Multi-layered collagen film compositions for delivery of proteins and methods of using same
US5418222A · kind A · utility
79Cited by
13References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1994 |
| Grant date | May 23, 1995 |
| Priority date | — |
| Expiry date | Jun 28, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/61
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to single and multiple layer collagen films that are useful for improved sustained release delivery of pharmaceuticals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.