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:
May. 23, 1989
Filed:
Dec. 23, 1985
Applicant:
Inventors:
Roberto J Rioja, Lower Burrell, PA (US);
Philip E Bretz, Pittsburgh, PA (US);
John E Jacoby, Murrysville, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420528 ; 420529 ; 420531 ; 420532 ; 420533 ; 420534 ; 420535 ; 420540 ; 420541 ; 420542 ;
Abstract
Disclosed is an aluminum-lithium alloy containing a predetermined amount of lanthanides which provides the alloy with an improved combination of strength and fracture toughness relative to a baseline alloy not containing lanthanides but otherwise having the alloy's composition.