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. 31, 2006
Filed:
Feb. 28, 2003
Applicants:
Yves Marcel Leon Boussant-roux, Montfavet, FR;
Michel Marc Gaubil, Avignon, FR;
Inventors:
Yves Marcel Leon Boussant-Roux, Montfavet, FR;
Michel Marc Gaubil, Avignon, FR;
Assignee:
Saint-Gobain Centre de Recherches et D'Etudes Europeen, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/109 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a refractory product comprising more than 85% of zirconia (ZrO), characterized in that it comprises in wt. % with respect to oxides: ZrO>92%, SiO: 2 to 8%, NaO: 0.12 to 1%, AlO: 0.2 to 2%, 0.5%≦YO+CaO≦2.6%, with the proviso that YO: 0.3 to 2% and that CaO: 0.5 to 1.93%.