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Class Information
Number: 75/770
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Consolidating metalliferous material (e.g., ore, tailings, flue dust, fluxes, etc.) by agglomerating, compacting, or heat treating; preparatory process therefor; or treating consolidated material therefrom > Agglomerating or compacting
Description: Process wherein agglomerating or compacting or treatment of agglomerated or compacted metalliferous material is involved.

Sub-classes under this class:

Class Number Class Name Patents
75/773 With alkaline earth metal compound, clay, or hydrosetting agent 55
75/771 With coal, coke, pitch, asphalt, or tar 49
75/772 With synthetic polymer, natural polymer, or carbohydrate 61

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8690988 Use of bimodal carbon distribution in compacts for producing metallic iron nodules Apr. 8, 2014
8679222 Process for producing sponge iron Mar. 25, 2014
8641799 Process for producing agglomerates of finely particulate iron carriers Feb. 4, 2014
8636825 Melting method for producing an inclusion-free Ta-base alloy Jan. 28, 2014
8603215 Composition of amorphous iron oxide hydroxide, desulfurizer comprising the same, and methods for preparing and regenerating the desulfurizer Dec. 10, 2013
8545593 Direct processing of metallic ore concentrates into ferroalloys Oct. 1, 2013
8540798 Systems and methods for recycling steelmaking converter sludge Sep. 24, 2013
8535411 Production of iron from metallurgical waste Sep. 17, 2013
8491701 Methods and systems for leaching a metal-bearing ore for the recovery of a metal value Jul. 23, 2013
8470067 Process for preparing a foaming slag former, product and use thereof Jun. 25, 2013
8414679 Producing an alloy with a powder metallurgical pre-material Apr. 9, 2013
8394170 Use of powder-metallurgical pre-material for producing an NB alloy that is free of inclusions Mar. 12, 2013
8287621 Use of bimodal carbon distribution in compacts for producing metallic iron nodules Oct. 16, 2012
8206487 Method for producing carbon composite metal oxide briquettes Jun. 26, 2012
8202345 Method of producing non-pyrophoric metallic iron Jun. 19, 2012
8187359 Granulated metallic iron superior in rust resistance and method for producing the same May. 29, 2012
8182575 Producing method of direct reduced iron May. 22, 2012
8118907 Methods and systems for leaching a metal-bearing ore for the recovery of a metal value Feb. 21, 2012
8110019 Modified induction furnace and process for removing zinc-containing metallurgical waste, with recovery of the metals therefrom Feb. 7, 2012
8092574 Method of producing reduced iron cast, and method of producing pig iron Jan. 10, 2012
8088194 Method for producing hot briquette iron using high-temperature reduced iron and method and apparatus for controlling temperature of reduced iron for hot forming Jan. 3, 2012
8080084 Method for recycling steelmaking dust Dec. 20, 2011
8043408 Direct smelting of zinc bearing compounds to produce metallic zinc Oct. 25, 2011
8034158 Method of manufacturing Fe and Ni containing material, ferronickel mass using the Fe and Ni containing material and method for manufacturing the ferronickel mass Oct. 11, 2011
8007564 Manufacture method of briquette for use as metal stock and manufacturing apparatus thereof Aug. 30, 2011
7981192 Method and device for producing binderless briquettes and briquettes comprising metal chips and metal dusts Jul. 19, 2011
7858019 Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons Dec. 28, 2010
7842119 Solidification product of dust generated during steel making and method for production thereof Nov. 30, 2010
7829015 Formation of non-axial features in compacted powder metal components Nov. 9, 2010
7776136 Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same Aug. 17, 2010
7717979 Composition for a desulfurizer with a high sulfur capacity and the process of making the same May. 18, 2010
7709144 Methods for producing agglomerates of metal powders and articles incorporating the agglomerates May. 4, 2010
7687023 Titanium carbide alloy Mar. 30, 2010
7645321 Method for the production of ore with green agglomerates containing a proportion of fines Jan. 12, 2010
7622071 Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same Nov. 24, 2009
7591877 Manufacturing method of briquette for use as metal stock Sep. 22, 2009
7585350 Production of ferronickel Sep. 8, 2009
6989040 Reclaimed magnesium desulfurization agent Jan. 24, 2006
6921427 Process for cold briquetting and pelletization of ferrous or non-ferrous ores or mineral fines by iron bearing hydraulic mineral binder Jul. 26, 2005
6918944 Carbon containing nonfired agglomerated ore for blast furnace and production method thereof Jul. 19, 2005
6755888 Facility for reducing metal oxide, method for operating the facilities and moldings as raw material to be charged to reduction furnace Jun. 29, 2004
6743275 Method of making and using ferrous metal particle briquettes Jun. 1, 2004
6730400 Ultrafine composite metal particles and method for manufacturing same May. 4, 2004
6676725 Cold bonded iron particulate pellets Jan. 13, 2004
6589667 Spherical porous iron powder and method for producing the same Jul. 8, 2003
6565345 Pressing device for compressing metal parts, in particular chips May. 20, 2003
6494933 Method of utilizing secondary raw materials containing iron, zinc and lead Dec. 17, 2002
6391085 Metal feedstock from wasted metal products May. 21, 2002
6387175 Roadway base intermediate, roadway base, and methods of manufacture May. 14, 2002
6372011 Method for producing an iron melt using iron-containing residual smelting plant materials Apr. 16, 2002

1 2 3

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