Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures inventions 02/07

20070039416 - Ti(c,n)-(ti,nb,w)(c,n)-co alloy for finishing and semifinishing turning cutting tool applications: A titanium based carbonitride alloy contains Ti, Nb, W, C, N and Co. The alloy also contains, in addition to Ti, Co with only impurity levels of Ni and Fe, 4-7 at % Nb, 3-8 at % W and has a C/(C+N) ratio of 0.50-0.75. The Co content is 9-<12... Agent: Drinker Biddle & Reath (dc)

20070039417 - Method for preparing nano-complex-powder comprising multiple components and silver: Disclosed is a method for preparing nano-complex-powder comprising multiple components and silver. The method includes the steps of mixing 0.01-5.0% (weight percentage concentration) of silver nitrate solution with 0.001-5.0% of zinc nitrate solution, 0.001-5.0% of iron nitrate solution and 0.001-5.0% of copper nitrate solution, adding adequate amount of surfactant solution,... Agent: Rosenberg, Klein & Lee

20070039418 - Method for producing steel ingot: A method for producing a steel ingot, which comprises an Mg oxide forming step of preparing a molten steel containing Mg in an amount sufficient for the molten steel to have an oxide composition having MgO as a primary component and a dissociation step of keeping the pressure of the... Agent: Sughrue Mion, PLLC

20070039419 - Treatment of reclaim water for use in metals recovery: A process for improving the recovery of gold from gold-bearing solutions formed from carbonaceous ore using a cyanide lixiviant, the process comprising treatment of tailings pond water with H2SO5 before introduction into a gold-recovery system such that the water has a total concentration of CN− and SCN− reduced by at... Agent: Senniger Powers

20070039420 - Method for improving metals recovery using high temperature pressure leaching: The present invention is directed to a system for recovering metal values from metal-bearing materials. During a reactive process, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend to passivate the reactive process or otherwise encapsulate the metal... Agent: Snell & Wilmer

20070034048 - Hardmetal materials for high-temperature applications: Hardmetal compositions each including hard particles having a first material and a binder matrix having a second, different material comprising rhenium or a Ni-based superalloy. Tungsten may also be used a binder matrix material. A two-step sintering process may be used to fabricate such hardmetals at relatively low sintering temperatures... Agent: Fish & Richardson, PC

20070034049 - Continuous process for the use of metal carbonyls for the production of nano-scale metal particles: A process for producing nano-scale metal particles includes feeding at least one metal carbonyl into a reactor vessel; exposing the metal carbonyl to a source of energy sufficient to decompose the metal carbonyl and produce nano-scale metal particles; and depositing or collecting the nano-scale metal particles.... Agent: Waddey & Patterson, P.C.

20070034051 - Process for the use of metal carbonyls for the production of nano-scale metal particles: A process for producing nano-scale metal particles includes feeding at least one metal carbonyl into a reactor vessel; exposing the metal carbonyl to a source of energy sufficient to decompose the metal carbonyl and produce nano-scale metal particles; and depositing or collecting the nano-scale metal particles.... Agent: Waddey & Patterson, P.C.

20070034050 - Process for the use of metal carbonyls for the production of nano-scale metal particles formed of non-noble metals: A process for producing nano-scale metal particles includes feeding at least one metal carbonyl into a reactor vessel; exposing the metal carbonyl to a source of energy sufficient to decompose the metal carbonyl and produce nano-scale metal particles; and depositing or collecting the nano-scale metal particles.... Agent: Waddey & Patterson, P.C.

20070034052 - Production of metal nanoparticles: A process for the production of metal nanoparticles. The process comprises a rapid mixing of a solution of at least about 0.1 mole of a metal compound that is capable of being reduced to a metal by a polyol with a heated solution of a polyol and a substance that... Agent: Jaimes Sher, Esq. Cabot Corporation

20070034053 - Production of active nickel powder and transformation thereof into nickel carbonyl: Active nickel powder is produced by reducing a feed material, containing one or more reducible nickel salts, such that when nickel chloride is present, the weight ratio of chloride to total nickel is greater than 0.1 and the reducible nickel salts have a surface area in excess of 1 m2/g,... Agent: Fulbright & Jaworski L.L.P.

20070034054 - Method for the treatment of aluminum in a furnace: Methods for treating aluminum in a furnace. An aluminum charge is introduced into a furnace and melted with heat from at least one burner. The burner is supplied with at least one oxidizer and at least one fuel. The oxidizer is made up of at least 10% oxygen by volume.... Agent: Air Liquide

20070034055 - Method and apparatus for producing reduced metal: It is an object of the present invention to provide a technique for solving the following problem by properly controlling the flow of gas such as air (oxidizing gas): a problem that the degree of reduction cannot be increased due to the air entering a feedstock-feeding zone or a discharging... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070034056 - Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material: A process for the recovery of nickel and cobalt from laterite ores, the process including the steps of: a) beneficiating the ore to separate it into a beneficiated upgraded ore fraction and a coarse, siliceous low grade rejects fraction which is substantially free from fines and clay materials; b) separately... Agent: Stites & Harbison PLLC

20070022839 - Syntheses and applications of nano-sized iron particles: The present invention relates to syntheses of nano-sized iron particles formed by mixing a source of ferrous iron with a combination of reducing agent and base, and the particles formed therefrom.... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20070022840 - Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same: A method of efficient separation/purification for obtaining high-purity silver chloride which eliminates the necessity of a pretreatment of a refining intermediate comprising sparingly soluble silver compounds and impurity elements when silver chloride is separated from the refining intermediate and purified to a high degree and which enables the silver chloride... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070022842 - Device and method for enhancing zinc yield from bottom dross: A device for removing dross from the bottom of a molten metal bath comprises a perforated basket assembly for receiving said dross, pumping means for pumping said bottom dross and molten metal from the bottom of the molten metal bath into the perforated basket assembly when the perforated basket assembly... Agent: Cantor Colburn, LLP

20070022841 - Direct casting utilizing stack filtration: A casting system includes a filtration assembly including a filter vessel housing spaced filters pre-heated to a temperature approximating a pouring temperature of molten material to be filtered to prevent breakage of the filter due to thermal shock from contact with the molten material. Preferably, an induction coil is used... Agent: Sand & Sebolt

20070022843 - Recovery of platinum group metals: A process of recovering platinum group metals (PGMs) from a pregnant solution or leachate containing PGM values and base metals, typically a cyanide solution or leachate. A non-selective precipitation of the PGM values and base metals to form an insoluble precipitate comprising the PGM values and base metals is followed... Agent: Mccarter & English, LLP