ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,679, issued on June 10, was assigned to STAMICARBON B.V. (Sittard, Netherlands).
"Ferritic steel parts in urea plants" was invented by Kirk Anguah Ofei (Eindhoven, Netherlands) and Alexander Aleida Antonius Scheerder (Roosteren, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The application provides in an aspect a process for producing urea in a urea plant comprising a high pressure synthesis section comprising a reactor, wherein the process comprises reacting NH3 feed and CO2 feed under urea formation conditions in said reactor to form a urea synthesis solution comprising urea, water, carbamate and ammonia, wherein the process further c...