ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,442, issued on Aug. 26, was assigned to Altek Europe Ltd. (Derbyshire, Great Britain).
"Processing methods and processing apparatus" was invented by Alan Peel (Derbyshire, Great Britain) and Andrew Gibbs (Derbyshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for processing a material are provided, the material being the upper layer from a metal melting process, the material containing one or more salts, the material containing one or more metals, the salts and/or metals being recycled as a result of the method/apparatus. The method includes feeding the material to a leaching step; obtaining a leachate from t...