Golf ball
US10940368B2 · kind B2 · utility
1Cited by
0References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2019 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Sep 27, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/03
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An object of the present invention is to provide a golf ball having excellent shot feeling on driver shots. The present invention provides a golf ball comprising a core and at least one cover covering the core, wherein a material for forming the core has a loss tangent difference Δ tan δ (tan δ−80−tan δ−40) of 0.12 or more between a loss tangent tan δ−80 at −80° C. and a loss tangent tan δ−40 at −40° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.