ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,300, issued on May 27, was assigned to LanzaTech Inc. (Skokie, Ill.).
"Process for recovering close boiling products" was invented by Allan Haiming Gao (Skokie, Ill.), Robert John Conrado (Skokie, Ill.), Derek Wayne Griffin (Skokie, Ill.) and Peng Tian (Skokie, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure is directed to a method for recovering products from a fermentation broth. The disclosure relates to the use of extractive distillation to recover products which have close boiling points, such as ethanol and isopropanol, from a fermentation broth. In an embodiment, the recovery of product is completed in a manner that minimiz...