US Patent Issued to Topsoe on Feb. 17 for "Method for the control of pressure in a loop for the preparation of ammonia or methanol" (Danish Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,677, issued on Feb. 17, was assigned to Topsoe A/S (Kgs. Lyngby, Denmark).

"Method for the control of pressure in a loop for the preparation of ammonia or methanol" was invented by Christian Henrik Speth (Lynge, Denmark), Michael Hultqvist (Bagsvaerd, Denmark) and Pat A. Han (Smorum, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method for the control of pressure in a loop for the preparation of ammonia or methanol by means of an anti-surge control valve of a compressor and/or a compressor flow regulation valve for the recirculation of loop recirculation gas at variating flow supply of fresh synthesis gas."

The patent was filed on May 14, ...