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| Number | Title | Issue Date |
| 7998241 | Method for recovering rhodium The present invention provides a method for recovering rhodium sponge in high yield from ammonium hexachloro rhodate solution. The method comprises adding formic acid to ammonium hexachloro rhodate solution to reduce the rhodate, recovering reduced rhodium as rhodiu... | 08/16/2011 |
| 7288325 | Hydrogen storage material based on platelets and/or a multilayered core/shell structure A hydrogen storage material includes a nano size material that can be formed in a multi-layered core/shell structure and/or in a nanotabular (or platelet) form. ... | 10/30/2007 |
| 7246516 | Device for coupling thermogravimetric analyses and acoustic emission measurements The present invention relates to a device comprising a thermobalance equipped with a detector (5) for measuring acoustic signals emitted by a sample (6) hanging from the balance beam and a preamplifier (2) incorporated in the vicinity of the hea... | 07/24/2007 |
| 7217312 | Method of recycling metallic coated scrap pieces A method of recycling metallic coated scrap pieces wherein the coating layer liquidus temperature is lower than the core layer solidus temperature, such as brazing sheet scrap pieces, or metallic coated scrap pieces wherein the upper part of the melting range of the... | 05/15/2007 |
| 6921497 | Composition of matter tailoring: system I The present invention relates to new compositions of matter, particularly metals and alloys, and methods of making such compositions. The new compositions of matter exhibit long-range ordering and unique electronic character. ... | 07/26/2005 |
| 6641641 | Method for producing metal or metal compound comprising process of treating with fluorine and adjusted raw material used therein An object of the present invention is to provide a method for preventing concentration of a radioactive substance in a generated extraction residue in a method of producing tantalum, niobium, or a similar substance including collecting and refining a raw ... | 11/04/2003 |
| 6569358 | Method for incorporating metal nanoparticles in porous materials The method of preparing the porous material incorporating ultrafine metal particles comprises the following steps: (1) preparing surface-protected ultrafine metal particles by reducing metal ions in the presence of molecules such as dodecanethiol molecule... | 05/27/2003 |
| 6565773 | Conductive paste There is provided conductive paste wherein conductive fillers composed of copper micro-fibers are mixed into thermoplastic resin or thermosetting resin.... | 05/20/2003 |
| 6537345 | Method for decomposition and treatment of bond magnet A method for decomposition and treatment of a bond magnet, has: a decomposition process for making a bond magnet which is made by blending magnetic powder-like material with binder and being molded, contact with decomposition material which can decompose said ... | 03/25/2003 |
| 6372156 | Methods of chemically converting first materials to second materials utilizing hybrid-plasma systems In one aspect, the invention encompasses a method of chemically converting a first material to a second material. A first plasma and a second plasma are formed, and the first plasma is in fluid communication with the second plasma. The second plasma compr... | 04/16/2002 |
| 6365555 | Method of preparing metal containing compounds using hydrodynamic cavitation A process for the preparation of nanostructured materials in high phase purities using cavitation is disclosed. The method comprises mixing a metal containing solution with a precipitating agent and passing the mixture into a cavitation chamber. The chamb... | 04/02/2002 |
| 6332909 | Processing apparatus, processing system and processing method A processing apparatus capable of separating and recovering resins and metals, respectively, from an object being processed, which has resins and metals as its constituent, comprises a first gastight area (102), in which temperature and pressure are regul... | 12/25/2001 |
| 6165247 | Methods for producing platinum powders Platinum powders and methods for producing platinum powders. The powders preferably have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention al... | 12/26/2000 |
| 5968229 | Purification of metal containing solutions A process for the purification of solutions containing metals comprising neutralization of the solution, reduction of Fe(III) present, and elimination of ingoing dissolved zinc, whereby the ingoing solution containing metals is neutralized using magnetite... | 10/19/1999 |
| 5925165 | Process and apparatus for the 3-stage treatment of solid residues from refuse incineration plants In a method for processing solid residues from refuse incineration plants the slag is melted and heavy metals from the melt (16) are separated for reutilization. The slag is directly transferred from the refuse incineration plant into a first heating cham... | 07/20/1999 |
| 5902374 | Vacuum refining method for molten steel The present invention relates to a molten steel refining method for refining molten steel, the carbon content of which is not more than 0.1 weight %, by blowing oxygen gas for decarburization at a blowing speed so that a cavity, the depth of which is 150 ... | 05/11/1999 |
| 5885324 | Method for the production of synthetic rutile Synthetic Rutile is prepared from raw ilmenite ore by a method comprising activating ilmenite and subjecting it to a multi-stage countercurrent leaching process in hot hydrochloric acid.... | 03/23/1999 |
| 5882377 | Process for smelting reduction of chromium ore In this invention, the smelting reduction operation can be carried out in a high efficiency by charging a carbonaceous material in such an amount that total surface area is not less than 60 m2 per 1 ton of slag weight. Carbon substance finely p... | 03/16/1999 |
| 5868817 | Process for producing steel by converter The present invention provides a process for efficiently dephosphorizing, dephosphorizing and decarbonizing, or desulfurizing, dephosphorizing and decarbonizing a hot metal in a converter. The amount of flux to be charged and the amount of bottom-blown ga... | 02/09/1999 |
| 5849061 | Process for refining high-impurity copper to anode copper A process for refining high-impurity blister copper to anode quality copper is disclosed. In an oxidation step of a blister copper refining stage, soda ash fluxing removes antimony and arsenic while also removing sulfur and iron. In a deoxidation step of ... | 12/15/1998 |
| 5804424 | Process for the production of hydrogen using photosynthetic proteobacteria The invention relates to Proteobacteria that show unusually high level resistance to a wide range of metal oxides and oxyanions and to methods using selected Proteobacteria subgroups for efficient reduction of certain metal oxides and oxyanions to the fre... | 09/08/1998 |
| 5755853 | Process for the treatment of solid residues containing metals, in particular residues from the cleaning of household garbage incineration smoke This process comprises; mixing (1) the solid residues with a solid reducing agent; treating (2) the mixture in a furnace at a temperature above 1000° C. to obtain (3) a vitrified product rendered poor in metals and an emission of gas enriched in metallic... | 05/26/1998 |
| 5749940 | Method for producing high grade reduced silver The known method comprises the following steps. (1) the de-copperized anode slime is chlorination-leached with HCl and H2 O2. (2) Na2 CO3 is added to the chlorination-leach residue of (1). (3) NH3 is ... | 05/12/1998 |
| 5623725 | Process for producing very pure platinum materials, semi-finished parts and foils dispersion-reinforced with Y203 Process for producing very pure platinum materials dispersion-reinforced with Y2 O3 and having high strength and extensibility, even in the temperature range >800° C., from platinum powder by mechanical alloying, which comprises the... | 04/22/1997 |
| 5366891 | Biochemical solubilization of toxic salts from residual geothermal brines and waste waters A method of solubilizing metal salts such as metal sulfides in a geothermal sludge using mutant Thiobacilli selected for their ability to metabolize metal salts at high temperature is disclosed, The method includes the introduction of mutated Thiobacillus... | 11/22/1994 |
| 5354688 | Anaerobic microbial remobilization of coprecipitated metals A process is provided for solubilizing coprecipitated metals. Metals in wastestreams are concentrated by treatment with an iron oxide coprecipitating agent. The coprecipitated metals are solubilized by contacting the coprecipitate with a bacterial culture... | 10/11/1994 |
| 5352608 | Bioreduction of metal oxides and oxyanions by photosynthetic bacteria The invention relates to Proteobacteria that show unusually high level resistance to a wide range of metal oxides and oxyanions and to methods using selected subgroups for efficient reduction of certain metal oxides and oxyanions to the free metal. High l... | 10/04/1994 |
| 5240495 | In situ formation of metal-ceramic oxide microstructures In situ formation of metal-ceramic oxide microstructures is carried out on a starting oxide phase containing at least a most noble metallic component (e.g., iron) and a least noble metallic component (e.g. manganese) and subjecting the starting oxide phas... | 08/31/1993 |
| 5199973 | Method of disposing of medical sharps A method of successfully disposing of, or recycling, waste metals comprising placing the waste metals in an aluminum container, placing the container in a crucible containing a mixture of powdered aluminum and iron oxide, initiating a self-sustaining reac... | 04/06/1993 |
| 5128004 | Method for processing ash residues as well as glaze-kilns useful therein A method for processing ash residues and other solide combustion products, derived from combustion of waste materials in furnaces whereby the ash and other combustion products are gradually supplied in a continuous manner into the high side of a glaze-kil... | 07/07/1992 |
| 5125965 | Method for maintaining fluidization in a fluidized bed reactor A process for enhancing fluidization in a fluidized bed reactor chamber. In a preferred embodiment, molybdenum oxide is reduced to molybdenum metal in the fluidized bed. An oxidant is introduced into the fluidized bed during the reducing process in order ... | 06/30/1992 |
| 4623385 | Method of and apparatus for introducing additives into a metal bath For introducing additives, such as inoculating agents, into a metal bath, the additive is held in a supply container. A slide device carries measured amounts of the additive from the supply container to an immersion pipe extending downwardly into a metal ... | 11/18/1986 |
| 4229289 | Fluidized bed apparatus and process An apparatus and process for conduct of fluidized bed reactions having an improved grate wherein at least one substantially continuous open slot sufficiently wide for passage of heavy solid particles is provided for preferential removal of heavy particles... | 10/21/1980 |
| 4144148 | Method and apparatus for treating metal containing waste waters Method for treating metal containing waste water employing a vessel containing the waste water in which there is provided at least one anode and a cathode comprised of a plurality of electrically conductive elements and in which the waste water is subject... | 03/13/1979 |
| 3933637 | Fluid handling and separating For separating slag from heavy metal melts, as iron, steel and copper, a pipe-like body is used into which the slag and metal are drawn and which is rotated about its axis to cause the molten metal to form a layer within the pipe-like body on the outside ... | 01/20/1976 |
