ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,151, issued on April 8, 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: "A one-pot process to separate lignin from a lignocellulosic feedstock includes providing a vessel; providing a lignocellulosic feedstock; providing a composition comprising an acid, a modifying agent comprising a carbonyl-containing nitrogenous base compound, and a peroxide; exposing the lignocellulosic feedstock to the composition in t...