Method for reducing dissolved oxygen and carbon contents in molten steel
CA 1305863 C · Owner: Inland Steel Company · Inventors: Schlichting, Mark R.; Szatkowski, Marian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The carbon and dissolved oxygen contents of molten steel are reduced by a vacuum degassing treatment which may employ oxygen blowing. A determination is made of the idealized trajectory or path reflecting the change in carbon content and dissolved oxygen content between, atmospheric pressure and a preselected sub-atmospheric pressure at which the vacuum degassing treatment occurs. The idealized trajectory also reflects the effect of extraneous factors on the carbon content dissolved, oxygen content and temperature of the molten steel during the treatment. A selection is made of the boundaries of the idealized trajectory based upon the permissible limits of carbon content, dissolved oxygen …
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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 August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 2009.
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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.