Microcapsules comprising sunscreen agents
US12201708B2 · kind B2 · utility
0Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2020 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | May 27, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Microcapsules comprised of a core comprising one or more sunscreen agents and a shell of a wall-forming polymeric material, which are non-rupturable upon rubbing or pressing on the skin, and processes of preparing same are disclosed. Topical formulations comprising the microcapsules, which can be, for example, sunscreen formulations or skin care formulations, are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.