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. 19, 2021
Filed:
Jun. 27, 2017
Refratechnik Holding Gmbh, Ismaning, DE;
Helge Jansen, Düsseldorf, DE;
Thomas Schemmel, Meerbusch, DE;
Petra Stein, Göttingen, DE;
Michael Schölwer, Velbert, DE;
Refratechnik Holding GmbH, Ismaning, DE;
Abstract
An unfired, refractory molded body (), includes a binding agent matrix () containing at least one set, permanent binding material and aggregate grains () with and/or of biogenic silicic acid, preferably with and/or of rice husk ash, which grains are incorporated into the binding agent matrix (), for thermal isolation of a molten metal, especially of molten steel, and/or of a metal ingot solidifying from the molten metal, and also the use of the molded body () for thermal isolation of a refractory lining, in particular in a multiple-layer brick wall or in a heat-treatment furnace, or as a corrosion barrier, e.g. against alkali attack, or as a fire protection lining or as filter material for hot gases.