Rubber composition for lighter weight tires and improved wet traction
US11912861B2 · kind B2 · utility
0Cited by
19References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 2021 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | May 8, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2312/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a rubber compound for tire treads, comprising:30 to 70 parts by weight per hundred parts by weight rubber (phr) of a cyclopentene ring-opening rubber having a Tg of −120° C. to −80° C. and a ratio of cis to trans of 5:95 to 40:60; and 20 phr to 60 phr of a high vinyl polybutadiene rubber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.