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.:
Date of Patent:
Apr. 30, 2019
Filed:
Nov. 02, 2012
Applicant:
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Kazuhiko Isogawa, Kobe, JP;
Kosuke Tachibana, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/02 (2006.01); A63B 37/00 (2006.01); C08K 5/098 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0003 (2013.01); A63B 37/0031 (2013.01); A63B 37/0033 (2013.01); A63B 37/0039 (2013.01); A63B 37/0043 (2013.01); A63B 37/0045 (2013.01); A63B 37/0062 (2013.01); A63B 37/0063 (2013.01); A63B 37/0064 (2013.01); A63B 37/0092 (2013.01); C08K 5/098 (2013.01); A63B 37/0022 (2013.01); A63B 37/0044 (2013.01); A63B 37/0076 (2013.01); A63B 37/0096 (2013.01);
Abstract
A golf ballincludes a core, amid layer, a reinforcing layer, and a cover. The coreincludes a centerand an envelope layer. The envelope layeris formed by a rubber composition being crosslinked. The rubber composition includes a base rubber (a), a co-crosslinking agent (b), a crosslinking initiator (c), and an acid and/or a salt (d). The co-crosslinking agent (b) is: