Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mira Müller0
Martin Wiesel0
Date of Patent
October 20, 2009
Patent Application Number
10595517
Date Filed
June 2, 2005
Patent Primary Examiner
Patent abstract
The invention relates to a fired refractory shaped part whose structure: a) consists of up to at least 75% by weight of a pre-fired refractory secondary material with a grain size of up to 3 mm, and; b) has an open pore volume ranging from 10 to 30% that, after firing, is filled, at least in part, with a carbon-containing material, whereby; c) the carbon content is >3% by weight with regard to the shaped part.
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