Cross-linked polycarboxylated polysaccharides and methods of use thereof
US11939409B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jun 11, 2019 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Apr 11, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention is directed to a polymer comprising a first hyaluronic acid (HA) chain and a second HA chain crosslinked via a linker comprising an unsaturated moiety or a derivative thereof coupled to a tetrazine moiety or a derivative thereof. In some embodiments, the polymer of the invention is characterized by having a crosslinking degree of 0.2 to 4%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.