ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,454, issued on April 22, was assigned to Solvay SA (Brussels).
"Flux for brazing" was invented by Ulrich Seseke-Koyro (Isernhagen, Germany) and Andreas Becker (Lachendorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention concerns a flux for brazing, a process for brazing metal parts employing said flux, a flux composition containing said flux, aluminum parts coated with said flux or said flux composition, a process for brazing and a brazed metal object obtainable by said brazing process. The flux is high in KAlF4 and low in K3AlF6."
The patent was filed on Nov. 25, 2020, under Application No. 17/104,661.
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