Stable water-in-oil emulsions
US4384974A · kind A · utility
25Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1979 |
| Grant date | May 24, 1983 |
| Priority date | — |
| Expiry date | Jul 27, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Stable water-in-oil emulsions having water concentrations as high as 85% are obtained with the use of block polymer surfactants such as poloxamers and poloxamines and cosmetically acceptable surfactants having a hydrophylic-lipophilic balance of less than 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.