Golf ball
US9566476B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2011 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Jan 5, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An object of the present invention is to provide a golf ball excellent in flying performance, in particular, to provide a golf ball traveling a great flight distance. The present invention provides a golf ball having a spherical core and at least one cover layer covering the spherical core, wherein the spherical core is formed from a 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 carboxylic acid, provided that the rubber composition further contains (e) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.