Method for removing formic acid from aqueous solutions
US7179388B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Jun 10, 2002 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | May 31, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Formic acid is at least partly removed from an aqueous solution comprising formic acid, cyclohexanone and cyclohexanol by decomposition over certain decomposition catalysts.The method is preferably used for processing reaction products from the oxidation of cyclohexane and comprises:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.