Lipsopheres for controlled delivery of substances
US5188837A · kind A · utility
419Cited by
58References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 3, 1991 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Oct 3, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2984
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A microsuspension system and method for its preparation is disclosed. The microsuspension contain lipospheres, which are solid, water-insoluble microparticles that have a layer of a phospholipid embedded on their surface. The core of the liposphere is a solid substance to be delivered, or a substance to be delivered that is dispersed in an inert solid vehicle, such as a wax.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.