US Patent Issued to SHELL USA on Nov. 25 for "Process for the preparation of ethylene glycol" (Dutch, American Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,781, issued on Nov. 25, was assigned to SHELL USA INC. (Houston).

"Process for the preparation of ethylene glycol" was invented by Jesse Raymond Black (Houston), Gregory John Ward (Houston), Christopher Paul Emborsky (Houston) and Roel Guillaume Hubertus Leonardus Bastings (Amsterdam).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the preparation of ethylene glycol comprising the steps of: a) supplying a first gas composition comprising ethylene oxide and carbon dioxide to an ethylene oxide absorber and allowing the gas composition to pass upwards through an absorption section; b) supplying a lean absorbent to the top of the absorption ...