ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,395, issued on Dec. 23, was assigned to CHRYSO (Issy-les-Moulineaux, France) and SAINT-GOBAIN PLACO (Courbevoie, France).
"Fluidizing compounds for hydraulic compositions" was invented by Antoine Colas (Bourg-la-Reine, France), Vincent Etienne Claude Froidevaux (Pairs, France) and Frederic Leising (Avilly Saint Leonard, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a compound with the following formula (I): as well as the use thereof, in particular as a chelating agent of positively charged ions, or as a fluidizing agent for hydraulic compositions. Also disclosed is a hydraulic composition comprising a compound with formula (I),...