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:
Apr. 14, 2026
Filed:
Mar. 22, 2023
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Frank Weinelt, Billerbeck, DE;
Franz-Erich Baumann, Duelmen, DE;
Siegfried R. Waldvogel, Gau-Algesheim, DE;
Joachim Nikl, Frankfurt am Main, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 3/07 (2021.01); C25B 3/23 (2021.01); C25B 9/15 (2021.01); C25B 9/17 (2021.01); C25B 11/043 (2021.01);
U.S. Cl.
CPC ...
C25B 3/07 (2021.01); C25B 3/23 (2021.01); C25B 9/15 (2021.01); C25B 9/17 (2021.01); C25B 11/043 (2021.01);
Abstract
A process produces unsubstituted or at least monosubstituted α,ω-dicarboxylic acids or ketocarboxylic acids and unsubstituted or at least monosubstituted cycloalkanones by electrochemical oxidation of unsubstituted or at least monosubstituted, monounsaturated or poly unsaturated cycloalkenes and unsubstituted or at least monosubstituted, saturated cycloaliphatic hydrocarbons in the presence of an inorganic or organic nitrate salt in an electrolysis cell in a reaction medium in the presence of oxygen.