Silica-graphenic carbon composite particles and elastomeric materials including such particles
US11781020B2 · kind B2 · utility
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6References
11Claims
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Key dates
| Filing date | Aug 10, 2020 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Mar 2, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C1/46
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composite particles may be produced by drying slurries containing silica particles and graphenic carbon particles in a liquid carrier. Elastomeric formulations comprising a base elastomer composition and the silica-graphenic carbon composite particles are also disclosed. The formulations possess favorable properties such as increased stiffness and are useful for many applications such as tire treads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.