Fracking proppant and method of manufacture
US11104841B2 · kind B2 · utility
2Cited by
2References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2017 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Mar 4, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A material useful as a proppant comprises a core chemically reacted in situ from coal dust and a polymer derived ceramic material, such that at least a portion of the coal dust is chemically converted to a ceramic, nanoparticles, graphene, nanofibers or combinations of any of these.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.