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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 10195488 B1

PDFFull Text
Date of Patent:
Feb. 05, 2019

Filed:

Jun. 10, 2016

Golf ball resin composition and golf ball

Applicant:

Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;

Inventors:

Kazuyoshi Shiga, Kobe, JP;

Hiroshi Tadaoka, Kobe, JP;

Masanori Taguchi, Kobe, JP;

Takahiro Shigemitsu, Kobe, JP;

Assignee:

SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Alvin Hunter

Int. Cl.
CPC ...
A63B 37/04 (2006.01); A63B 37/06 (2006.01); A63B 37/00 (2006.01); C08K 5/09 (2006.01); C08K 5/19 (2006.01); C08K 3/22 (2006.01); C08K 3/04 (2006.01); C08K 5/098 (2006.01); C08K 5/20 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0039 (2013.01); A63B 37/004 (2013.01); A63B 37/0041 (2013.01); A63B 37/0043 (2013.01); A63B 37/0045 (2013.01); A63B 37/0048 (2013.01); A63B 37/0049 (2013.01); A63B 37/0075 (2013.01); C08K 3/04 (2013.01); C08K 3/22 (2013.01); C08K 5/09 (2013.01); C08K 5/098 (2013.01); C08K 5/19 (2013.01); C08K 5/20 (2013.01); C08K 2003/2224 (2013.01);
Abstract

An object of the present invention is to provide a golf ball resin composition having a high resilience, flexibility and high fluidity. The present invention provides a golf ball resin composition having a bending stiffness (M) ranging from 600 kgf/cmto 5,000 kgf/cmwithin a bending angle from 21° to 30°, a rebound resilience (R) of 50% or more, a slab hardness (Shore D) ranging from 40 to 65, a melt flow rate (190° C., 2.16 kgf) of 1.0 g/10 min or more, and a resilience index value ((M)×(R/100)) of 8.5 or more.

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