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:
May. 21, 2024
Filed:
Jul. 28, 2020
Applicant:
Ewald Dörken Ag, Herdecke, DE;
Inventors:
Holger Grolmes, Erwitte, DE;
Christopher Köster, Herdecke, DE;
Ingo Klüppel, Bochum, DE;
Marcel Roth, Düsseldorf, DE;
Assignee:
Ewald DÖRKEN AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/30 (2006.01); C23C 22/06 (2006.01); C23C 22/34 (2006.01);
U.S. Cl.
CPC ...
C23C 22/06 (2013.01);
Abstract
The present invention relates to a method for adjusting a passivation composition by determining the redox potential of a passivation composition as well as to a method for passivating metallic substrates by treatment with a passivation composition.