US Patent Issued to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN on Aug. 11 for "Method for purifying a feedstock resulting from a method for depolymerizing styrene compounds" (French Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,670, issued on Aug. 11, was assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN (Clermont-Ferrand, France).

"Method for purifying a feedstock resulting from a method for depolymerizing styrene compounds" was invented by Nuno Pacheco (Clermont-Ferrand, France), Pierre Kiener (Clermont-Ferrand, France) and Pierre Sere-Peyrigain (Clermont-Ferrand, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the purification of a feedstock resulting from a process for the depolymerization of styrene compounds, referred to as feedstock of the purification process, comprises at least a separation step producing an extract rich in light compo...