Compositions and processes for the sustained release of drugs
US5328697A · kind A · utility
7Cited by
18References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1992 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Feb 10, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to compositions for the sustained release of drugs and to methods for the production of such compositions. In one embodiment, somatotropin is layered onto non-pareil seeds, which, in turn are sprayed with a glycine solution. Next, a coating of a wax mixture is applied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.