Preparation of laevulinic acid
US5175358A · kind A · utility
7Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1989 |
| Grant date | Dec 29, 1992 |
| Priority date | — |
| Expiry date | Dec 11, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Essentially pure and colorless laevulinic acid is produced by heating and ring-opening furfuryl alcohol in the presence of water and a strong non-oxidizing protonic acid, and which includes establishing a reaction medium containing water, the strong protonic acid and a reaction solvent amount of laevulinic acid, and progressively introducing the furfuryl alcohol into such reaction medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.