ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,844, issued on March 18, was assigned to SIXRING INC. (Calgary, Canada).
"Approach to biomass delignification" was invented by Clay Purdy (Medicine Hat, Canada), Markus Weissenberger (Calgary, Canada), Markus Pagels (Calgary, Canada), Kyle G Wynnyk (Calgary, Canada), Matthew Dewit (Calgary, Canada) and Andrew M Corbett (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 fibres and lignin; exposing said plant material requiring to a composition comprising: an acid; a capping agent; and a peroxide;for a period of time su...