ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,077, issued on May 12, was assigned to OHIO NORTHERN UNIVERSITY (Ada, Ohio).
"Fluorosurfactant detection" was invented by Jake R. Zimmerman (Ada, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method may comprise: exposing a substituted chromone dissolved in a solvent to a sample; taking a fluorescence measurement of the sample after exposure to the substituted chromone; and determining a presence or absence of one or more ions in the sample, a concentration of the one or more ions in the sample, or both based on the fluorescence measurement."
The patent was filed on Aug. 13, 2021, under Application No. 18/167,945.
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