US Patent Issued to TotalEnergies Corbion on July 8 for "Process for preparing stabilized aliphatic polyester, and compositions obtained therewith" (Dutch Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,678, issued on July 8, was assigned to TotalEnergies Corbion B.V. (Gorinchem, Netherlands).

"Process for preparing stabilized aliphatic polyester, and compositions obtained therewith" was invented by Gerrit Gobius Du Sart (DA Herwijnen, Netherlands) and Wilko De Lang (Utrecht, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for the preparation of a composition comprising aliphatic polyester by ring-opening polymerization of cyclic ester monomers, said process comprising the steps of: (a) providing cyclic ester monomers and polymerization catalyst to a reactor, (b) melt polymerizing said cyclic est...