ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,067, issued on April 15, was assigned to SIXRING INC. (Calgary, Canada).
"Modified alkanesulfonic acid and uses thereof" was invented by Clay Purdy (Medicine Hat, Canada), Markus Weissenberger (Calgary, Canada), Kyle G. Wynnyk (Calgary, Canada) and Karl W. Dawson (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Method of delignification of plant material, said method comprising: providing said plant material comprising cellulose fibers and lignin; exposing said plant material requiring to a composition comprising: alkanesulfonic acid; and a peroxide, wherein said alkylsulfonic acid and peroxide are present in a molar ratio ranging 1:1 ...