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:
Jan. 23, 2024
Filed:
Nov. 05, 2019
Applicant:
Aleris Rolled Products Germany Gmbh, Koblenz, DE;
Inventors:
Achim Bürger, Höhr-Grenzhausen, DE;
Philippe Meyer, Koblenz, DE;
Sunil Khosla, Bramcote, GB;
Sabine Maria Spangel, Koblenz, DE;
Christian Gerhard Krechel, Koblenz, DE;
Assignee:
Novelis Koblenz GmbH, Koblenz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/10 (2006.01); C22F 1/053 (2006.01);
U.S. Cl.
CPC ...
C22C 21/10 (2013.01); C22F 1/053 (2013.01);
Abstract
The invention relates to a wrought 7xxx-series aluminium alloy product having a composition comprising, in wt. %., Zn 6.20 to 7.50, Mg 2.15 to 2.75, Cu 1.20 to 2.00, and wherein Cu+Mg<4.50, and wherein Mg<2.5+5/3(Cu-1.2), Fe up to 0.25, Si up to 0.25, and optionally one or more elements selected from the group consisting of: (Zrup to 0.3,Crup to 0.3,Mnup to 0.45,Tiup to 0.25, Scup to 0.5, Agup to 0.5), the balance being aluminium and impurities.