ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,795, issued on Aug. 19, was assigned to SK CHEMICALS Co. LTD. (Seongnam-si, South Korea).
"Polymerizable composition, and copolycarbonate ester and method for producing same" was invented by Kwang Sei Oh (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A copolycarbonate ester produced from a polymerizable composition according to the present invention can have various physical properties including a melt flow index (MFI) of 43 g/10 minutes to 85 g/10 minutes under a load of 2.16 kg at 260degC. according to ASTM D1238 by being copolymerized through the melt-polycondensation of: 1,4:3,6-dianhydrohexitol and/or a diol compound o...