Patents by Inventor Roland BRANGES

Roland BRANGES has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • ENERGY-EFFICIENT PROCESS FOR SEPARATING BUTENES FROM C4-HYDROCARBON STREAMS
    Publication number: 20260217631
    Abstract: The invention relates to a process for separating butenes from C4-hydrocarbon streams containing butanes as well as butenes by means of extractive distillation with a suitable solvent. The process according to the invention is characterized in that in the inlet region of at least one packed bed of the absorber there are packing elements of lower specific surface area than in the rest of the packed bed.
    Type: Application
    Filed: December 7, 2023
    Publication date: July 30, 2026
    Applicant: EVONIK OXENO GMBH & CO. KG
    Inventors: Niklas PAUL, Armin Matthias RIX, Moritz SCHRÖDER, Tanita Valèrie SIX, Andreas OLDENKOTT, Benjamin WOLDT, Thomas BECK, Dietmar HOHMANN, Stefan VOLLE, Roland BRANGES