ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,123, issued on Feb. 17, was assigned to The Mosaic Co. (Tampa, Fla.).

"Compaction of potash into briquettes" was invented by David Jordison (Regina, Canada) and Kimberly Rinas (Regina, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller press comprising including a roller face defining a plurality of individual reliefs shaped and sized to compress feed material into a plurality of discrete briquettes, each of the individual reliefs defining a quadrilateral shaped depression having rounded corners to reduce stress concentrations in the resulting briquettes, wherein a pair of leading edge rounded corners are defined by a first radius and a ...