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:
Sep. 06, 2011
Filed:
Sep. 19, 2008
Applicants:
Katsuji Matsunaga, Kawagoe, JP;
Kazuyoshi Shiga, Kobe, JP;
Takeshi Asakura, Kobe, JP;
Mikio Yamada, Kobe, JP;
Inventors:
Katsuji Matsunaga, Kawagoe, JP;
Kazuyoshi Shiga, Kobe, JP;
Takeshi Asakura, Kobe, JP;
Mikio Yamada, Kobe, JP;
Assignees:
Katsuji Matsunaga, Kawagoe, JP;
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/12 (2006.01); C08G 18/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention aims to improve spin performance and abrasion resistance for a golf ball having a cover using a nonionic polyurethane as a resin component. The golf ball of the present invention is a golf ball including a core and a cover covering the core and in which the cover contains a nonionic polyurethane as a resin component and the nonionic polyurethane has a hard segment content of 24.5% to 34.7% by mass.