Process for preparing freeze-dried liposome compositions
US4311712A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1979 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Aug 20, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1277
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Process for preparing a freeze-dried, potential liposome, mixture which comprises either (a) dissolving at least one liposome-forming amphipathic lipid, at least one biologically-active compound, and optionally one or more adjuvants, in a suitable solvent, and then freeze-drying the solution, or (b) preparing by any known method an aqueous liposome composition containing at least one biologically-active compound, and then freeze-drying the said aqueous liposome composition. Process for preparing an aqueous liposome composition which comprises dispersing said freeze-dried, potential liposome, mixture, obtained by procedure (a) or (b), in a suitable aqueous medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.