Supersaturated ascorbic acid solutions
US6020367A · kind A · utility
11Cited by
11References
21Claims
0Family size
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Key dates
| Filing date | Dec 2, 1997 |
| Grant date | Feb 1, 2000 |
| Priority date | — |
| Expiry date | Dec 2, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/52
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method of preparing a supersaturated and stable solution of ascorbic acid, supersaturated ascorbic acid solutions and compositions containing such supersaturated solutions. A polyol vehicle is heated to an elevated temperature, and the ascorbic acid is dissolved therein to form an ascorbic acid/polyol solution. The method provides a solution containing a significant concentration of ascorbic acid that is stable over time, temperature changes and other environmental factors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.