Method for production of magnesium-containing briquets and magnesium
CA 1064709 A · Owner: Showa Denko K.K. · Inventors: Yoshida, Yasuo; Odajima, Tsutou; Matsushima, Tomoo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Briquets having an overall bulk density in the range of 1.4 to 2.2 g/cm3, squeeze strength at room temperature in the range of 30 to 230 kg/cm2, an overall porosity in the range of 35 to 55% and a refractoriness in the range of Pyrometric Cone No. 15 to No. 31 and used as the raw material for hightemperature pyrolitic reduction of magnesium are disclosed. Also disclosed is a method for the production of magnesium by high-temperature pyrolitic reduction, characterized by allowing said briquets as the material for high-temperature reduction to be retained undisintegrated in a floating state on the surface of the slag formed in the electric furnace until vaporization of magnesium from said …
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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 October 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 23, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.