Tire with silica reinforced tread
US5616639A · kind A · utility
6Cited by
4References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | May 24, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S152/905
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a tire with a rubber tread which is primarily reinforced with silica where the rubber of the said tread is composed of an elastomer base of at least three butadiene based synthetic rubbers comprised of two isoprene/butadiene copolymer elastomers having spatially defined Tg's, and a cis 1,4-polybutadiene elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.