Low-pollution antidegradant compound and antidegradant composition and rubber composition comprising the same for tires
US12024482B2 · kind B2 · utility
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Key dates
| Filing date | Apr 9, 2021 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Apr 9, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Antidegradant composition comprising a first compound of Formula I: and a second antidegradant that is not the compound of Formula I; and rubber composition comprising the antidegradant composition. The rubber composition has good resistance to appearance discoloration while maintaining the mechanical and anti-aging properties, thus, are suitable for making the entire tire or as part of the rubber matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.