US Patent Issued to LG CHEM on June 3 for "Method of preparing acrylonitrile dimer" (South Korean Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,642, issued on June 3, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method of preparing acrylonitrile dimer" was invented by Yu Jin An (Daejeon, South Korea), Wan Kyu Oh (Daejeon, South Korea), Ji Ha Kim (Daejeon, South Korea), Hyun Chul Jung (Daejeon, South Korea), Sae Hume Park (Daejeon, South Korea) and Jeong Heon Ahn (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of preparing an acrylonitrile dimer including: supplying an acrylonitrile monomer, a phosphorus-based catalyst, and an alcohol solvent to a reactor to perform a dimerization reaction to produce dimerized reactants (S10); cooling the dimer...