Biomedical composition for skin care and/or maintenance and delaying and/or inhibiting skin aging and the use thereof
US11246822B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2019 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Apr 6, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for skin care and/or maintenance including applying or administering a preparation to a subject is provided. The preparation includes a biomedical composition, and the biomedical composition includes an effective amount of micelle, wherein the micelle includes a hyaluronic acid and/or a derivative thereof and a modified histidine. The modified histidine is grafted to at least one primary hydroxyl group of the hyaluronic acid and/or the derivative thereof, and a graft ratio of the modified histidine is 1-100%. Moreover, the hyaluronic acid and/or the derivative thereof and the modified histidine form the micelle on a weight percentage of 0.2-300:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.