Dissolvable nasal sinus sponge
US10517986B2 · kind B2 · utility
10Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2018 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | Apr 16, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An implantable article comprising a dissolvable sponge derived from the mixture of chitosan, a first polysaccharide and a second polysaccharides. The polysaccharides have different number average molecular weight characteristics to enable the control of the mechanical features of the sponge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.