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. 10, 2013
Filed:
Sep. 21, 2009
Applicants:
Holger Grote, Mülheim, DE;
Wolfgang Kollenberg, Brühl, DE;
Christian Nikasch, Mülheim an der Ruhr, DE;
Dieter Nikolay, Mayen-Hausen, DE;
Inventors:
Holger Grote, Mülheim, DE;
Wolfgang Kollenberg, Brühl, DE;
Christian Nikasch, Mülheim an der Ruhr, DE;
Dieter Nikolay, Mayen-Hausen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/482 (2006.01); C04B 35/443 (2006.01);
U.S. Cl.
CPC ...
Abstract
A material mixture for producing a fireproof material, including spinel and zirconium oxide and a coarse-grained fraction with a weight fraction of greater than 50% and a fine-grained fraction, wherein the coarse-grained fraction includes coarse grains with dimensions larger than 20 μm and the fine-grained fraction includes fine grains with dimensions smaller than 20 μm.