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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11154753 B1

PDFFull Text
Date of Patent:
Oct. 26, 2021

Filed:

Nov. 01, 2019

Golf ball

Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventors:

Kuniyasu Horiuchi, Kobe, JP;

Toshiyuki Tarao, Kobe, JP;

Hidetaka Inoue, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Raeann Gorden

Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/00 (2006.01); C08G 18/64 (2006.01); C08G 18/73 (2006.01); C08G 18/42 (2006.01); C08G 18/40 (2006.01); C08G 18/62 (2006.01); C09D 175/04 (2006.01); C08G 18/79 (2006.01); C08G 18/75 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0022 (2013.01); A63B 37/0096 (2013.01); C08G 18/4081 (2013.01); C08G 18/4277 (2013.01); C08G 18/6275 (2013.01); C08G 18/6484 (2013.01); C08G 18/73 (2013.01); C08G 18/755 (2013.01); C08G 18/792 (2013.01); C08G 18/795 (2013.01); C09D 175/04 (2013.01); A63B 37/0053 (2013.01); A63B 37/0073 (2013.01); A63B 37/0074 (2013.01); A63B 37/0075 (2013.01); A63B 37/0076 (2013.01); A63B 37/0087 (2013.01);
Abstract

An object of the present invention is to provide a golf ball having excellent approach spin performance under a dry condition and excellent approach spin performance under a condition that there is grass between the golf ball and the club face. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein the paint film is composed of at least one layer, and an outermost paint film layer located at the outermost layer of the golf ball contains, as a base resin, a polyurethane obtained by a reaction between (A) a polyisocyanate composition and (B) a polyol composition, and the outermost paint film layer has a dynamic friction coefficient of from 0.75 to 1.5 measured with a dynamic friction tester under specific conditions.

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