Amide based coating
US12173233B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | May 24, 2017 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | May 24, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/805
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coated article comprises an article, and one or more amide based coatings on an outer surface of the proppant particle, the amide based coating include the reaction product of an isocyanate component that includes at least one isocyanate and a carboxylic acid component that includes one or more poly-carboxylic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.