ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,078, issued on May 20, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).

"Dissolvable toilet brush formulations having beneficial ratios of soap to surfactant" was invented by Christopher Michael Rodriguez (Brewster, N.Y.), Daniel Thomas Piorkowski (Fairfield, Conn.), Juan Salas (Norwalk, Conn.) and John Daniel Konikowski (Middletown, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions are provided for dissolvable solid unit dose formulations that can be used with a wand apparatus to clean a toilet surface. The formulations include anionic surfactant, a carbonate or bicarbonate salt, an organic acid, and virgin soap pellets ...