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:
May. 28, 2013
Filed:
Dec. 10, 2008
Christos G. Aneziris, Freiberg, DE;
Uwe Klippel, Freiberg, DE;
Christoph Tontrup, Alzenau, DE;
Evonik Degussa GmbH, Essen, DE;
Technische Universität Bergakademie Freiberg—Institut für Keremik, Glas-und Baustofftechnik, Freiberg, DE;
Abstract
Mix which comprises a) one or more very finely divided silicon dioxide powders having an average particle diameter of from 2 to 100 nm and a BET surface area of at least 30 m/g, b) one or more particulate components selected from the group consisting of oxides, carbides and nitrides, in each case having an average particle diameter of from >0.5 μm to 30 mm, c) one or more synthetic resins as binders and d) one or more metallic antioxidants having an average particle diameter of from >0.5 to 250 μm. Process for producing a shaped body, in which to the mix is introduced into a mould, pressed if appropriate and heated to a temperature at which the synthetic resin crosslinks thermally. Shaped body which can be obtained therefrom. Process for producing a refractory shaped body, in which the shaped body is carbonized. Refractory shaped body which can be obtained therefrom.