Stable vitamin C compositions
US11771638B2 · kind B2 · utility
0Cited by
89References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 7, 2021 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Aug 27, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/52
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A non-aqueous composition is disclosed that includes ascorbic acid, a silicone oil, at least 15% by weight of an essential oil, propylene glycol, and glycerin, wherein at least 50% of the initial amount of ascorbic acid in the non-aqueous composition remains stable when the composition is stored for at least 1 month at room temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.