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:
Dec. 13, 2011
Filed:
Nov. 25, 2005
Applicants:
Eric Jorge, Courbevoie, FR;
Olivier Marguin, Caumont-sur-Durance, FR;
Inventors:
Eric Jorge, Courbevoie, FR;
Olivier Marguin, Caumont-sur-Durance, FR;
Assignee:
Saint-Gobain Centre de Recherches et d'Etudes Europeen, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/567 (2006.01); C04B 35/586 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sintered refractory block based on silicon carbide (SiC) with a silicon nitride (Si3N4) bond, for the manufacture of a aluminium electrolysis vessel, characterized in that it comprises, expressed in percentage by weight, at least 0.05% boron and/or between 0.05 and 1.2% calcium.