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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.:

US 12577679 B1

PDFFull Text
Date of Patent:
Mar. 17, 2026

Filed:

Mar. 17, 2021

Aluminum alloy articles exhibiting improved bond durability and methods of making the same

Applicant:

Novelis Inc., Atlanta, GA (US);

Inventors:

Emanuel Beck, Miege, CH;

Alexandre Durussel, Chavannes-près-Renens, CH;

Xavier Varone, Champlan, CH;

Mario A. Salgado-Ordorica, Sion, CH;

Joerg Simon, Varen, CH;

Guillaume Florey, Veyras, CH;

Michele Edith Berner, Sion, CH;

Corrado Bassi, Salgesch, CH;

Cyrille Bezencon, Chermignon d'en-bas, CH;

Mathilde Guerin, Sierre, CH;

Alejandro Puig, Sierre, CH;

Assignee:

Novelis Inc., Atlanta, GA (US);

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Daniel J Schleis

Int. Cl.
CPC ...
C23C 22/83 (2006.01); B32B 15/04 (2006.01); B32B 15/20 (2006.01); C09J 5/02 (2006.01); C22C 21/02 (2006.01); C23C 22/56 (2006.01); C23G 1/12 (2006.01);
U.S. Cl.
CPC ...
C23C 22/83 (2013.01); B32B 15/043 (2013.01); B32B 15/20 (2013.01); C09J 5/02 (2013.01); C22C 21/02 (2013.01); C23C 22/56 (2013.01); C23G 1/125 (2013.01); B32B 2311/24 (2013.01); B32B 2605/08 (2013.01); B32B 2605/12 (2013.01); B32B 2605/18 (2013.01); C09J 2203/354 (2020.08); C09J 2301/504 (2020.08); C09J 2400/163 (2013.01); C09J 2400/166 (2013.01); C23C 2222/20 (2013.01);
Abstract

Disclosed are metal articles and methods of making and processing such metal articles. More particularly, disclosed are aluminum alloy articles exhibiting controllable surface properties, including excellent bond durability. An aluminum alloy article as described herein includes a surface having a concentration of an alloying element, and a coating having a concentration of an element capable of interacting with the alloying element. Also disclosed herein are methods of providing metal articles having excellent bond durability.

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