US Patent Issued to The Board of Trustees of Western Michigan University on Nov. 25 for "Fractionation of woody biomass using phenol-4-sulfonic acid (PSA)" (Michigan Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,962, issued on Nov. 25, was assigned to The Board of Trustees of Western Michigan University (Kalamazoo, Mich.).

"Fractionation of woody biomass using phenol-4-sulfonic acid (PSA)" was invented by Qiang Yang (Portage, Mich.) and Duo He (Kalamazoo, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of fractionating lignocellulosic biomass includes fractionating lignocellulos biomass in an aqueous phenol-4-sulfonic acid (PSA). The process may provide complete or nearly complete fractionation under mild conditions."

The patent was filed on May 17, 2022, under Application No. 17/746,346.

*For further information, including images, charts an...