Hyaluronic acid-collagen matrices for dermal filling and volumizing applications
US9821086B2 · kind B2 · utility
2Cited by
105References
14Claims
0Family size
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Key dates
| Filing date | Dec 8, 2015 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Dec 8, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/34
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Hydrogels comprising a macromolecular matrix and water may be used for aesthetic fillers, for example, dermal fillers. The macromolecular matrix may include a crosslinked combination of hyaluronic acid and collagen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.