Golf ball
US5929189A · kind A · utility
254Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1997 |
| Grant date | Jul 27, 1999 |
| Priority date | — |
| Expiry date | Apr 3, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0067
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A golf ball comprises a core and a cover enclosing the core. The cover resin is composed mainly of a thermoplastic polyurethane elastomer having an aliphatic diisocyanate component and exhibiting a tan .delta. peak temperature of not higher than -20.degree. C. in viscoelasticity measurement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.