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Class Information
Number: 75/471
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) > Blast furnace reduction to produce molten iron(fe) > Defined composition of reductant
Description: Process wherein the composition of the reductant of the Iron (Fe) compound is defined as other than nominal coke.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7632330 |
Production of iron using environmentally-benign renewable or recycled reducing agents |
Dec. 15, 2009 |
| 6918945 |
Method for producing sponge iron, and reduced iron powder and method for production thereof |
Jul. 19, 2005 |
| 6858061 |
Method and device for producing pig iron or liquid steel pre-products from charge materials containing iron ore |
Feb. 22, 2005 |
| 6436168 |
Treatment process for resins or organic compounds, or waste plastics containing them |
Aug. 20, 2002 |
| 6280498 |
Synthetic resin fuel for making iron and method for making iron |
Aug. 28, 2001 |
| 6264723 |
Method for manufacturing steel |
Jul. 24, 2001 |
| 6230634 |
Method of blowing synthetic resin into a furnace |
May. 15, 2001 |
| 6203594 |
Method for reducing iron ore in a blast furnace |
Mar. 20, 2001 |
| 6090181 |
Blast furnace operating method |
Jul. 18, 2000 |
| 6077325 |
Method of adding coal combustion enhancer to blast furnace |
Jun. 20, 2000 |
| 5807420 |
Process for reduction of iron with solid fuel objects as amended by exam |
Sep. 15, 1998 |
| 5437706 |
Method for operating a blast furnace |
Aug. 1, 1995 |
| 4844737 |
Method for operating a blast furnance by blowing pulverized coal |
Jul. 4, 1989 |
| 4822388 |
Method of operating mineral wool cupolas and using spent electrolytic aluminum pot lining |
Apr. 18, 1989 |
| 4402275 |
Process for the continuous blowing of fine-particled reducing agents consisting predominantly of mineral coal into a shaft furnace |
Sep. 6, 1983 |
| 4362532 |
Production of blast furnace coke via novel briquetting system |
Dec. 7, 1982 |
| 4257806 |
Fired iron-ore pellets having macro pores and process for producing the same |
Mar. 24, 1981 |
| 4187079 |
Method for producing form coke |
Feb. 5, 1980 |
| 4181502 |
Method of producing form coke |
Jan. 1, 1980 |
| 4175949 |
Process for perishing waste rubber materials, especially worn out motor vehicle rubber tires by recovering their components for industrial purposes |
Nov. 27, 1979 |
| 4165221 |
Formed carbon fuel briquettes, process for forming the same and process for utilizing the same in the manufacture of steel |
Aug. 21, 1979 |
| 4159905 |
Method of manufacturing green hot briquettes from fine coal for use in shaft furnaces |
Jul. 3, 1979 |
| 4144053 |
Processes for blast furnace operations |
Mar. 13, 1979 |
| 4132546 |
Smelting of iron ore with partially dried lignite |
Jan. 2, 1979 |
| 4039319 |
Method of calcining green coke agglomerates |
Aug. 2, 1977 |
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