Storage stability of aqueous dispersions of spherules
US4247411A · kind A · utility
116Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1979 |
| Grant date | Jan 27, 1981 |
| Priority date | — |
| Expiry date | Jan 31, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/812
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aqueous dispersions of spherules in the form of organized molecular layers of lipids, between which is encapsulated an aqueous phase containing at least one active substance are rendered more storage-stable by lyophilization. They can readily be reconstituted by re-hydration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.