US Patent Issued to Evonik Oxeno on Nov. 18 for "Process for removing butenes from C4-hydrocarbon streams and two-stage evaporation" (German Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,245, issued on Nov. 18, was assigned to Evonik Oxeno GmbH & Co. KG (Marl, Germany).

"Process for removing butenes from C4-hydrocarbon streams and two-stage evaporation" was invented by Tanita Valerie Six (Dortmund, Germany), Armin Matthias Rix (Marl, Germany), Moritz Schroder (Muenster, Germany), Stephan Peitz (Oer-Erkenschwick, Germany), Niklas Paul (Marl, Germany), Philip Lutze (Dinslaken, Germany), Andreas Oldenkott (Haltern am See, Germany), Franz-Josef Stock (Haltern am See, Germany) and Marius Tiesbohnenkamp (Bochum, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for removing butenes from C4-hydrocarbon streams containing but...