Polymer of hyaluronate and of glucomannan
US11439579B2 · kind B2 · utility
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4References
21Claims
0Family size
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Key dates
| Filing date | Oct 24, 2013 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Oct 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention concerns a sphere, characterized in that it comprises at least one polymer of hyaluronate and glucomannan. It also concerns a polymer of hyaluronate and glucomannan characterized in that each bond between a hyaluronate group and a glucomannan group is an ester bond. In addition, it concerns their production process and their use, in particular as a filling or hydration agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.