ALEXANDRIA, Va., March 17 -- United States Patent no. 12,577,204, issued on March 17, was assigned to BASF SE (Ludwigshafen Am Rhein, Germany).

"Solution of tempo-derivatives for use as electrolyte in redox-flow cells" was invented by Alexander Michael Haydl (Ludwigshafen am Rhein, Germany), Peter Oechsle (Ludwigshafen am Rhein, Germany), Harald Winsel (Ludwigshafen am Rhein, Germany), Jan-Dirk Arndt (Ludwigshafen am Rhein, Germany), Joaquim Henrique Teles (Ludwigshafen am Rhein, Germany), Johann-Peter Melder (Ludwigshafen am Rhein, Germany), Olaf Kriha (Ludwigshafen am Rhein, Germany) and Rainer Klopsch (Ludwigshafen am Rhein, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention rela...