Process for treating a dicarboxylic acid composition
US11060197B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Nov 24, 2017 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Dec 26, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B9/19
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for treating a dicarboxylic acid composition, with the proviso that the dicarboxylic acid is not furan 2,5-dicarboxylic acid, which process comprises: —introducing a dicarboxylic acid composition, which dicarboxylic acid composition contains an impurity compound and which impurity compound is an organic compound comprising a carbonyl group, into a cathode compartment of an electrochemical cell; and electrochemically reducing the impurity compound in the cathode compartment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.