Dermal injectable sterile composition
US9907739B2 · kind B2 · utility
0Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2013 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Oct 24, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a crosslinked hyaluronic acid gel which derives from the crosslinking of hyaluronic acid or of a salt thereof in the presence of at least an effective amount of at least one endogenous polyamine as a crosslinking agent, said crosslinking being carried out under conditions favourable to the coupling of said hyaluronic acid and of said endogenous polyamine(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.