Shape or unshaped refractory compounds based on magnesite and their use for lining furnaces
CA 1316183 C · Owner: Didier-Werke A.G. · Inventors: Nazirizadeh, Morteza
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are shaped or unshaped refractory compounds based on extremely pure, low-iron magnesite material in admixture with a zirconium compound, particularly zirconium dioxide and, their use, particularly in the form of burnt moulded bodies or refractory bricks, for lining furnaces or high temperature zones of furnaces for the manufacture of burnt dolomite burnt lime or, burnt magnesite. The refractory compounds according to the invention are characterized by the fact that they contain as magnesite sintered or fused magnesite with a purity of at least 97% by weight of MgO and as admixture 10 to 25% by weight of a zirconium compound with a ZrO2 content of at least 98% by weight based on, …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 2010.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.