Modified amino acids for drug delivery
US5629020A · kind A · utility
176Cited by
90References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1994 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Apr 22, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to an oral delivery system, and in particular to modified amino acids or peptides for use as a delivery system of sensitive agents such as bioactive peptides. The modified amino acids or peptides can form non-covalent mixtures or microspheres with active biological agents. These mixtures or microspheres are suitable for oral administration of biologically active agents to animals. Methods for the preparation of such amino acids and peptides are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.