Tantalum-based catalyst deposited on silica for the transformation of ethanol into butadiene
US11148983B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Jul 5, 2016 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Jul 18, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a catalyst comprising at least the element tantalum, and at least one mesoporous oxide matrix that has undergone an acid wash comprising at least 90% by weight of silica before washing, the mass of the element tantalum being in the range 0.1% to 30% of the mass of said mesoporous oxide matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.