Class 75/328 - Containing free metal

Subclass of Class 75 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
Definition: Composition that contains metal in the zero valent or free
No. of patents: 41
Last issue date: 07/25/2006

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Number	Title	Issue Date
7081150	Additive for inoculation of cast iron and method An additive for increasing the toughness of thin-wall iron castings is provided. The additive includes amounts of a non-ferrous metal oxide and a metal sulfide in which the non-ferrous metal has an affinity for oxygen less than that of iron, and the metal has an aff...	07/25/2006
6866696	Additive for production of irons and steels A technique for producing iron utilizes agglomerations, such as briquettes or tablets, or powders, that include a sulfur-containing material such as iron sulfide, and and oxygen containing material such as iron oxide. The agglomerations or powders are substantially ...	03/15/2005
6328781	Mold cover powder for continuous casting of steel, especially very-low-carbon steels A method of making a powder for covering an ingot mold for the continuous casting of steel, in particular steels with ultra-low carbon content. The powder comprises a base powder and particles of at least one metal nitride, its free carbon content being b...	12/11/2001
6316125	Aluminum welding process and composition for use in same The invention provides a new and improved process and exothermic reaction mixture for producing molten weld metal. The molten weld metal is used in joining one metallic piece with at least one other metallic piece. The process and exothermic reaction mixt...	11/13/2001
6293988	Inoculant and inoculant method for gray and ductile cast irons A new technique for producing ferrosilicon free inoculating agents for gray and ductile irons utilizing oxy-sulfide forming elements combined with sulfur and oxygen and 1) mechanically pressed into an insert or tablet for placement into foundry sand molds...	09/25/2001
6102983	Cast iron inoculant and method for production of cast iron inoculant The invention relates to an inoculant for the manufacture of cast iron with lamellar, compacted or spheroidal graphite. The inoculant comprises between 40 and 80% by weight of silicon, between 0.5 and 10% by weight of calcium and/or strontium and/or bariu...	08/15/2000
5876482	Mould cover for continuous casting of steel, especially very-low-carbon steels A powder for covering an ingot mold for the continuous casting of steel, in particular steels with ultra-low carbon content. The powder comprises a base powder and particles of at least one metal nitride, its free carbon content (%Cfree) being ...	03/02/1999
5858525	Synthetic gasket materials for use in high-pressure presses A synthetic gasket material for use in a high-pressure press includes a major proportion of clay mineral powder having sufficient lubricity to flow in a high-pressure press, a minor proportion of at least one hard material powder having a sufficiently gre...	01/12/1999
5695861	Solder active braze Solder active braze compositions are disclosed which enable the formation of circuit traces having improved leach resistance during soldering operations so that it is not necessary to apply protective coatings onto the circuit traces. Additionally, the so...	12/09/1997
5516734	Aluminum nitride refractory materials and methods for making the same The present invention broadly relates to novel aluminum nitride matrix ceramic composite bodies for use as refractory materials and methods for making the same. The refractory materials are useful in environments which are corrosive, erosive, abrasive and...	05/14/1996
5298051	Method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby This invention relates generally to a novel method of manufacturing a composite body, such as a ZrB2 -ZrC-Zr (optional) composite body, by utilizing a post-treatment process and to the novel products made thereby. More particularly, the inventi...	03/29/1994
5264023	Cored wire with a content of passivated pyrophoric metal, and the use thereof The invention concerns a cored wire comprising a metal tube and a filling of magnesium or other pyrophoric metals passivated with from 0.5 to 5% by weight of organic nitrogen compounds. As the passivating agent, compounds from the series of the s-triazine...	11/23/1993
5089049	Passivation of pyrophoric metals The present invention provides a process for the passivation of pyrophoric metals and especially of magnesium by coating with a passivation agent, wherein, as passivation agent, there is used 0.5 to 5% by weight of an s-triazine derivative and/or a guanid...	02/18/1992
4786469	Grain refining metals The invention provides a grain refinement method for copper-based metals, which method can be applied to a range of different types of such metals. In accordance with the method, one arranges that a melt of the metal to be grain refined contains each of t...	11/22/1988
4738715	Desulfurizing reagent for hot metal The invention provides an injectable powdered reagent for the desulfurization of hot metal, such as iron external to the blast furnace. The reagent includes a slag-forming component comprising burnt lime, metallurgical fluorspar, and petroleum coke. Magne...	04/19/1988
4728364	Electrode for the production of titanium articles that are free from low density inclusions The production of titanium articles that are free from low-density inclusions by the use of titanium sponge particles for melting which particles have substantially a maximum particle size of -6 mesh and finer, preferably -8 mesh and finer....	03/01/1988
4708739	Grain refining metals The invention provides a grain refinement method for copper-based metals, which method can be applied to a range of different types of such metals. In accordance with the method, one arranges that a melt of the metal to be grain refined contains each of t...	11/24/1987
4698095	Composite calcium clads for treating molten iron Composite calcium materials to be used for welding or refining steel, nickel, nickel alloy or iron alloy, which are produced by cladding a sheath of aluminum, iron or alloys thereof and a core consisting of (1) a mixture or an alloy of calcium or an alloy ther...	10/06/1987
4541867	Varnish-bonded carbon-coated magnesium and aluminum granules Varnish-bonded, carbon-coated metal granules are provided, the metal granules being preferably selected from the group consisting of magnesium, aluminum and alloys thereof. The coating may optionally contain at least one calcium compound, e.g., at least o...	09/17/1985
4533572	Process for producing varnish-bonded carbon-coated metal granules A process is provided wherein metal granules coated with a polymerizable oil are heated, while being mechanically mixed, to a polymerizing temperature to convert the oil coating to a varnish and the varnish coating thereafter heated to a higher temperatur...	08/06/1985
4462834	Ladle covering compound The exposed surface of a molten metal, ferrous or non-ferrous in a ladle is covered by an expanding insulating ladle covering compound that is capable of absorbing and removing non-metallic inclusions in a predictable volume. The compound includes burnt l...	07/31/1984
4432793	Ferroalloy for the treatment of cast metals and process A ferroalloy for the treatment by inoculation of cast iron with spheroidal graphite comprises from 0.005 to 3% by weight of at least one metal of the rare earth group and from 0.05 to 3% by weight of at least one element taken from the group comprising bi...	02/21/1984
4398947	Coated magnesium granules having anti-caking properties The invention provides an article of manufacture comprising magnesium granules characterized by a surface coating of at least one anti-caking agent selected from the group consisting of magnesium, calcium and aluminum stearate....	08/16/1983
4390498	Titanium-boron additive alloys A new high concentration titanium-boron additive alloy for addition to molten metals is provided comprising about 60% to 78% titanium, about 1.3% to 4.5% boron and the balance iron with residual impurities in ordinary amounts. Aluminum, zirconium, silicon...	06/28/1983
4385030	Magnesium ferrosilicon alloy and use thereof in manufacture of modular cast iron A magnesium ferrosilicon alloy for in-mold nodulization of ductile iron consisting of 5-15%, by weight of magnesium, 60-80% silicon, 0.1-1.5% calcium, 0.1-3.0% aluminum, 0-2.5% rare earth, and balance iron....	05/24/1983
4377411	Addition agent for cast iron An inoculating alloy for addition to molten cast iron is disclosed. The composition is a silicon ferro alloy containing five to eight percent calcium as its active ingredient....	03/22/1983
4364771	Product for the desulphurization of cast irons and steels The invention relates to a process for the desulphurization of cast irons and steels. The product is constituted of the combination of magnesium shot or magnesium alloy with rounded contours having a granulometry of between 0.1 and 3 mm and a granulated s...	12/21/1982
4279643	Magnesium bearing compositions for and method of steel desulfurization An injectable desulfurizing compound containing about 70% to about 95% fine mesh pulverized burnt lime, zero to about 20% fine mesh acid or ceramic grade fluorspar and about 1% to about 15% minus 20 mesh pure magnesium, salt coated magnesium, or magnesium...	07/21/1981
4244736	Yttrium containing alloys This invention relates to the production of oxidation resistant alloys containing iron, chromium, aluminium and yttrium and/or other rare earth metal or metals in which yttrium and/or other rare earth metal or metals is added to a melt in the form of a ma...	01/13/1981
4244737	Method and alloy for introducing machinability increasing ingredients to steel Lead, bismuth and tellurium and/or sulfur are added to steel, to increase the machinability of the steel, in an addition alloy consisting essentially of 5-40 parts lead, 5-40 parts bismuth, up to 6 parts tellurium and up to 25 parts sulfur. The alloy cont...	01/13/1981
4235649	Flux for brazing A fluoride flux for silver brazing comprises an iron powder, a cobalt powder, a nickel powder or a copper powder which has an average diameter of 1-100μ in a flux having a main component such as an alkali metal fluoride, an alkali fluoroborate, an alkali...	11/25/1980
4233065	Effective boron alloying additive for continuous casting fine grain boron steels An effective alloying additive for adding small (5-30 ppm) quantities of boron to steel which is continuously cast, said additive containing 0.5-1.5% boron, 8-15% calcium, 8.5-20% titanium, 40-60% silicon, up to 1.5% of aluminum, and balance iron. The add...	11/11/1980
4224070	Chloride salt-silicon containing slag compositions for cast iron melts A slag composite formed of chloride salts and silicon or a silicon alloy applied to the surface of magnesium-inoculated cast iron melts retards magnesium fade from the melt....	09/23/1980
4224063	Method of using iron modifier An iron modifier containing, percent by weight; the components being added into liquid iron in the form of a mixture of alloys and foundry coke in the following proportions, percent by weight: ______________________________________ silico-mishmetal 70 ...	09/23/1980
4224069	Transportation stable magnesium and iron diluent particle mixtures for treating molten iron In accordance with the invention, homogeneous bulk mixtures of about one weight part magnesium metal particles per 12 to 20 weight parts iron constituent particles are formed. The bulk mixtures are transportation and storage stable so that portions thereo...	09/23/1980
4189315	Process for the desulphurization of molten cast iron and treating agent A method of treating molten iron is disclosed. Iron shot controlled in particle size (0.04-0.20 inches) is coated with substantially pure magnesium (0.018-0.022 inches thick) and a wash coating of refractory (0.004-0.010 inches thick) is applied as an out...	02/19/1980
4189316	Iron modifier and method of using same An iron modifier containing, percent by weight; the components being added into liquid iron in the form of a mixture of alloys and foundry coke in the following proportions, percent by weight: ______________________________________ silico-mishmetal 70 ...	02/19/1980
4159906	Method and composition for the desulfurization of molten metals Molten metals, especially molten pig iron, are desulfurized by contacting them with a composition comprising calcium carbide or calcium cyanamide and an additive agent yielding water or hydrogen at the temperature of the molten metal; preferred as the add...	07/03/1979
4154606	Composition and method for the desulfurization of molten iron Finely granular desulfurizing agents for iron melts, consisting of at least one alkaline earth metal carbonate and at least one reducing metal carbide and optionally a reducing metal or an alloy thereof, are outstandingly effective in desulfurizing action...	05/15/1979
4152150	Particulate treating material A particulate treating material includes a particulated inoculant coated with an inhibitor for retarding the physical reaction between the inoculant and the molten iron into which the treating material is introduced. When introduced into molten iron, the ...	05/01/1979

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Class 75/328 - Containing free metal