ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,751,452, issued on Oct. 6, was assigned to Thor GmbH (Speyer, Germany).

"Method for treating technical products" was invented by Rudiger Baum (Speyer, Germany), Thomas Wunder (Neustadt a.d. Weinstrasse, Germany) and Roman Grabbe (Neustadt/Weinstrasse, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for reducing microbial infestation of an aqueous technical product, comprising the steps: (a) providing an aqueous technical product, for example a dye, having a pH in the range of 7.0-9.5 and containing: i. 25-100 ppm 5-chloro-2-methyl-4-isothiazolone (CMIT) and ii. 50-1000 ppm of one or more zinc compound(s), selected...