ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,634, issued on July 29, was assigned to SK ECO PRIME Co. LTD. (Ulsan, South Korea).
"Method for preparing bio-oil from fatty acid with high acid value" was invented by Mi Ran Lee (Seongnam-si, South Korea), Hyun Jun Cho (Seongnam-si, South Korea) and Han Seok Kim (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for preparing bio-oil, which can be used as bio heavy fuel oil and bio marine oil, from a fatty acid with high acid value. The method for preparing bio-oil comprises the steps of: inputting materials comprising glycerine and a fatty acid into respective material input ports positioned in the cente...