ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,853, issued on July 29, was assigned to SIXRING INC. (Calgary, Canada).
"Modified sulfuric acid and uses thereof" was invented by Clay Purdy (Medicine Hat, Canada), Markus Weissenberger (Calgary, Canada), Markus Pagels (Calgary, Canada) and Kyle G Wynnyk (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "One-pot processes to separate lignin from a lignocellulosic feedstock include providing a vessel; providing a lignocellulosic feedstock; providing an aqueous composition comprising an acid, a modifying agent comprising a substituted aromatic compound, and a peroxide; and exposing the lignocellulosic feedstock to the composition in the v...