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:
Jun. 16, 2026
Filed:
Jan. 27, 2022
Evonik Operations Gmbh, Essen, DE;
Dirk Roettger, Cologne, DE;
Sebastian Reimann, Wesseling, DE;
Niklas Paul, Marl, DE;
Armin Matthias Rix, Marl, DE;
Philip Zitzewitz, Haltern am See, DE;
Moritz Schröder, Münster, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
The present invention relates to a process for preparing alkali metal alcoholates in counter flow by way of reactive rectification, the alkali metal being selected from sodium and potassium. The process is carried out in at least one reaction column and at least one rectification column. The process according to the invention is characterized in that the heating steam used for operating the columns and thus for carrying out the process condenses, and that the energy is used in the condensed water.