ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,759, issued on March 31, was assigned to CHENIERE ENERGY INC. (Houston).

"Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants" was invented by Hamish David William Horne (Katy, Texas), Scott Oliver (Houston), Timothy King Jordan (Lake Charles, La.) and Matthew Peter Henderson (Port Neches, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments provide a method for preventing shutdowns in LNG facilities by removing heavy hydrocarbons from the inlet gas supply. According to an embodiment, there is provided an LNG facility treating pipeline quality natural gas that is contaminated with lubrication oil and low concentration...