Patent · US Active

Method for detecting the presence of a contaminant in a liquid

US11609221B2 · kind B2 · utility

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3References
19Claims
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Key dates

Filing dateJul 18, 2018
Grant dateMar 21, 2023
Priority date
Expiry dateSep 8, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/186
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention relates to an autonomous method for the online evaluation of the toxicity of aqueous solutions by analysis of the locomotor behavior of small-sized aquatic benthic macroinvertebrates (0.1 cm-5 cm) maintained in the lethargic state.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.