ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,496, issued on May 6, was assigned to SHELL USA INC. (Houston).
"Process and apparatus for the preparation of alkylene glycol" was invented by Jesse Raymond Black (Houston), Peter Mervyn Wilkinson (Bangalore North, India), Christopher Paul Emborsky (Houston), Roel Guillaume Hubertus Leonardus Bastings (Amsterdam) and Benedict Ignatius Maria Ten Bosch (Amsterdam).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the preparation of an alkylene glycol from an alkene comprising steps of: a) supplying a gas composition to an alkylene oxide absorber through a gas inlet, the absorber comprising an absorption section and a sump, and allowing the g...