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:
Apr. 14, 1981
Filed:
Dec. 14, 1978
Applicant:
Inventor:
James H Davidson, Varennes Vauzelles, FR;
Assignee:
Creusot-Loire, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; C22C / ;
U.S. Cl.
CPC ...
148 31 ; 75122 ; 75124 ; 7513 / ; 75171 ; 148 315 ; 148 32 ; 148 37 ; 148 38 ;
Abstract
An alloy which is resistant to high temperature oxidation includes by weight 15 to 30% of chromium, at least 10% of nickel, at least 20% of iron, 4 to 6% of aluminum and at least 0.001% of at least one metal belonging to the group formed by the rare earths and metals in the same category, such as yttrium and scandium.