ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,014, issued on April 29, was assigned to Thor GmbH (Speyer, Germany).

"Aqueous 1,2-benzisothiazolin-3-one concentrates" was invented by Rudiger Baum (Neulussheim, Germany), Thomas Wunder (Neustadt a.d. Weinstrasse, Germany), Hans-Jurgen Schmidt (Speyer, Germany) and Peter Erich Hahn (Lampertheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an aqueous biocide composition, containing the following components: (a) 9 wt. % to 20 wt. % 1,2-benzisothiazolin-3-one, (b) a dissolved alkalizing agent, containing 0.95 to 1.05 mol sodium and potassium hydroxide, each based on one mol of the 1,2-benzisothiazolin-3-one present a...