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:
Feb. 19, 2013
Filed:
Mar. 10, 2010
Applicants:
Franceline Villermaux, Avignon, FR;
Thibault Champion, Maubec, FR;
Christian His, Cavaillon, FR;
Inventors:
Assignee:
Saint-Gobain Centre de Recherches et d'Etudes Europeen, Courbevoie, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/626 (2006.01);
U.S. Cl.
CPC ...
Abstract
A powder including: (a) more than 92% of zircon particles; (b) 1% to 2% of silica particles having a size less than 50 microns; (c) 0.3% to 5% of particles comprising one, two, or three oxides selected from CaO, MgO, and YO; (d) less than 1% of particles comprising other oxides; the powder also being such that it includes: more than 5% of zircon aggregate particles having a size greater than 1 mm; and 8% to 20% of zircon matrix particles having a size less than 15 μm and including, for more than 95% of the weight thereof, a monoclinic phase.