicone oil and,
the carbinol modified silicone oil has a hydroxy value of from 1 mgKOH/g to 200 mgKOH/g,
the outermost layer of the paint film has a thickness of from 2 μm to 30 μm,
the outermost layer of the paint film has a surface having a water sliding angle of 40° or less, and
the outermost layer of the paint film has a surface having a dynamic friction coefficient of from 0.3 to 0.9.