US Patent Issued to UNIVERSITY OF SOUTH CAROLINA on Dec. 16 for "Upgrading of bio-oil using ammonia" (South Carolina, Texas Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,568, issued on Dec. 16, was assigned to UNIVERSITY OF SOUTH CAROLINA (Columbia, S.C.).

"Upgrading of bio-oil using ammonia" was invented by Michael M. Royko (Houston), Samuel M. Drummond (Columbia, S.C.) and Jochen Lauterbach (Columbia, S.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for upgrading a bio-oil are described. The methods utilize gaseous ammonia to react with one or more components of a bio-oil and thereby upgrade the bio-oil and separate the resulting mixture into organic and aqueous phases. Both the aqueous phase and the organic phase produced by the process can contain useful species such as ammonium species and an organic...