Hydroglycolic cosmetic composition with a high active content
US12390412B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2020 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Jun 26, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/596
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A hydroglycolic cosmetic composition includes at least one or a combination of skin actives comprising at least one of ascorbic acid, a cinnamic acid derivative, Vitamin E, or a combination of these, and a glycol or combination of glycols selected from the group consisting of: dipropylene glycol, pentylene glycol, hexylene glycol, a combination of dipropylene glycol and pentylene glycol, and a combination of dipropylene glycol and hexylene glycol. The composition demonstrates stability of solubility of the actives at temperatures in the range from about 5° C. to about 45° C. and at a pH that is in the range from about 3.0 to about 3.5, all over a time period up to at least about 4 days or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.