Tire comprising a crumb rubber
US11865865B2 · kind B2 · utility
0Cited by
17References
18Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 13, 2019 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Aug 30, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2207/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A tire comprises a rubber layer comprising from 50% to 100% by mass of a rubber crumb having a ratio of the chloroform extract to the acetone extract of less than 2, the chloroform and acetone extracts being expressed as percentages by mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.