Cosmetic compositions comprising a fine and porous powder
US7700124B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2005 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Jan 14, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is a water/oil emulsion including a porous powder, the particles of the powder having the following characteristics: The mean diameter of the particles of the powder is between 2 μm and 100 μm, preferably from 2 to 50 μm, more advantageously still from 2 to 20 μm. The powder is chosen from a powder formed of polyamides, of polyesteramides, of polyurethanes, of poly(methyl methacrylate)s, of acrylic polymers, of polyesters, of silicones, of polyethylenes and of silicas. The invention further relates to the use of the emulsion for obtaining a make-up and/or care product for the skin which is nonshiny, nonoily, nonsticky and/or nontacky, as well as the use of the fine powder for improving the feel and/or the appearance of a cosmetic emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.