US Patent Issued to INSTITUT DE RECHERCHE TECHNOLOGIQUE MATERIAUX METALLURGIE PROCEDES on Aug. 26 for "Chemical polishing bath for aluminum and aluminum alloys, and method using such a bath" (French Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,471, issued on Aug. 26, was assigned to INSTITUT DE RECHERCHE TECHNOLOGIQUE MATERIAUX METALLURGIE PROCEDES (Metz, France).

"Chemical polishing bath for aluminum and aluminum alloys, and method using such a bath" was invented by Jerome Frayret (Le Triadou, France), Joffrey Tardelli (Bertrange, France) and Loic Exbrayat (Illkirch Graffenstaden, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A chemical polishing bath for polishing a part made of aluminum or of aluminum alloy, or a portion of such a part, which bath includes an oxidizing agent capable of attacking the aluminum, chosen from nitric acid, hydrogen peroxide, permanganate, or a mixtur...