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Hair treatment process providing dispersed colors by light diffraction

United States Patent

December 22, 2015
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A hair treatment process for providing dispersed colors by light diffraction including (a) coating the hair with a material comprising a polymer, (b) pressing the hair with a pressing device including one or more surfaces, and (c) forming a secondary nanostructured surface pattern on the hair that is complementary to the primary nanostructured surface pattern on the one or more surfaces of the pressing device. The secondary nanostructured surface pattern diffracts light into dispersed colors that are visible on the hair. The section of the hair is pressed with the pressing device for from about 1 to 55 seconds. The polymer has a glass transition temperature from about C. to about C. The one or more surfaces include a primary nanostructured surface pattern.
Sutton; Richard Matthew Charles (Cincinnati, OH), Lamartine; Bruce Carvell (Los Alamos, NM), Orler; E. Bruce (Blacksburg, VA), Song; Shuangqi (Houston, TX)
The Procter & Gamble Company (Cincinnati, OH), Los Alamos National Security LLC (Los Alamos, NM)
14/ 229,414
March 28, 2014
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. DE-AC52-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.