Pharmaceutical compositions for oral administration
US6770292B2 · kind B2 · utility
14Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2002 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Aug 15, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P5/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for oral administration of an active principle includes the steps of incorporating an active principle in multilamellar vesicles having a diameter of between 0.1 and 25 &mgr;m, and a lamellar liquid-crystal internal structure formed, from the center to the periphery of the vesicles, of a stack of concentric bilayers based on amphiphilic agents alternating with layers of water, aqueous solution or solution of a polar liquid, and orally administering a composition containing the active principle incorporated within the vesicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.