Changing skin-color perception using quantum and optical principles in cosmetic preparations
US8518445B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2007 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Mar 23, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/651
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention teaches how to change the skin color perception, mainly the facial color from red, blue or yellow to white appearance, using quantum and optical principles. By selecting the right size and material of particles compounded in cosmetic preparations and applying the preparations to the skin, the scattering and/or emission from micro- and nanoparticles can provide a complementary color or in proximity to that complementary color of the skin color. The mixture of the color provided by the particles and the reflected color from the skin will whiten the skin or make inconspicuous of the hyperchromic portion of the skin. The invention can also be used for other applications in which the particles can be applied to a surface or blended into a material, such as, for example, automobile paint, house paint, glass color and nail polish.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.