Transparent oil-in-water emulsion
US7488471B2 · kind B2 · utility
4Cited by
55References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2002 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Sep 10, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/262
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to transparent or clear emulsions for cosmetic or pharmaceutical use. The transparent emulsions of the present invention comprise an oil phase, containing at least one lipophilic solvent; an aqueous phase; and an emulsifying system containing at least one non-ethoxylated fatty acid ester emulsifier having a hydrophilic-lipophilic balance (“HLB”) from about 11 to about 16. Preferred non-ethoxylated fatty acid ester emulsifiers are sucrose esters, in particular sucrose palmitate and sucrose laurate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.