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:
Jun. 17, 2008
Filed:
Sep. 26, 2005
Applicants:
Hiroyuki Nagasawa, Chichibu, JP;
Yoshihiro Yamana, Tokyo, JP;
Hidekazu Saito, Kurashiki, JP;
Hiroki Kimura, Kurashiki, JP;
Inventors:
Hiroyuki Nagasawa, Chichibu, JP;
Yoshihiro Yamana, Tokyo, JP;
Hidekazu Saito, Kurashiki, JP;
Hiroki Kimura, Kurashiki, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/12 (2006.01); C08G 18/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a golf ball composed of a core and one or more cover layers which enclose the core, at least one cover layer is made primarily of a thermoplastic polyurethane obtained by a polyurethane forming reaction of an organic polyisocyanate compound with a long-chain polyol and a chain extender, and satisfies conditions (1) to (3) below: The golf ball has an improved scuff resistance, particularly an improved low-temperature scuff resistance.