Hyaluronic acid gel, process for producing the same, and medical material containing the same
US7014860B1 · kind B1 · utility
32Cited by
8References
21Claims
0Family size
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Key dates
| Filing date | Feb 3, 2000 |
| Grant date | Mar 21, 2006 |
| Priority date | — |
| Expiry date | Feb 3, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L5/08
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Production of a hyaluronic acid gel, which comprises keeping hyaluronic acid in water at a hyaluronic acid concentration of at least 5 wt % in the presence of an acid component in an amount at least equimolar with the carboxyl groups in the hyaluronic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.