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.

Date of Patent:
Jun. 23, 2026

Filed:

Jul. 09, 2024
Applicant:

Sumitomo Rubber Industries, Ltd., Kobe, JP;

Inventors:

Daijiro Kojima, Kobe, JP;

Takahiro Shigemitsu, Kobe, JP;

Takahiro Sajima, Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/00 (2006.01); C08K 3/22 (2006.01); C08K 5/00 (2006.01); C08K 5/101 (2006.01); C08K 5/14 (2006.01); C08K 13/02 (2006.01); C08L 23/0876 (2025.01);
U.S. Cl.
CPC ...
A63B 37/0024 (2013.01); A63B 37/0033 (2013.01); A63B 37/0036 (2013.01); A63B 37/0043 (2013.01); A63B 37/0045 (2013.01); A63B 37/0049 (2013.01); A63B 37/00622 (2020.08); A63B 37/0063 (2013.01); A63B 37/0064 (2013.01); A63B 37/0065 (2013.01); A63B 37/0075 (2013.01); A63B 37/008 (2013.01); A63B 37/0083 (2013.01); A63B 37/0087 (2013.01); A63B 37/00922 (2020.08); C08K 2003/2296 (2013.01); C08K 5/0091 (2013.01); C08K 5/101 (2013.01); C08K 5/14 (2013.01); C08K 13/02 (2013.01); C08L 23/0876 (2013.01);
Abstract

A golf ball can include a core, a mid layer, and a cover. An amount P(Na) of a sodium ion-neutralized ionomer resin in abase resin of the cover can be not greater than 5 parts by mass. The golf ball can satisfy the following mathematical formulas (1) and (2): where


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