ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,919, issued on April 15, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Process for making a granule or powder" was invented by Frank Jaekel (Ludwigshafen, Germany), Michael Klemens Mueller (Ludwigshafen, Germany) and Astrid Schmidt (Ludwigshafen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Process making a powder or granule containing (A) at least one chelating agent selected from alkali metal salts of methyl glycine diacetic acid (MGDA) and of glutamic acid diacetate (GLDA) and of iminodisuccinic acid (IDS), (B) at least one alkali metal silicate, and (C) at least one (co)polymer containing carboxylic acid group, partially ne...