Liposomal vesicles for intraperitoneal administration of therapeutic agents
US4877619A · kind A · utility
53Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 1987 |
| Grant date | Oct 31, 1989 |
| Priority date | — |
| Expiry date | Apr 6, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2984
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Liposomal multilamellar vesicles suitable for sustained delivery of therapeutic agents to the peritoneal cavity and a method for their formulation are described. The liposomal multilamellar vesicles comprise a phosphatidylcholine having fatty acid side chains of from 12 to 24 carbons in length and have a size of from about 1 micron to about 15 microns in diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.