ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,623, issued on May 26, was assigned to NESTE OYJ (Espoo, Finland).
"Method for upgrading bio-based material and upgraded material" was invented by Antti Ojala (Porvoo, Finland), Jukka Myllyoja (Porvoo, Finland), Jaana Makkonen (Porvoo, Finland), Rogier Van De Velde (Porvoo, Finland) and John Jamieson (Porvoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for upgrading a bio-based material, the method including the steps of pre-treating bio-renewable oil(s) and/or fat(s) to provide a bio-based fresh feed material, hydrotreating the bio-based fresh feed material, followed by separation, to provide a bio-propane composition...