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| Number | Title | Issue Date |
| 7442229 | Method to improve iron production rate in a blast furnace The present invention relates to a method to improve the iron production rate in a blast furnace being charged by iron containing agglomerates. The method includes contacting the chargeable iron containing material with a slag modifying effective amount of a dispers... | 10/28/2008 |
| 7026385 | Clay-containing mixture or blend capable of forming a moisture resistant gel, and use of that mixture and blend The invention relates to a clay-containing mixture or blend capable of forming a moisture resistant gel, which comprises a powdered or ground smectite and/or a smectite-containing natural rock and at least 0.8–10% by weight, calculated for the smectite content, of... | 04/11/2006 |
| 6974170 | Slide out trunk space storage system A trunk space storage system for motor vehicles comprising a movable wall. This movable wall is located on the floor of the trunk space and acts as a new back wall of the trunk space. This movable wall slides along tracks on the floor of the trunk space to a positio... | 12/13/2005 |
| 6967098 | Process for changing the appearance of stone, concrete, or hard surfaces by applying microorganisms A preferred method by which microorganisms and nutritive media are sprayed, brushed, dripped, or otherwise applied, onto freshly cut rock, stone, freshly formed concrete, or other hard manmade surface, in order for the target surface to take on a weathered appearanc... | 11/22/2005 |
| 6802886 | Method of producing a metallized briquette The invention is a method of making metallized iron agglomerates by combining iron/steel particles and a reductant material with a cellulose fiber binder material, compacting the combination to form a solid agglomerate, and reducing the iron portions of the agglomer... | 10/12/2004 |
| 6602316 | Briquette for lowering the viscosity of metallurgical slag and process for its production Briquettes for the liquefaction of metallurgical slag are formed from a mixture containing, by weight, 85-98% slag from secondary aluminium processing, 1 to 8% polyvinyl acetate dispersion as the polymeric bonding agent and the remainder water, the brique... | 08/05/2003 |
| 6497746 | Process for agglomerating particulate material A process for particulate agglomeration (i.e., pelletizing) and the product produced (i.e., pellets) by such processes are disclosed. The process generally comprises a process of agglomerating particulate material, said process comprising commingling said... | 12/24/2002 |
| 6451084 | Iron oxide waste agglomerates and method of assisting a steel-making operation An iron oxide waste agglomerate, preferably a briquette, is provided including 0.03-15 weight percent on a dry basis lignosulfonate binder, 50-99.5 weight percent on a dry basis iron oxide waste, and 0.3-20 weight percent water. The agglomerate can furthe... | 09/17/2002 |
| 6312501 | Method of producing reduced iron and production facilities therefor A method of producing raw material pellets, including forming pellets from a mixture of an iron oxide powder, a coal powder and a binder material after adding adjusting water to the mixture, and drying the pellets, wherein the binder material comprises at... | 11/06/2001 |
| 6293994 | Mineral pelletisation The present invention is directed to a process of making fired mineral pellets by mixing particulate mineral material with moisture and binder comprising substantially water soluble organic polymer to form a moist pelletizable mix, pelletizing the moist m... | 09/25/2001 |
| 6099615 | Method for improved percolation through ore heaps by agglomerating ore with a surfactant and polymer mixture A method for improving bacteria and reagent actions on mineral-bearing particles. In the heap leaching process, the method also increases percolation of the leach solution through the heaped ore without the use of high concentrations of cement, high conce... | 08/08/2000 |
| 6071325 | Binder composition and process for agglomerating particulate material The present invention generally relates to a process of agglomerating particulate material in the presence of water which comprises mixing said particulate material with a binding effective amount of at least one water soluble polymer, and a binder enhanc... | 06/06/2000 |
| 5922261 | Process for recovering iron from iron-rich material Iron-rich material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes and/or other solid shapes. The shapes can then be used in iron and steel making processes and the iron and hea... | 07/13/1999 |
| 5885328 | Method of agglomerating oil-containing steel mill waste A method of agglomerating oil-containing steel mill waste includes the step of combining a first steel mill waste component with a second steel mill waste component to form a mixture. The first waste component includes substantially dry non-oily steel mil... | 03/23/1999 |
| 5833937 | Polymeric combinations used as copper and precious metal heap leaching agglomeration aids An improved method for extracting a precious metal from mineral fines by heap leaching with dilute sulfuric acid which comprises agglomerating the mineral fines prior to formation into a heap with an agglomerating agent composition comprising sequential a... | 11/10/1998 |
| 5698007 | Process for agglomerating particulate material The present invention generally relates to a process of agglomerating particulate material in the presence of water which comprises mixing said particulate matreial with a binding effective amount of at least one water soluble polymer, and a binder enhanc... | 12/16/1997 |
| 5685893 | Ore pelletization In an iron ore pelletization process in which particulate ore is mixed with particulate polymeric binder in the presence of moisture and the mixture is pelletised, the particulate binder is a blend of ionic synthetic water soluble polymer, such as a copol... | 11/11/1997 |
| 5589118 | Process for recovering iron from iron-containing material Iron-rich-material waste products, such as electric arc furnace dust, are formed with an organic binder into discrete shapes, such as briquettes. The shapes can then be used in iron and steel making processes and the iron and heavy metal values in the was... | 12/31/1996 |
| 5587002 | Process for the preparation of a cooling agent containing iron for a steel-making converter The present invention relates to a process for the preparation of a cooling agent containing iron for refining steel in a steel-making converter. The cooling agent is formed from ovoids produced from fatty slurries from rolling mills. The present inventio... | 12/24/1996 |
| 5575830 | Fabrication methods and equipment for granulated powders The purpose of this invention is to present fabrication methods and equipment for granulated powders whereby, the reaction between the R-Fe-B-type or R-Co-type rare earth containing alloy powders and the binder is controlled, the residual oxygen and carbo... | 11/19/1996 |
| 5472675 | Polyvinyl alcohol agglomeration agents for mineral bearings ores An agglomerating agent for use in the heap leaching of mineral bearing ores is disclosed. The agglomerating agent is a polyvinyl alcohol of moderate to high molecular weight which is partially or fully hydrolyzed. The polyvinyl alcohol agglomerating agent... | 12/05/1995 |
| 5443788 | Method and apparatus for formation of briquettes comprising balancing the surface area between atomized binder and fines The subject invention relates to method for briquetting fines and ultrafines comprising mixing the fines and ultrafines on a continuous basis with a binder system having low viscosity of up to about 200 cps and at least 50% solids, such that the resulting... | 08/22/1995 |
| 5435835 | Method and system for removing and/or causing recycling of materials A system and process for treating dust and sludge from iron and steel making operations and includes separating iron and carbon from zinc and lead. Separation is performed in a series of hydrocyclones associated in a series-parallel fashion, The iron and ... | 07/25/1995 |
| 5421853 | High performance binder/molder compounds for making precision metal part by powder injection molding A binder composition for use in making metal parts via a metal powder injection molding process containing the following components: (a) a first polymer with a relatively low solubility parameter such as polyethylene and polypropylene; (b) a second polyme... | 06/06/1995 |
| 5421859 | Processes of continuously making hard composites of coke and carbon-reducible oxides for smelting to iron, ferroalloys and silicon Composite pieces of high density and strength are made continuously from mixtures of fine particles of bituminous or subbituminous or lignite coals and particles of carbon reducible oxides. The particles are mixed with water, compressed to squeeze out som... | 06/06/1995 |
| 5382279 | Method and apparatus for combustion of steel plant wastes A process for consuming oily sludge waste product in steel making operations includes spraying a waste slurry onto the moving porous bed of a sinter strand. A burner hood is spaced above a portion of the moving bed. The bed carries a sinter mix which is i... | 01/17/1995 |
| 5372632 | Process for producing fiber bonded agglomerated ore materials Process for producing agglomerates, e.g., by pelletizing a particulate inorganic material, for example, an ore material, characterized by the addition to the agglomerated material of an organic fibrous material, especially a polyacrylonitrile fiber materi... | 12/13/1994 |
| 5352271 | Composite wire with a plastic sheath for additions to metallic baths A method for producing a composite wire for addition of solid products to metal baths in which the core comprises the addition products and a sheath of plastic material covers the core. The wire is produced by a coextrusion of the core and the sheath. The... | 10/04/1994 |
| 5332559 | Biooxidation process for recovery of metal values from sulphur-containing ore materials A hydrometallurgical process for the recovery of one or more metal values from a metal ore material in the presence of clays and/or fines material, said ore material being comprised of one or more metal values and a matrix material having a sulfur content... | 07/26/1994 |
| 5306327 | Modified native starch base binder for pelletizing mineral material A binder for pelletizing particulate mineral material. The binder including about 30-99.5% modified native starch, and about 0.2-80% of water-dispersible polymer material selected from the group consisting of water-dispersible natural gums, water-dispersi... | 04/26/1994 |
| 5302341 | Continuous method for formation of briquettes contains less than 1% binder by weight of the briquette The subject invention relates to method for briquetting fines and ultrafines comprising mixing the fines and ultrafines on a continuous basis with a binder system having low viscosity of up to about 200 cps and at least 50% solids, such that the resulting... | 04/12/1994 |
| 5294250 | Self-fluxing binder composition for use in the pelletization of ore concentrates A self-fluxing binder composition for use in the pelletization of an ore concentrate, especially iron ore concentrates. The composition comprises from 50 to 98% by weight of one or more carrier having a high surface area, and from 2 to 50% by weight of a ... | 03/15/1994 |
| 5211920 | Agglomerating agents for clay containing ores Agglomerating agent and method for use in heap leaching of mineral bearing ores. A moderate to high molecular weight anionic polymer preferably in combination with lime provides a highly effective agglomerating agent. The anionic polymer is preferably a c... | 05/18/1993 |
| 5186915 | Heap leaching agglomeration and detoxification Agglomerating agent and method for use in heap leaching of mineral bearing ores. A moderate to high molecular weight anionic polymer in combination with lime provides a highly effective agglomerating agent. The anionic polymer is preferably a copolymer of... | 02/16/1993 |
| 5186742 | Method and composition for use in recycling metal containing furnace dust A process is shown where an arc dust waste produced by an electric arc furnace is conducted to silos and converted to a reusable co-product by means of the addition of a special blend of high calcium and dolomitic quicklime, calcium stearate and pulverize... | 02/16/1993 |
| 5171361 | Modified native starch base binder for pelletizing mineral material A binder for pelletizing particulate mineral material. The binder including about 50-99.5% modified native starch, and about 0.5-50% of water-dispersible polymer material selected from the group consisting of water-dispersible nature gums, water-dispersib... | 12/15/1992 |
| 5112391 | Method of forming ore pellets with superabsorbent polymer A binder composition and method for its use to bind metal ores in a pelletizing process is disclosed. The composition includes the use of superabsorbent cross-linked polymers alone or in combination with at least one of the materials chosen from linear wa... | 05/12/1992 |
| 5112582 | Agglomerating agents for clay containing ores Agglomerating agent and method for use in heap leaching of mineral bearing ores. A moderate to high molecular weight anionic polymer in combination with lime provides a highly effective agglomerating agent. The anionic polymer is preferably a copolymer of... | 05/12/1992 |
| 5102455 | Agglomeration of particulate material employing a polymer Particulate material such as iron ore is agglomerated into pellets or other agglomerates by being homogeneously mixed in the presence of moisture with a binder followed by agglomeration of the moist mixture, and the binder comprises a water soluble anioni... | 04/07/1992 |
| 5100467 | Agglomeration of particulate material mixed prior to addition of polymer Iron ore particles or other water insoluble non-swellable particulate material is converted into pellets or other agglomerates by mixing with substantially dry binder in the presence of moisture and is then bonded into agglomerates. The binder comprises s... | 03/31/1992 |
