Invention Grant
- Patent Title: Golf ball
- Patent Title (中): 高尔夫球
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Application No.: US13231999Application Date: 2011-09-14
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Publication No.: US09205305B2Publication Date: 2015-12-08
- Inventor: Satoko Okabe
- Applicant: Satoko Okabe
- Applicant Address: JP Kobe-Shi
- Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee: DUNLOP SPORTS CO. LTD.
- Current Assignee Address: JP Kobe-Shi
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2010-232886 20101015
- Main IPC: A63B37/00
- IPC: A63B37/00 ; C08L77/00 ; C08L77/08 ; C08L23/08

Abstract:
The present invention provides a golf ball having a center and at least one intermediate layer covering the center and a cover, wherein at least one of the intermediate layer is formed from a composition comprising, as a resin component, (A) a polyamide copolymer containing (a-1) a polymerized fatty acid, (a-2) sebacic acid and/or azelaic acid, (a-3) a polyamine component as an essential component, and (B) at least one member selected from (b-1) a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid, (b-2) a metal ion-neutralized product of a binary copolymer composed of an olefin and an α,β-unsaturated carboxylic acid, (b-3) a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid and an α,β-unsaturated carboxylic acid ester, and (b-4) a metal ion-neutralized product of a ternary copolymer composed of an olefin, an α,β-unsaturated carboxylic acid and an α,β-unsaturated carboxylic acid ester.
Public/Granted literature
- US20120094783A1 GOLF BALL Public/Granted day:2012-04-19
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