US Patent Issued to CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE TOULOUSE III-PAUL SABATIER on June 23 for "Process for the free radical polymerization of thionolactones or thionocarbonates" (French Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,569, issued on June 23, was assigned to CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris) and UNIVERSITE TOULOUSE III-PAUL SABATIER (Tolouse, France).

"Process for the free radical polymerization of thionolactones or thionocarbonates" was invented by Simon Harrisson (Cadaujac, France) and Mathias Destarac (Balma, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing preferably degradable copolymers by free radical ring-opening polymerization using thionolactone monomers or thionocarbonate monomers, in the presence of a radical polymerization initiator. Also, the copolymers, which include thioester or thiocarbonate bonds, t...