ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,061, issued on Sept. 9, was assigned to Evonik Operations GmbH (Essen, Germany).
"Spray evaporation of a liquid raw material for preparation of silicon dioxide and metal oxides" was invented by Joachim Erz (Schworstadt, Germany), Claudia Severin (Hofheim, Germany) and Maximilian Cornelius (Frankfurt am Main, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing a metal oxide, comprising a) spraying a liquid raw material comprising at least one metal compound by mixing it with a gas to form an aerosol; b) forming a gaseous reaction mixture from the aerosol obtained in step a) by complete evap...