US Patent Issued to MITSUBISHI CHEMICAL UK on Oct. 7 for "Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters" (British, Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,225, issued on Oct. 7, was assigned to MITSUBISHI CHEMICAL UK Ltd. (Billingham, Great Britain).

"Catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters" was invented by Jonathan Runnacles (Redcar, Great Britain), David William Johnson (Redcar, Great Britain), Toshio Hasegawa (Hiroshima, Japan), Kazufumi Nishida (Hiroshima, Japan) and Wataru Ninomiya (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a catalyst comprising a silica support, a modifier metal and a catalytic alkali metal. The silica support has a multimodal pore size distribution comprising a mesoporous pore...