ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,977, issued on May 12, was assigned to thyssenkrupp Fertilizer Technology GmbH (Dortmund, Germany) and thyssenkrupp AG (Essen, Germany).
"Method for producing a fertilizer" was invented by Harald Franzrahe (Dortmund, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a fertilizer that comprises urea and/or at least one ammonium compound may involve obtaining ammonia as an impurity in the production process, and photocatalytically decomposing the ammonia by irradiation with UV radiation. Further, an apparatus for producing fertilizer granules that comprise urea and/or at least one ammonium compound may include a plant sectio...