The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 20, 2026
Filed:
Nov. 25, 2024
Evonik Oxeno Gmbh & Co. KG, Marl, DE;
Niklas Paul, Marl, DE;
Armin Matthias Rix, Marl, DE;
Tanita Valèrie Six, Dortmund, DE;
Tanja Steenweg, Dortmund, DE;
Stephan Peitz, Oer-Erkenschwick, DE;
Guido Stochniol, Haltern am See, DE;
Vinzenz Fleischer, Marl, DE;
Lea Wessner, Dortmund, DE;
Moritz Schröder, Muenster, DE;
Evonik Oxeno GmbH & Co. KG, Marl, DE;
Abstract
A process separates 1-butene from a hydrocarbon stream containing at least 1-butene, 2-butene, n-butane and isobutane in a separation unit having at least two distillation columns DKand DK, wherein the heat of condensation is recirculated into the process by optimized vapour compression in order to save energy costs and COemissions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile