Invention Grant
- Patent Title: Golf ball
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Application No.: US17520864Application Date: 2021-11-08
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Publication No.: US11794078B2Publication Date: 2023-10-24
- Inventor: Hikaru Nagakura , Kazuyoshi Shiga , Kai Hayashi , Takahiro Shigemitsu
- Applicant: Sumitomo Rubber Industries, Ltd.
- Applicant Address: JP Kobe
- Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP 20212988 2020.12.22
- Main IPC: A63B37/06
- IPC: A63B37/06 ; A63B37/00 ; C08L9/00

Abstract:
An object of the present invention is to provide a golf ball having excellent shot feeling while maintaining the resilience performance on driver shots. The present invention provides a golf ball comprising a core and at least one cover covering the core, wherein the core is formed from a core rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, (c) a crosslinking initiator, and (d) a monophenol compound having a substituent group only at p-position.
Public/Granted literature
- US20220193494A1 GOLF BALL Public/Granted day:2022-06-23
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