Golf ball
US11266882B2 · kind B2 · utility
1Cited by
8References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2019 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Feb 17, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0064
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An object of the present invention is to provide a golf ball having excellent durability. The present invention provides a golf ball comprising a spherical core composed of an inner core layer and an outer core layer, and at least one cover covering the spherical core, wherein the inner core layer is formed from an inner core layer 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 terpene-based resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.