Water-soluble hyaluronic acid gel and method for producing same
US10639266B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jun 27, 2014 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Jun 27, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2305/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
To provide a water-soluble hyaluronic acid gel which does not contain a large amount of an organic solvent, wherein hyaluronic acid is not chemically modified.A water-soluble hyaluronic acid gel which contains hyaluronic acid, a polyhydric alcohol, an acid, and 0-10% by mass of a water-soluble organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.