Chitosan compositions for controlled and prolonged release of macromolecules
US4895724A · kind A · utility
161Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1985 |
| Grant date | Jan 23, 1990 |
| Priority date | — |
| Expiry date | Jun 7, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/205
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions for the controlled and prolonged release of macromolecular compounds comprise a porous matrix of chitosan having dispersed therein the macromolecular compound. Examples of macromolecules used in the composition are pharmacologically active ones such as peptide hormones, e.g. growth hormone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.