US Patent Issued to LG CHEM on Sept. 22 for "Method for manufacturing alpha-methylstyrene" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,917, issued on Sept. 22, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method for manufacturing alpha-methylstyrene" was invented by Jangkeun Cho (Daejeon, South Korea), Jooyoung Cheon (Daejeon, South Korea) and Daeheung Choi (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing alpha-methylstyrene includes dehydrogenating cumene in a reactor under a catalyst to manufacture alpha-methylstyrene, wherein one or more of nitrogen (N2) and carbon dioxide (CO2) are added during the dehydrogenation reaction of cumene, and wherein the catalyst comprises a carrier, and a metal nitride-based catalyst component ...