Process for the production of glycolic acid
US10087131B2 · kind B2 · utility
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12References
17Claims
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Key dates
| Filing date | Mar 23, 2016 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Mar 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/47
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the production of glycolic acid or derivatives thereof from formaldehyde comprising reacting formaldehyde with carbon monoxide and water in the presence of a silica catalyst, wherein from about 200 to about 5000 ppm of an alkyl silyl sulfonic acid is supplied to the reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.