Method of producing sustained-release preparation
US6267981A · kind A · utility
173Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2000 |
| Grant date | Jul 31, 2001 |
| Priority date | — |
| Expiry date | May 15, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention provides a sustained-release preparation comprising a biodegradable polymer metal salt and broactive polypeptide, with enhanced entrapment of the bioactive polypeptides, a suppression of initial burst, and a constant long-term release of the bioactive polypeptides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.