Pharmaceutical compositions of chitosan with type-A gelatin
US6465626B1 · kind B1 · utility
27Cited by
1References
43Claims
0Family size
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Key dates
| Filing date | Aug 18, 1999 |
| Grant date | Oct 15, 2002 |
| Priority date | — |
| Expiry date | Aug 18, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1658
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A drug delivery composition for nasal administration is provided which comprises the antiviral agent ICAM-1 and a bioadhesive material. The bioadhesive material may be a chitosan solution, a liquid formulation comprising a polymeric material or a plurality of bioadhesive microspheres. The polymeric material is preferably gellan gum or alginate. The microspheres may comprise starch, chitosan, hyaluronic acid, or gelatin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.