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, 2025
Filed:
Jun. 10, 2021
Applicant:
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Inventor:
Donald R. Vonk, Clinton Township, MI (US);
Assignee:
Henkel AG & Co. KGaA, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 22/48 (2005.12); C01G 25/00 (2005.12); C01G 25/02 (2005.12); C23C 22/06 (2005.12); C23C 22/34 (2005.12);
U.S. Cl.
CPC ...
C23C 22/48 (2012.12); C01G 25/006 (2012.12); C01G 25/02 (2012.12);
Abstract
A conversion coating composition for treating a metal surface contains one or more Group IV metal ions, such as titanium, zirconium and/or hafnium metal ions, and one or more phenalkamine compounds, such as a Mannich addition product of cardanol, formaldehyde and a polyamine. The conversion coating composition is an aqueous acidic solution or dispersion. Metal surfaces contacted with the conversion coating composition have enhanced corrosion resistance and paint adhesion characteristics.