US 6537979
Water-insoluble derivatives of hyaluronic acid crosslinked with a biscarbodiimide
expired A61KA61K47/36A61K47/61
Quick answer
US patent 6537979 (Water-insoluble derivatives of hyaluronic acid crosslinked with a biscarbodiimide) held by ANIKA THERAPEUTICS, INC. expires Mon Mar 20 2023 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.
Key facts
- Applicant
- ANIKA THERAPEUTICS, INC.
- Grant date
- Tue Mar 25 2003 00:00:00 GMT+0000 (Coordinated Universal Time)
- Expiration
- Mon Mar 20 2023 00:00:00 GMT+0000 (Coordinated Universal Time)
- Claims
- 12
- CPC classes
- A61K, A61K47/36, A61K47/61, A61K47/6903, A61K9/0014