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:
Mar. 19, 2013
Filed:
Aug. 23, 2007
Applicants:
Patrice Berthod, Pont-a-Mousson, FR;
Jean-luc Bernard, Clermont, FR;
Christophe Liebaut, Mercurey, FR;
Inventors:
Patrice Berthod, Pont-a-Mousson, FR;
Jean-Luc Bernard, Clermont, FR;
Christophe Liebaut, Mercurey, FR;
Assignees:
Saint-Gobain Isover, Courbevoie, FR;
Saint-Gobain Seva, Chalon sur Saone, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/10 (2006.01); C22C 19/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
Cobalt based alloys exhibiting high-temperature mechanical strength in an oxidizing medium are provided. The alloys are free of W and Hf and include the following elements in percentage by weight of the alloy: 23 to 34% Cr; 6 to 12% Ni; 6.0 to 10% Ta; 0.3 to 1.2% C; less than 3% Fe; less than 1% Si; less than 0.5% Mn; less than 0.1% Zr; and a balance of cobalt and impurities. Ta/C molar ratios of the alloys are at least 0.3.