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Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 75/327 - Containing Alkaline earth metal compound or Aluminum(Al) compound


Subclass of Class 75 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
Definition: Composition containing an Alkaline earth metal compound
No. of patents: 33
Last issue date: 07/13/2010


NumberTitleIssue Date
7753988Use of alumina-carbon agglomerates in the carbothermic production of aluminum
An agglomerate comprising alumina, carbon, and a binder for use in a vapor recovery reactor of a carbothermic alumina reduction furnace is disclosed. A method for using alumina-carbon agglomerates to capture aluminum vapor species and utilize waste heat from off-gas...
07/13/2010
6875251Continuous steelmaking process
A process for the manufacture of steel in which a charge material comprising direct reduced iron, and optionally containing steel scrap, is continuously charged into a stationary electric arc furnace. Inside the furnace, a bath of molten steel and a continuous slag ...
04/05/2005
6383250Steel making revert and process for preparing
Specific recycle materials are blended with hot slag and wet sludge to make a recyclable steelmaking revert. The specific recycle materials are kish, lime, glass, ferro-manganese and the like. The specific materials are blended with the slag and sludge in...
05/07/2002
6316125Aluminum 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
6171362Method for refining molten aluminum alloy and flux for refining molten aluminum alloy
A method for refining molten Al alloy and a non-halogen based flux for refining molten Al alloy which make it possible to perform refining such as removal of gas and inclusions at a high reduction level, and are free from a problem that the flux remains i...
01/09/2001
6136108Strontium master alloy composition having a reduced solidus temperature and method of manufacturing the same
Master alloy with 20-80% strontium, preferably 0.01-2.0% of aluminum and/or copper, and the balance essentially zinc plus impurities, and a method for preparing same and a method for modifying the microstructure of nonferrous alloys with said master alloy...
10/24/2000
6126714Revert manufactured from iron-bearing waste material
The invention is directed to a process for dehydrating and recycling back into a BOF converter wet BOF scrubber sludge to produce a steelmaking revert having an improved flow rate when handled in a recycle stream. Wet sludge is combined with hot BOF slag ...
10/03/2000
6059853Production of powder
A method of producing coated powder material is provided. In the method, molten metal or metal alloy is caused to fall in a stream (3) and is then atomized into a spray. A liquid or solid material of different composition is introduced and caused to conta...
05/09/2000
5912403Cold briquette of waste materials as an aggregate for smelting furnaces of an iron foundry and method of producing the same
The invention relates to the use of a briquette of waste materials as an aggregate for smelting furnaces of an iron foundry, in particular in cupola furnaces or other shaft furnaces. The object of the invention is to disclose the use of a briquette of was...
06/15/1999
5833881Composition for inhibiting deposits in the calcination of fluxed iron ore pellets
A stable aqueous solution comprising a water soluble salt of a magnesium compound, a surfactant and a calcium salt inhibitor is used to reduce deposits in kilns or furnaces used to make iron ore agglomerates, known as pellets, during iron ore calcination....
11/10/1998
5656062Method for inhibiting deposits in the calcination of fluxed iron ore pellets
A stable aqueous solution comprising a water soluble salt of a magnesium compound is used to reduce deposits in kilns or furnaces used to make iron ore agglomerates, known as pellets, during iron ore calcination....
08/12/1997
5516734Aluminum 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
5356454Mold powder for continuous casting
A mold powder for use in continuous casting, containing specified amounts of CaO, Al2 O3, TiO2, Li2 O, BaO, MgO, F and Na2 O, and further containing at least one of BN and C as aggregate. The mold pow...
10/18/1994
5127940Self-fluxing pellets to be charged into blast furnace, and method for producing same
Disclosed herein is a self-fluxing pellet to be charged into blast furnace, the pellets containing open pores of diameters larger than 5 μm in an amount greater than 0.045 cm3 /g. Calcium.ferrite structures with a thickness of 100 μm or great...
07/07/1992
5116417Composition and method for agglomerating ore
A binder composition is shown for agglomerating ore fines in a heap leaching ore recovery process. The binder composition comprises a calcareous component, a sulfate component and a siliceous-aluminous component such as fly ash. The ore fines are agglomer...
05/26/1992
5004524Refractory oxycompound/refractory hard metal composite and used in molten salt aluminum production cells
A composite material comprises a body, e.g., a slab, of a fused refractory oxycompound (3) having a multiplicity of discrete inclusions such as lumps (1) of an aluminum-wettable RHM in its surface. These bodies are especially useful as aluminum-wettable b...
04/02/1991
5002733Silicon alloys containing calcium and method of making same
A method of making a silicon alloy, and preferably a ferrosilicon alloy, having a controlled calcium content and optionally rare earth constituents wherein the calcium and rare earth constituents are separately introduced into the ferrosilicon smelting fu...
03/26/1991
4814005Flux material for steelmaking
A fused, hardened composition containing CaO, MgO and Al2 O3 for use in purifying molten metal during steel production and a method of making the same. The composition can be made up of electric arc furnace dust and lime or dolo-lime...
03/21/1989
4753676Method of desulfurizing iron
Iron is desulfurized with a compacted article composed of calcium carbide and a gas-generating solid whereby the article is disintegrated during desulfurization resulting in a substantial total consumption of the carbide and a resultant decrease of residu...
06/28/1988
4491471Composite pellet for use as a carbothermic reduction feed
A composite pellet for use as feed for a carbothermic alumina reduction furnace is disclosed. A carbonaceous core is surrounded by substantially carbon-free alumina shell. The resulting pellet has increased thermal and electrical stability in the reductio...
01/01/1985
4451293Slag-forming agent and process for producing the agent
A slag-forming agent comprising an aggregate of particulate material having a maximum diameter of 3.0 millimeters and containing at least 15 weight percent magnesium oxide, the aggregate being coated with from 5 to 20 weight percent cement, and a process ...
05/29/1984
4396425Addition agent for adding vanadium to iron base alloys
Addition of vanadium to molten iron-base alloys using an agglomerated mixture of V2 O3 and calcium-bearing reducing agent....
08/02/1983
4353739Desulphurization of ferrous melts
Method of desulphurizing a ferrous melt comprises injecting into the melt lime-containing particles having smooth surfaces, a low tendency to absorb moisture and blocked pores formed by solidification of molten inorganic matter in the pores of the lime. M...
10/12/1982
4292075Slow fade inocculant and a process for the inocculation of melted cast iron
A slow fade cast iron inocculant is made up of (a) a silicon-containing matrix of iron silicon alloys and having a crystal structure, (b) compounds, present in the matrix crystal structure, of high-melting point calcium aluminum silicates, generally in the for...
09/29/1981
4288245Process for producing agglomerates of metal containing ores and the product of the process
A process is provided for the agglomeration or pelletizing of metallic ores in the presence of water with a binder containing an alkali metal salt of carboxymethyl cellulose in an amount of at least 0.01%, calculated on the weight of the dry ore material,...
09/08/1981
4165233Treating molten metallurgical slag
The invention relates to a method and compositions for modifying the physical and/or chemical characteristics of metallurgical slags and cinders by injection into the latter, during pouring in the molten state, between the ladle and the cooling pit. These...
08/21/1979
4134946Process for briqueting fluorspar with sodium carbonate
Fluorspar is formed into briquettes by thoroughly mixing fluorspar ore with water and an agglomerating agent, for example sodium carbonate, pressing the mixture and calcining the pressed product....
01/16/1979
4127407Method of making a casting powder
A casting powder which consists of lime, alumina and silicates (or silica), with or without alkali-metal compounds serving as fluxing agents, is made by expanding the particles from a particle size of less than 40 microns to a particle size in excess of 6...
11/28/1978
4053304Flux for refinement of pro-eutectic silicon crystal grains in high-silicon aluminum alloys
A grain-refining flux in the form of vitrified spheroids, ranging in diameter from about 5 to 40 mm., and consisting of, by weight, 95 - 65% of sodium hexametaphosphate and 5 - 35% of alumina. It is highly effective irrespective of the Si content of the a...
10/11/1977
4015978Method for production of magnesium-containing briquets and magnesium
Briquets having an overall bulk density in the range of 1.4 to 2.2 g/cm3, squeeze strength at room temperature in the range of 30 to 230 kg/cm2, an overall porosity in the range of 35 to 55% and a refractoriness in the range of Pyrom...
04/05/1977
4001007Material for sintering emitting a lesser amount of nitrogen oxide and a method for manufacturing the same
A material for sintering capable of emitting a lesser amount of nitrogen oxide during sintering thereof to produce a sintered ore. It is composed of finely divided coke concentrated within a predetermined range in an outer shell layer of agglomerated part...
01/04/1977
3999978Method for making steel by the use of a flux treated by carbon dioxide
A quicklime is treated by CO2 gas so as to form a CaCO3 film on the surface of the particle thereof. It serves to prevent moisture absorption so that a steel making process, especially for the production of low hydrogen steel, can be...
12/28/1976
3964899Additives to improve slag formation in steelmaking furnaces
In steelmaking, the formation of a lime-based desulphurising slag is promoted by adding, with the lime, an additive including at least 20% by weight Al2 O3 and including one or more of oxide of iron, magnesium, manganese and titanium...
06/22/1976
 
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