Process for the preparation of microcapsules or liposomes of controlled sizes
US5792472A · kind A · utility
12Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1994 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Dec 13, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2984
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Process for the preparation of microcapsules with controlled sizes in which a homogeneous liquid crystal lamellar phase is prepared comprising at least one surfactant and at least one solvent and, if need be, one substance to be encapsulated. The invention is characterized in that the lamellar phase is subjected to constant shearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.