ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,377, issued on Aug. 26, was assigned to NOVELIS KOBLENZ GMBH (Koblenz, Germany).

"Aluminum alloy multi-layered brazing sheet material for fluxfree brazing" was invented by Bernd Jacoby (Limburg, Germany), Fabian Ritz (Otzingen, Germany), Arne Schlegel (Aachen, Germany), Steven Kirkham (Ransbach-Baumbach, Germany) and Axel Alexander Maria Smeyers (Heist op den Berg, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aluminium alloy multi-layered brazing sheet product for brazing in an inert-gas atmosphere without a flux includes a core layer made of a 3xxx alloy including 0.20-0.75 wt. % Mg, and provided with a covering clad layer including 2-...