| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 075228000 |
Consolidated metal powder compositions
| 139 |
| 075303000 |
Solid treating composition for liquid metal (e.g., flux, slagging agent, casting agent, etc.) or charge
| 61 |
| 075255000 |
Loose particulate mixture (i.e., composition) containing metal particles
| 47 |
| 075302000 |
Welding rod or electrode defined by composition
| 10 |
| 075301000 |
Reactive furnace lining | 2 |
| 20080216603 | TREATED REFRACTORY MATERIAL AND METHODS OF MAKING - A treated refractory material includes a sintered porous refractory material having one or more protective materials disposed within pores of the refractory material, wherein the protective material is selected from the group consisting of aluminum oxide, chromium oxide, silica, rare earth oxides, rare earth zirconates, titanium oxide, mullite, zirconium oxide, zirconium silicate, yttrium oxide, magnesium oxide, iron oxide, and blends thereof. Methods of preparing the treated refractory material are also provided. The treated refractory material provides protection from the penetration of slag and extends the service life of the refractory. | 09-11-2008 |
| 20090188347 | TREATED REFRACTORY MATERIAL AND METHODS OF MAKING - A treated refractory material includes a refractory material having a plurality of pores, wherein the refractory material comprises aluminum oxide, silicon oxide, magnesium oxide, chromium oxide, zirconium oxide, titanium oxide, calcium oxide, fireclay, silicon carbide, tungsten, mullite, dolomite, magnesite, magnesium aluminum oxide, chromite, magnetite, or a combination comprising at least one of the foregoing; and a protective material disposed within the plurality of pores of the refractory material, wherein the protective material is selected from the group consisting of aluminum oxide, chromium oxide, silica, rare earth oxides, rare earth zirconates, titanium oxide, mullite, zirconium oxide, zirconium silicate, yttrium oxide, magnesium oxide, iron oxide, and blends thereof. | 07-30-2009 |
| Entries |
| Document | Title | Date |
|---|
| 20080196546 | Use of Non-Ionic Surfactants In the Production of Metals - A composition for cyanide leaching which comprises at least one nonionic surfactant and a process for extracting metals using the abovementioned composition are described. | 08-21-2008 |
| 20080210052 | METHODS OF CONTROLLING NANOSTRUCTURE FORMATIONS AND SHAPES - A method of forming monodispersed metal nanowires comprising: forming a reaction mixture including a metal salt, a capping agent and a quaternary ammonium chloride in a reducing solvent at a first temperature; and forming metal nanowires by reducing the metal salt in the reaction mixture. | 09-04-2008 |
| 20090193933 | Pre-Processing Materials Using Encapsulation Technologies - A method and apparatus for conducting a metallurgical process. In one form, iron oxides in the form of mill scale is placed in a container and subjected to heat thereby largely reducing the mill scale and largely converting it to metallic iron that can then be used in steel making processes, such as electric arc furnaces and the like. In one form, the container prevents volatile gases (such as gases given off when oily mill scale is heated) for a sufficient time so that the volatile gases heated to a high enough temperature to maximize pyrolysis and decomposition. In one form, vents are provided in the containers that are aligned with collection vents in the heating furnace so that any volatile gases may be easily removed without loss of large quantities of heat. | 08-06-2009 |
| 20090272227 | Metal Extraction Without Cyanide - An improved process and composition for the extraction of metal from a metal-laden ore, soil or rock is provided. A liquid, three-component aqueous lixiviant comprises water, an alkali metal salt and a low pH acidic composition. A four-component aqueous lixiviant comprises water, a low pH acidic composition, an alkali metal salt and an acid having a pH value less than 2. Both lixiviant compositions are efficient for extracting metal into a pregnant liquid solution. The pregnant solution is treated by known conventional means, such as filtration, centrifuging or electrolysis to remove the extracted metals. The three-component and four-component aqueous lixiviants of the present invention are non-toxic, meaning, not an irritant or deleterious to humans or the environment and perform, as well as, or better than known toxic cyanide lixiviants. The aqueous lixiviants of the present invention effectively and efficiently extract gold, silver, platinum and other metals from ore laden soil or rock with efficiencies greater than 90%. | 11-05-2009 |
| 20100180726 | ANTI-OXIDATIVE AGENT FOR MOLTEN METAL, METHOD OF PREPARING AND METHOD OF USING THEREOF - An anti-oxidative agent for molten metal containing at least nonylphenol polyoxyethylene ether, organic amine, phosphoric acid, and phytic acid. A method of preparing the anti-oxidative agent for molten metal, by a) heating an organic amine to between 60 and 100° C., adding a nonylphenol polyoxyethylene ether, and stirring for between 3 and 5 min to yield a mixture; and b) cooling the mixture to between 30 and 100° C., and adding phosphoric acid and phytic acid and stirring for between 10 and 15 min. The anti-oxidative agent for molten metal has no flash point and spreads quickly on the liquid surface, providing high reduction efficiency at lost cost. | 07-22-2010 |
| 20100242677 | NON-FERROUS METAL COVER GASES - Disclosed are cover gas compositions comprising fluoroolefins for impeding the oxidation of molten nonferrous metals and alloys, such as magnesium. The cover gas compositions can include at least one fluoroolefin and a carrier gas. | 09-30-2010 |
| 20120090430 | IONIC LIQUID SOLVENTS OF PERHALIDE TYPE FOR METALS AND METAL COMPOUNDS - The present invention relates to a process for dissolving metals in perhalide containing ionic liquids, and to the extraction of metals from mineral ores; the remediation of materials contaminated with heavy, toxic or radioactive metals; and to the removal of heavy and toxic metals from hydrocarbon streams. | 04-19-2012 |
| 20120198965 | METHOD OF MANUFACTURING FE AND NI CONTAINING MATERIAL, FERRONICKEL MASS USING THE FE AND NI CONTAINING MATERIAL AND METHOD FOR MANUFACTURING THE FERRONICKEL MASS - A method of manufacturing an Fe/Ni-containing material having a low content of sulfur from an Fe/Ni/SO | 08-09-2012 |
| 20120240725 | CARBON COMPOSITE AGGLOMERATE FOR PRODUCING REDUCED IRON AND METHOD FOR PRODUCING REDUCED IRON USING THE SAME - Provided is a carbon composite briquette which is used as the raw material of a movable hearth furnace for producing reduced iron having a sufficient carbon content and a higher crushing strength, and also provided is a method for producing reduced iron using the carbon composite briquette. The carbon composite briquette for producing reduced iron has a total SiO | 09-27-2012 |
| 20120247271 | PROCESS FOR RECOVERING METALS AND METAL COMPOUNDS FROM MINED ORE AND OTHER METAL-BEARING RAW SOURCE MATERIALS - A filter cake, including a first metal in an insoluble form and/or filtrate comprising Cr in a soluble form, obtained by a method involving filtering an aqueous slurry of a metal-bearing raw source material comprising the first metal in an insoluble form, soluble and/or insoluble Cr in a Cr bearing material as a second metal, and organic and inorganic compounds, after adjusting the pH of the slurry to an alkaline pH sufficient to convert soluble Cr present to an insoluble form and selectively leaching the Cr by adding a leaching agent in an amount sufficient to convert Cr to a soluble form while the first metal remains in the slurry in an insoluble form. | 10-04-2012 |
| 20130025410 | COLLECTOR AND FROTHING AGENT FOR FLOTATION BASED ON ORGANIC RESIDUES TO RECOVER METALS FROM MINERALS BY FROTH FLOTATION, COLLECTOR AND FROTHING AGENT RECOVERY PROCESS AND FOAMING FLOTATION PROCESS THAT USES THE COLLECTOR AND FROTHING AGENT - The present invention involves a multifunctional frothing agent with collector and frothing functions for frothing flotation processes to recover valuable metals from minerals, based on organic residues selected from biosolids from wastewater treatment plants, organic sludge from biogas production systems, compost hydrosoluble organic matter or other similar biologically treated or stabilized organic in aerobic or anaerobic conditions, industrial sludge from industrial organic liquid waste treatments, hydrosoluble organic matter from vegetal peat, manure, dung or a combination of two or more of these, or a fraction of them, representing between 35% and 98% organic matter, apparent density between 0.2 and 0.8 g/mL, a pH between 6.0 and 8.5, an electrical conductivity between 4.0 and 15 mS/cm. It also involves the process of the multifunctional collector and frothing agent recovery (collector and frothing agent) and the frothing flotation process that uses the multifunctional agent disclosed in this investigation. | 01-31-2013 |
| 20130160607 | METHOD FOR PRODUCING PRESSED ARTICLES CONTAINING COAL PARTICLES - A method for producing pressed articles containing coal particles, pressed articles obtained from such method, and the use of such pressed articles in methods for producing pig iron in a fixed bed or for producing carbon carriers for methods for producing pig iron in a fixed bed, are provided. To this end, a partial amount of the coal particles to be processed into pressed articles is impregnated with a substance before the material to be processed into pressed articles is mixed with a binder system containing water and finally being processed into pressed articles. | 06-27-2013 |
| 20130312570 | Purification Process - A process for purifying Mo-99 from an acidic solution obtained by dissolving an irradiated solid target comprising uranium in an acidic medium, or from an acidic solution comprising uranium and which has previously been irradiated in a nuclear reactor, or from an acidic solution comprising uranium and which has been used as reactor fuel in a homogeneous reactor, the process comprising contacting the acidic solution with an adsorbent comprising a zirconium oxide, zirconium hydroxide, zirconium alkoxide, zirconium halide and/or zirconium oxide halide, and eluting the Mo-99 from the adsorbent using a solution of a strong base, the eluate then being subjected to a subsequent purification process involving an alkaline-based Mo-99 chromato-graphic recovery step on an anion exchange material. Also provided is apparatus for carrying out the process. | 11-28-2013 |
| 20140000413 | PRECIOUS METALS RECOVERY | 01-02-2014 |
| 20140033868 | Method For Extraction And Separation Of Lanthanoid Elements And Actinoid Elements, And Means For Extraction And Separation Of Lanthanoid Elements And Actinoid Elements - Problem: To provide a material and a method for efficient and inexpensive extraction of rare metals that are included in urban minerals. Solution: A method for the extraction of lanthanoid elements and actinoid elements, said method comprising: an adsorption process wherein a metal-dissolved solution containing a target metal selected from lanthanoid elements and actinoid elements is made to come into contact with porous structures that carry metal-adsorbent compounds that are adsorbent to target metal ions so that the target metal ions in said solution are adsorbed by said metal-adsorbent compounds; and a target metal separation process wherein said porous structures are made to come into contact with a back-extraction solution so that the target metal ions that are adsorbed by said metal-absorbent compounds are transported to the back-extraction solution. | 02-06-2014 |
| 20140216207 | METHODS OF CONTROLLING NANOSTRUCTURE FORMATIONS AND SHAPES - A method of forming monodispersed metal nanowires comprising: forming a reaction mixture including a metal salt, a capping agent and an ionic additive in a polar solvent at a first temperature; and forming metal nanowires by reducing the metal salt in the reaction mixture. | 08-07-2014 |
| 20140230604 | RECOVERY OF METALS FROM ORES - A process for using an aqueous oxidizing solution includes at least steps of formulating the aqueous oxidizing solution by addition of ingredients to water; a metal solubilization step of oxidizing and thereby rendering soluble a desired at least one metal from a ground amount of ore in suspension; collecting a pregnant liquor from the suspension; and selectively removing at least a portion of the at least one metal from the liquor while at a pH of less than 3, such that any remaining liquid is a recyclable liquor. The aqueous oxidizing solution has a pH of less than 0.7 primarily as a result of the presence of at least one strong acid and persulphate anions. The aqueous oxidizing solution contains anions selected from a group consisting of chloride, bromide, iodide and nitrate. | 08-21-2014 |
| 20150082943 | PROCESS FOR PREPARING A FERRIC NITRATE REAGENT FROM COPPER RAFFINATE SOLUTION AND USE OF SUCH REAGENT IN THE LEACHING AND/OR CURING OF COPPER SUBSTANCES - This invention relates to a process for preparing a ferric nitrate (Fe(NO | 03-26-2015 |
