Oil-in-water emulsion composition and method for producing the same
US8673326B2 · kind B2 · utility
0Cited by
5References
16Claims
0Family size
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Key dates
| Filing date | Apr 25, 2008 |
| Grant date | Mar 18, 2014 |
| Priority date | — |
| Expiry date | Apr 16, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/75
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides an oil-in-water emulsion composition having excellent emulsion stability, low sticky feeling, and low skin irritation. The oil-in-water emulsion composition according to the present invention comprising (a) 1 to 20 mass % of a powder component, (b) 0.001 to 0.5 mass % of a cationic surfactant having two alkyl chains with 12 or more and 22 or less carbon atoms, (c) an oil phase component, and (d) a water phase component, having a structure wherein (a) powder particles are adsorbed on the oil droplets dispersed in the water phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.