Soundproof tyre for vehicle wheels
US12350977B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Inventors
Key dates
| Filing date | May 12, 2022 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Jul 24, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2467/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a soundproof tyre for vehicle wheels comprising a noise reducing element made by vulcanising a vulcanisable and expandable elastomeric compound comprising at least one elastomeric polymer, at least one expanding agent, and at least one compound selected from the group of (i) fatty acid amides and (ii) polymers and copolymers of caprolactone, lactic acid, glycolic acid, and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.