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:
Aug. 11, 2026
Filed:
Jun. 09, 2021
Novelis Inc., Atlanta, GA (US);
Michèle Edith Berner, Sion, CH;
Mathilde Guèrin, Sierre, CH;
Holger Frauenrath, Lausanne, CH;
Reuben Yeo, Lausanne, CH;
Enzo Bomal, Lausanne, CH;
Piotr Mocny, Lausanne, CH;
Julian Nicolas Bleich, Lausanne, CH;
Novelis Inc., Atlanta, GA (US);
Abstract
Described herein are graft copolymer pretreatment compositions that impart improved corrosion resistance, enhanced adhesion performance, lubrication, improved coating performance (e.g., enhanced wettability), and/or improved weldability and/or weld durability to metals (e.g., aluminum alloys) as compared to non-pretreated metal surfaces. Also provided herein are aluminum alloys coated with the disclosed graft copolymer pretreatment compositions and methods for applying the disclosed graft copolymer pretreatment compositions to aluminum alloys.