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Class Information
Number: 75/559
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Iron(fe) > Melting iron(fe) or treating molten iron > Injecting gas or nonmetalliferous liquid which gasifies into, onto, or through premelted iron(fe) or slag layer thereon > Gas compound containing oxygen (e.g., carbon monoxide, carbon dioxide, water, etc.)
Description: Process wherein the injected gas is a compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.).










Patents under this class:

Patent Number Title Of Patent Date Issued
8074615 Guide systems for variable valve controller Dec. 13, 2011
6241802 Method for delivery of gas-enriched fluids Jun. 5, 2001
5735934 Method for delivering a gas-supersaturated fluid to a gas-depleted site and use thereof Apr. 7, 1998
5343491 Method of suppressing dust and fumes during electric steel production Aug. 30, 1994
5299785 Gas purging plug for electric-arc furnaces and the corresponding electric-arc furnace Apr. 5, 1994
5190577 Replacement of argon with carbon dioxide in a reactor containing molten metal for the purpose of refining molten metal Mar. 2, 1993
4746361 Controlling dissolved oxygen content in molten steel May. 24, 1988
4657587 Molten metal casting Apr. 14, 1987
4614540 Process for the removal of contaminating elements from pig-iron, steel, other metals and metal alloys Sep. 30, 1986
4596600 Steel-making process in converter Jun. 24, 1986
4591380 Method of generating a reducing gas May. 27, 1986
4490172 Method of melting and refining steel and other ferrous alloys Dec. 25, 1984
4436287 Method for protecting tuyeres for refining a molten iron Mar. 13, 1984
4409028 Process for producing cast iron Oct. 11, 1983
4382817 Process for periodically and pneumatically stirring a bath of molten metal May. 10, 1983
4330108 Method for cooling tuyeres May. 18, 1982
4321088 Process for treating pig iron melts and steel melts or alloys Mar. 23, 1982
4225341 Refining iron in a converter Sep. 30, 1980
4154606 Composition and method for the desulfurization of molten iron May. 15, 1979
4149878 Use of argon to prepare low-carbon steels by the basic oxygen process Apr. 17, 1979
4093452 Refining liquid metal Jun. 6, 1978
RE29584 Use of CO.sub.2 in argon-oxygen refining of molten metal Mar. 21, 1978
4022612 Production of alloys of iron May. 10, 1977
3982927 Method of blowing to obtain a very low amount of carbon in chrome steels Sep. 28, 1976











 
 
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