Hydrazido derivatives of hyaluronic acid
US8524885B2 · kind B2 · utility
0Cited by
7References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 6, 2007 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Jun 28, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K38/1825
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are chemically modified hyaluronic acid (HA) derivatives containing hydrazido groups directly linked to the glucuronic acid residues of HA. Said hydrazido groups are used to obtain crosslinked and labeled HA derivatives. The invention further relates to methods of preparation of said HA derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.