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. 20, 2012
Filed:
Nov. 07, 2008
Johann Eder, Leoben, AT;
Gerald Gelbmann, Leoben, AT;
Johann Eder, Leoben, AT;
Gerald Gelbmann, Leoben, AT;
Refractory Intellectual Property GmbH & Co. KG, Vienna, AT;
Abstract
The invention relates to a refractory ceramic batch made of 30 to 95% by mass of a synthetically manufactured fine component selected from the group consisting of: fused forsterite, sintered forsterite, each in a grain size <1 mm, further 5 to 70% by mass of at least one coarse component selected from the group consisting of: sintered magnesia, fused magnesia, each in a grain size >1 mm, up to 5% by mass of a sintering aid and not more than 5% by mass of at least one other component, wherein the components sum up to 100% by mass. The invention further comprises a workpieces made of this batch and the use of said workpiece as a checker brick.