US Patent Issued to PTT GLOBAL CHEMICAL on Aug. 5 for "Catalyst composition for cyclic carbonate production from CO 2 and olefins" (Thai Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,406, issued on Aug. 5, was assigned to PTT GLOBAL CHEMICAL PUBLIC COMPANY Ltd. (Chatuchak, Thailand).

"Catalyst composition for cyclic carbonate production from CO 2 and olefins" was invented by Kunnigar Vongnam (Nonsang, Thailand), Nopparat Thavornsin (Pakkred, Thailand), Pornpen Sae-Ung (Muangnakornpathom, Thailand), Sophon Kaeothip (Chatuchak, Thailand), Anucha Euapermkiati (Chatuchak, Thailand) and Khamphee Phomphrai (Buengkum, Thailand).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to catalyst composition for cyclic carbonate production from CO2 and olefins using halohydrin agent as the co-reactant under mild condit...