Invention Grant
- Patent Title: Golf ball
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Application No.: US12498138Application Date: 2009-07-06
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Publication No.: US08501871B2Publication Date: 2013-08-06
- Inventor: Satoko Okabe , Keiji Ohama
- Applicant: Satoko Okabe , Keiji Ohama
- Applicant Address: JP Kobe
- Assignee: Dunlop Sports Co., Ltd.
- Current Assignee: Dunlop Sports Co., Ltd.
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2008-181892 20080711; JP2008-323356 20081219; JP2009-140164 20090611
- Main IPC: A63B37/00
- IPC: A63B37/00 ; C08L33/02 ; C08L77/00

Abstract:
An object of the present invention is to provide a golf ball having an excellent properties like flight distance and low temperature durability. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein at least one piece or one layer of said intermediate layers is formed from a highly elastic intermediate layer composition that contains (A) a highly elastic polyamide resin having a flexural modulus in a range from 700 MPa to 5,000 MPa; (B) a metal-neutralized product of ethylene-(meth)acrylic acid copolymer and (C) a resin having a polar functional group in a specific way.
Public/Granted literature
- US20100009776A1 GOLF BALL Public/Granted day:2010-01-14
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