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:
Sep. 14, 2021
Filed:
Oct. 02, 2018
Applicant:
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Inventors:
Jan-Willem Brouwer, Willich, DE;
Frank-Oliver Pilarek, Cologne, DE;
Fernando Jose Resano Artalejo, Duesseldorf, DE;
Assignee:
Henkel AG & Co. KGaA, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 28/04 (2006.01); C23C 22/73 (2006.01); C09D 5/44 (2006.01); C25D 13/20 (2006.01); C25D 13/04 (2006.01); C25D 13/02 (2006.01); C25D 13/22 (2006.01); C23C 22/83 (2006.01); C23C 22/07 (2006.01); C23G 1/24 (2006.01);
U.S. Cl.
CPC ...
C23C 28/04 (2013.01); C09D 5/4488 (2013.01); C23C 22/73 (2013.01); C23C 22/83 (2013.01); C25D 13/02 (2013.01); C25D 13/04 (2013.01); C25D 13/20 (2013.01); C25D 13/22 (2013.01); C23C 22/07 (2013.01); C23G 1/24 (2013.01);
Abstract
A method for the preliminary treatment against corrosion of a plurality of metallic components, in which dragging of water-soluble phosphates from an acid passivation process using water-dissolved phosphates as the active components, e.g. a phosphating process, into the dip coating treatment stage, is effectively prevented.