Extraction of pantolactone from its aqueous solutions
US4359582A · kind A · utility
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Key dates
| Filing date | Feb 8, 1979 |
| Grant date | Nov 16, 1982 |
| Priority date | — |
| Expiry date | Feb 8, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/33
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pantolactone is extracted from its aqueous solutions using methyl tert.-butyl ether as the extractant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.