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.

Date of Patent:
Nov. 08, 2022

Filed:

Apr. 07, 2016
Applicant:

Chemetall Gmbh, Frankfurt, DE;

Inventors:

Olaf Dahlenburg, Neu-Isenburg, DE;

Frank Hollmann, Leutkirch, DE;

Michael Droege, Frankfurt am Main, DE;

Thomas Kolberg, Heppenheim, DE;

Lisa Schmeier, Freigericht-Bernbach, DE;

Assignee:

CHEMETALL GMBH, Frankfurt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/82 (2006.01); C23C 22/48 (2006.01); C23C 22/83 (2006.01); C23C 22/18 (2006.01); C23C 22/36 (2006.01); C25D 13/12 (2006.01); C25D 13/20 (2006.01); C23C 22/34 (2006.01); C25D 5/48 (2006.01); C23C 22/78 (2006.01); C23C 22/07 (2006.01);
U.S. Cl.
CPC ...
C23C 22/83 (2013.01); C23C 22/07 (2013.01); C23C 22/182 (2013.01); C23C 22/34 (2013.01); C23C 22/362 (2013.01); C23C 22/364 (2013.01); C23C 22/365 (2013.01); C23C 22/78 (2013.01); C23C 22/82 (2013.01); C25D 5/48 (2013.01); C25D 13/12 (2013.01); C25D 13/20 (2013.01); C23C 2222/20 (2013.01);
Abstract

Provided herein is a method for specifically adjusting the electrical conductivity of a conversion coating, wherein a metallic surface or a conversion-coated metallic surface is treated with an aqueous composition which comprises at least one kind of metal ions selected from the group consisting of the ions of molybdenum, copper, silver, gold, palladium, tin, and antimony and/or at least one electrically conductive polymer selected from the group consisting of the polymer classes of the polyamines, polyanilines, polyimines, polythiophenes, and polypryrols.


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