ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,691, issued on April 15, was assigned to LanzaTech Inc. (Skokie, Ill.).
"Process for purification of products" was invented by Ralph Gillespie (Skokie, Ill.), Michelle Kocal (Skokie, Ill.), Wyatt Eric Allen (Skokie, Ill.), Richard R Rosin (Skokie, Ill.) and Donovan Tran (Skokie, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure is directed to an apparatus and method for recovering ethanol from a fermentation broth. The fermentation broth comprises microbial biomass, ethanol, methanol, ethyl acetate, at least one thiol, and at least one compound having 3 or more carbon atoms. The method comprises separating at least microbial biomass ...