Chitosan composition
US9555120B2 · kind B2 · utility
6Cited by
0References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2011 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | May 5, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2305/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides a composition comprising: (i) a chitosan hydrogel comprising cross-linked chitosan and water; and (ii) a liquid dispersed in the hydrogel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.