Sweat mapping method
US12064253B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Feb 27, 2019 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Sep 8, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/7786
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for mapping sweat production from the human skin, said method comprising the application of a polydiacetylene (PDA) prepared from a derivative of a conjugated diynoic acid having at least 18 carbon atoms, wherein the PDA changes colour when exposed to sweat, but does not change colour when exposed to pure water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.