Monday - October 5, 2026

Stabilized N,n-Diethyl-P-Phenylenediamine Solution and Method for Detecting Chlorine

2026-08-04

ALEXANDRIA, Virginia, Aug. 4 -- HACH COMPANY, Loveland, Colorado has been assigned a patent (No. US 12699054 B2, initially filed Dec. 28, 2022) developed by Douglas Royer, Gilbert, Iowa, for "Stabilized n,n-diethyl-p-phenylenediamine solution and method for detecting chlorine." . . .

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Stabilized N,n-Diethyl-P-Phenylenediamine Solution and Method for Detecting Chlorine

Information Request Form

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