Multiple emulsions and methods of preparation
US5622649A · kind A · utility
38Cited by
105References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1994 |
| Grant date | Apr 22, 1997 |
| Priority date | — |
| Expiry date | Aug 16, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F23/4105
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Water-in-oil and water-n-oil-in-water multiple emulsions and methods of preparation employing polyoxyethylene polyoxypropylene block copolymers added to the inner aqueous phase during preparation of said emulsions. The emulsions are useful in numerous applications including, but not limited to, vaccine adjuvants, pharmaceuticals, cosmetics, foods, and various household and industrial uses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.