Process for preparing stable oil-in-water emulsions
US4254104A · kind A · utility
147Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1975 |
| Grant date | Mar 3, 1981 |
| Priority date | — |
| Expiry date | Nov 12, 1995 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A process for preparing a stable oil-in-water emulsion which comprises: adding a hydrophilic nonionic surface active agent to a water-soluble solvent; adding an oil phase thereto to form an emulsion of the oil phase in the water-soluble solution; and adding a water phase to the resulting emulsion. Cosmetics including such oil-in-water emulsions are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.