Continuous casting slag
CA 1251225 A · Owner: Isg Technologies Inc. · Inventors: Cramb, Alan W.; Byrne, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
8115-108, Abstract, A synthetic slag composition for the continuous casting of steel. The slag composition is used in the tundish to condition and remove sulfur from the molten steel prior to the steel being introduced into the continuous casting mold. The slag consists essentially of: CaO 30 - 80% by weight, CaF2 20 - 40% " " Al2O3 0 - 10% " ", SiO2 <5% " ", MgO 5 - 20% " " FeO + MnO <1% " ", K2O + Na2O 0 - 10% " " BaO, + CeO2 (either or both)10 - 70% " " Metalloids (Al, Ca, Mg) 0 - 5% " "
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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 March 14, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 14, 2006.
- 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.