Gelatin sponge comprising an active ingredient, its preparation and use
US8475812B2 · kind B2 · utility
4Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2009 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | May 14, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2400/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a method for manufacturing a cross-linked gelatin sponge having a surface by providing a cross-linked gelatin sponge, wetting the surface of the sponge by applying a sufficient amount of liquid comprising a protein or peptide active ingredient, wherein a sufficient amount of liquid is one that retains the flexibility of the sponge even after drying. The sponge is then dried the sponge to obtain a flexible, dry and ready to use cross linked gelatin sponge having a layer of protein or peptide active ingredient on the surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.