ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,868, issued on Feb. 10, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Powders and granules and process for making such powders and granules" was invented by Markus Hartmann (Ludwigshafen, Germany), Michael Klemens Mueller (Ludwigshafen, Germany), Frank Jaekel (Ludwigshafen, Germany) and Carsten Sueling (Ludwigshafen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed towards a process for making a powder or granule containing (A) at least one alkali metal salt of citric acid, and at least one additive selected from (B) at least one (co)polymer containing carboxylic acid groups, partially neutralized...