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:
Sep. 27, 2011
Filed:
May. 15, 2008
Applicants:
Peter Janz, Klagenfurt, AT;
Sigrun Tauber, St. Veit an der Glan, AT;
Inventors:
Peter Janz, Klagenfurt, AT;
Sigrun Tauber, St. Veit an der Glan, AT;
Assignee:
Treibacher Industrie AG, Treibach-Althofen, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C 1/06 (2006.01); B22C 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method for producing a mold for use in casting reactive metals comprising preparing a slurry of a yttria-based refractory composition and a binder, and using said slurry as a mold facecoat by applying said slurry onto a surface of a mold pattern, wherein said yttria-based refractory composition is obtainable by (a) mixing particles of a yttria-based ceramic material and a fluorine containing dopant, and (b) heating the resulting mixture to effect fluorine-doping of said yttria-based ceramic material.