Water-in-oil emulsion foundation
US7858104B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2003 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Feb 28, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A foundation composition in the form of a water-in-oil emulsion comprising a fatty phase; an aqueous phase; at least one silicone surfacant chosen from C8-C22 alkyl dimethicone copolyols; and at least 5% by weight, relative to the total weight of the composition, of hydrophobic coated pigments; provided that the composition is free of polyglyceryl-4 isostearate or comprises polyglyceryl-4 isostearate in a quantity such that the weight ratio of the C8-C22 alkyl dimethicone copolyol to the polyglyceryl-4 isostearate is greater than or equal to 2:1, wherein the foundation composition can exhibit good stability at room temperature and can be easy to apply to the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.