ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,424, issued on Jan. 27, was assigned to Evonik Operations GmbH (Essen, Germany).
"Extraction of aliphatic alcohols" was invented by Thomas Haas (Munster, Germany) and Christian Richter (Munster, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of extracting an aliphatic alcohol, preferably containing 5 to 16 carbon atoms, from an aqueous medium, the method comprising: (a) contacting the aliphatic alcohol in the aqueous medium with at least one extracting medium for a time sufficient to extract the aliphatic alcohol from the aqueous medium into the extracting medium, (b) separating the extracting medium...