Production of alloy steels using chemically prepared v.sub.2o.sub.3 as a vanadium additive
CA 1237897 A · Owner: U.S. Vanadium Corporation · Inventors: Faulring, Gloria M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Process for producing alloy steels wherein a vanadium additive consisting essentially of chemically prepared, substantially pure V2O3 is added to molten steel as a vanadium additive. The production of the alloy steel involves specifically the use of the V2O3 as a vanadium additive in an argon-oxygen-decarburization (AOD) process. D-14142
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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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
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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.