Retinol oil composition
US10660866B2 · kind B2 · utility
4Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2019 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Mar 27, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a composition comprising (i) about 0.05 to about 0.5% by weight retinol; (ii) a polar emollient selected from the group consisting of propylene glycol stearyl ether dicaprylyl carbonate, propylene glycol isostearate and combinations thereof; and (iii) isohexadecane, wherein the weight ratio of polar emollient to isohexadecane is 1:1 or lower and the composition is anhydrous.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.