US Patent Issued to KELLOGG BROWN & ROOT on March 25 for "Thermally coupled distillation scheme for purification of cumene" (Texas Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,313, issued on March 25, was assigned to KELLOGG BROWN & ROOT LLC (Houston).

"Thermally coupled distillation scheme for purification of cumene" was invented by Rian Reyneke (Katy, Texas) and Eric Wing-Tak Wong (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for purifying cumene may include splitting an alkylation reaction product into a first portion and a second portion; feeding the first portion as mostly a liquid into a benzene column; at least partially vaporizing the second portion in a heater; feeding the at least partially vaporized second portion into the benzene column. A method for purifying cumene may also include the st...