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:
Feb. 06, 2024
Filed:
Jun. 11, 2019
Applicant:
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Inventors:
Donald Robb Vonk, Clinton Township, MI (US);
Louis Patrick Rector, Rochester Hills, MI (US);
Assignee:
Henkel AG & Co. KGaA, Duesseldorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 179/02 (2006.01); B32B 15/04 (2006.01); B32B 15/08 (2006.01); C23C 22/05 (2006.01); C23C 22/06 (2006.01); C23C 22/50 (2006.01); C23C 22/56 (2006.01); C23C 22/60 (2006.01); C23C 22/73 (2006.01); C23C 22/76 (2006.01); C23C 22/82 (2006.01); C23F 11/04 (2006.01); C08K 5/105 (2006.01); C09D 133/00 (2006.01); C09D 5/00 (2006.01); C09D 7/63 (2018.01); C23C 22/34 (2006.01); C23C 22/48 (2006.01); C23C 22/53 (2006.01); C23C 22/78 (2006.01); C23C 22/83 (2006.01); C23F 11/173 (2006.01); C08G 73/02 (2006.01); B05D 7/00 (2006.01); C23C 22/07 (2006.01);
U.S. Cl.
CPC ...
C09D 179/02 (2013.01); B32B 15/04 (2013.01); B32B 15/08 (2013.01); C23C 22/05 (2013.01); C23C 22/06 (2013.01); C23C 22/07 (2013.01); C23C 22/50 (2013.01); C23C 22/56 (2013.01); C23C 22/60 (2013.01); C23C 22/73 (2013.01); C23C 22/82 (2013.01); C23F 11/04 (2013.01);
Abstract
The corrosion resistance of conversion-coated metal substrate surfaces is further enhanced by treating such surfaces with aqueous mixtures of preformed reaction products obtained by reacting catechol compounds, such as dopamine or a dopamine salt, and functionalized co-reactant compounds, such as a polyethyleneimine.