Hybrid gel comprising chemically crosslinked hyaluronic acid derivative and pharmaceutical composition comprising the same
US8987230B2 · kind B2 · utility
1Cited by
6References
17Claims
0Family size
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Key dates
| Filing date | Apr 30, 2008 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Oct 29, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P19/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a composition comprising a hyaluronic acid derivative having a crosslinking group(s) and a hydrophilic polysaccharide derivative having a hydrophobic group(s), wherein the hyaluronic acid derivative having a crosslinking group(s) is prepared by crosslinkage formation reaction in hyaluronic acid or a derivative thereof having a crosslinkable group(s) in the presence of the hydrophilic polysaccharide derivative wherein the hydrophilic polysaccharide derivative may have a crosslinkable group(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.