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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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