Synthesis of aliphatic C.sub.2 -C.sub.22 carboxylic acids
US5504229A · kind A · utility
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Key dates
| Filing date | Aug 3, 1994 |
| Grant date | Apr 2, 1996 |
| Priority date | — |
| Expiry date | Aug 3, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/235
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Synthesis of aliphatic C.sub.2 -C.sub.22 carboxylic acids by oxidation of relevant aldehydes with oxygen in the presence of alkali metal compounds or alkaline earth metal compounds in the liquid phase and separation of the reaction mixture by distillation, in which the bottom product formed during distillation and containing an alkali metal salt or alkaline earth metal salt is recycled to the oxidation stage.
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