Emulsifier composition for skin care formulations
US5849315A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | May 8, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An emulsifier composition for skin care formulations, which is present in the form of a bilayer lamellar gel network, which is stable up to a temperature of about 50.degree. C., comprising by weight, about 3-40% of a high HLB swellant which is lecithin, and a blend of low HLB emulsifier gellants, to 100%, the blend of gellants having a resultant HLB of about 1.5 to about 5. In a skin care formulation, the lamellar gel network forms a discrete third phase between the oil and water phases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.