Diketopiperazine-based delivery systems
US5976569A · kind A · utility
221Cited by
148References
38Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Apr 29, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions useful in the delivery of active agents are provided. These delivery compositions include (a) an active agent; and either (b)(1) a carrier of (i) at least one amino acid and (ii) at least one diketopiperazine or (b)(2) at least one mono-N-substituted, di-N-substituted, or unsubstituted diketopiperazine. Methods for preparing these compositions and administering these compositions are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.