Patent · US Active

Sweat mapping method

US12064253B2 · kind B2 · utility

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14Claims
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Key dates

Filing dateFeb 27, 2019
Grant dateAug 20, 2024
Priority date
Expiry dateSep 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.