Manufacture of propiolic acid
US3969200A · kind A · utility
1Cited by
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7Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 14, 1975 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Feb 14, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B3/23
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Production of propiolic acid by anodic oxidation of propargyl alcohol in aqueous sulfuric acid solution, using lead dioxide/titanium composite electrodes as anodes and extracting the propiolic acid from the electrolyte with an ether which contains more than one ether oxygen atom and boils above propiolic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.