MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202517065927 A) filed by Evonik Oxeno Gmbh & Co. Kg, Marl, Germany, on July 10, for 'energy-efficient process for separating butenes from c4-hydrocarbon streams.'
Inventor(s) include Paul, Niklas; Rix, Armin Matthias; Schroder, Moritz; Six, Tanita Valerie; Oldenkott, Andreas; Woldt, Benjamin; Beck, Thomas; Hohmann, Dietmar; Volle, Stefan; and Branges, Roland.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "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."
The patent application was internationally filed on Dec. 07, 2023, under International application No.PCT/EP2023/084759.
Disclaimer: Curated by HT Syndication.
