Powder coated proppant and method of making the same
US9206349B2 · kind B2 · utility
3Cited by
15References
3Claims
0Family size
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Key dates
| Filing date | Mar 24, 2009 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Oct 31, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/805
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for producing a proppant particulate substrate having a coating layer thereon including the step of blending a proppant particulate substrate with a powder coating composition at a temperature sufficient to cause the powder coating composition to coat the proppant particulate substrate with a powder coating; and a proppant particulate substrate coated by such a process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.