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:
Oct. 04, 2016
Filed:
Mar. 13, 2013
Applicant:
Alcoa Inc., Pittsburgh, PA (US);
Inventors:
Julien Boselli, Pittsburgh, PA (US);
Jen Lin, Export, PA (US);
Roberto J. Rioja, Murrysville, PA (US);
Feyen Gerriet, Solihull, GB;
Khurram Shahzad Chaudhry, High Wycombe, GB;
Assignee:
Alcoa Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/18 (2006.01); C22C 21/16 (2006.01); C22F 1/057 (2006.01);
U.S. Cl.
CPC ...
C22C 21/18 (2013.01); C22C 21/16 (2013.01); C22F 1/057 (2013.01);
Abstract
New 2xxx aluminum lithium alloys are disclosed. The aluminum alloys include 3.5-4.4 wt. % Cu, 0.45-0.75 wt. % Mg, 0.45-0.75 wt. % Zn, 0.65-1.15 wt. % Li, 0.1-1.0 wt. % Ag, 0.05-0.50 wt. % of at least one grain structure control element, up to 1.0 wt. % Mn, up to 0.15 wt. % Ti, up to 0.12 wt. % Si, up to 0.15 wt. % Fe, up to 0.10 wt. % of any other element, with the total of these other elements not exceeding 0.35 wt. %, the balance being aluminum.