Process for the production of ethylenically unsaturated carboxylic acids or esters
US10464875B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Apr 12, 2016 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Apr 12, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2527/232
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the production of an ethylenically unsaturated carboxylic acid or ester, preferably α,ß ethylenically unsaturated carboxylic acids or esters, by the liquid phase reaction of formaldehyde or a suitable source thereof with a non-cyclic carboxylic acid ester in the presence of a basic metal salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.