Method for preparing furfural
US9090580B2 · kind B2 · utility
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2References
19Claims
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Key dates
| Filing date | Aug 24, 2012 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Aug 24, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method for preparing furfural by reacting pentose in water and in the presence of carboxylic acid and of a heterogeneous acid catalyst, the method being conducted in an aqueous solution of carboxylic acid as a reaction medium. The present invention also relates to the preparation of furfural by reaction of pentose in water and in the presence of carboxylic acid and of a heterogeneous acid catalyst. The invention also relates to an aqueous solution of carboxylic acid rich in furfural.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.