Gel stabilized O/W emulsion with alpha-arbutin and azelaic acid dispersion
US12115240B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2021 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Jun 24, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5922
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A skin care composition includes a gel stabilized emulsion comprising a combination of actives that include azelaic acid, at least one hydroquinone derivative, and niacinamide, at least one anionic polymer thickener, and at least one fatty compound. The provides a hydrating formula that is comfortable for the wearer and is oil free, without appearing shiny or greasy on the skin, and includes actives to treat the appearance of dark spots and inflammatory lesions, including acne, for all skin types. The skin care composition is free or essentially free of monoalcohols, silicones, silicone oils, and oils other than fatty compounds that comprise emollient esters, hydrogenated polyisobutene, and squalane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.