Enhanced electrosynthesis of oxiranes
US12258670B2 · kind B2 · utility
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Key dates
| Filing date | Dec 21, 2022 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Dec 21, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B3/26
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Electrosynthesis of oxirane can include contacting a halide electrolyte with an anode that includes an electrocatalyst comprising iridium oxide loaded with a period-6 metal oxide and provided on a metal substrate. The cathode can be operated under ORR conditions. The electrochemical system can also be provided as an integrated system that includes CO2 electroreduction to produce ethylene and formation of hypochlorous acid using the electrocatalyst, followed by contact of the ethylene and the hypochlorous acid to form ethylene chlorohydrin which is, in turn, contacted with OH− ions to produce oxirane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.