Method for evaluating cosmetic
US9714936B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Dec 20, 2012 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Dec 20, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2500/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
It is an object of the invention to provide a method for evaluating cosmetics that allows development of cosmetics that can contribute to beautiful healthy skin. The object is achieved by a method of evaluating improvement in skin by an applied cosmetic, using as the index the change in stratum corneum thickness during the process of moistening and drying.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.