Class 75/671 - Aluminum(Al)

Subclass of Class 75 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
Definition: Process in which Aluminum (Al) is produced or a metal that
No. of patents: 19
Last issue date: 06/26/2007

Number	Title	Issue Date
7235226	Method for generating hydrogen gas utilizing activated aluminum fine particles By activating aluminum fine particles obtained by milling aluminum alloy in water, reactivity of the aluminum fine Particles at low temperature is improved. The activation comprises a thermal shock treatment wherein the aluminum fine particles are repeatedly heated ...	06/26/2007
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
7192564	Method for recycling spent lithium metal polymer rechargeable batteries and related materials The method relates to a pyrometallurgical and hydrometallurgical process for the recovery and recycling of lithium and vanadium compounds from a material comprising spent rechargeable lithium batteries, particularly lithium metal gel and solid polymer electrolyte re...	03/20/2007
6811589	Method for adding solid zinc-aluminum to galvanizing baths The process of the present invention is directed to a method for making zinc or zinc-aluminum alloy additions to galvanizing baths. The process involves addition of a wire of zinc or zinc-aluminum alloy introduced directly into a molten galvanizing bath to more rapi...	11/02/2004
6293209	Process for treating a material containing metal and organic matter, including metal separation A process for treating a raw material containing aluminum or a similar metal melting at a low temperature and organic matter, including metal separation, particularly intended for the treatment of liquid container rejects consisting of aluminum foil, poly...	09/25/2001
6146443	Pre-treated carbon based composite material for molten metal An improved shaft suitable for use in the treatment of molten aluminum including pumping or fluxing employing an impeller, comprised of a shaft material comprised of a carbon or graphite surface treated to provide a reacted surface and a refractory layer ...	11/14/2000
6143055	Carbon based composite material for molten metal An improved shaft suitable for use in the treatment of molten aluminum including pumping or fluxing employing an impeller, comprised of a shaft material comprised of a carbon or graphite having an exterior surface and a refractory layer provided to cover ...	11/07/2000
5855644	Method for recovering aluminium from materials containing metallic aluminium According to the present method it is possible to recover metallic aluminium easily and at high recovery rate and low cost from metallic aluminium containing wastes disposed recently in great amounts, said wastes being, for example, aluminium can, alumini...	01/05/1999
5573574	Electrorefined aluminium with a low content of uranium, thorium and rare earths A process for obtaining aluminum of purity above 99.998%. A liquid aluminum raw material is subjected to a fractional crystallization to obtain prepurified aluminum crystals in a yield of between 50 and 80% and a liquid aluminum portion of lesser purity. ...	11/12/1996
5513207	Melting furnace and method An aluminum can melting furnace in which a slip stream of molten material is diverted from a main molten bath in the furnace, a vortex is formed in the diverted slip stream, and thin walled aluminum can feedstock is introduced into the vortex. The feedsto...	04/30/1996
5290535	Process for recycling saltcake Saltcake generated by the aluminum industry is completely recycled through a process that simultaneously liberates the contained aluminum metal and dissolves the soluble salt fluxes to recover aluminum metal, aluminum oxide and salt fluxes by temperature ...	03/01/1994
5279645	Bauxite processing An improved process for the removal of organic matter from bauxite ore containing gibbsite comprises heating the ore under roasting conditions including a roasting temperature of from about 400° C. to about 600° C. with oxygen-containing roasting gas ha...	01/18/1994
5078572	Molten metal pump with filter A molten metal pump includes a filter that prevents ingestion of foreign material such as dross from molten metal within which the pump is immersed. The filter is a large structure that is secured to the base of the pump surrounding the pump's inlet. The ...	01/07/1992
5057150	Production of aluminum master alloy rod A continuous process is described for the production of an aluminum master alloy, e.g. an Al-Ti-B grain refining rod, in which molten aluminum is continuously passed through a confined reaction zone. Particulate titanium and/or boron precursor compounds, ...	10/15/1991
4990059	Method for filtering liquid-phase metals A method and apparatus is provided for filtering liquid-phase metal. The method comprises the steps of: (1) establishing a bath of liquid-phase metal; (2) providing a conduit connecting the bath to a filtering means; and (3) producing a magnetic field wit...	02/05/1991
4654088	Decoating of aluminum scrap A method of removing organic coatings from scrap aluminum which includes passing a bed of the scrap metal supported on a gas-permeable conveyor through a pyrolysis zone and passing an oxygen-containing hot gas downwardly through the scrap metal bed, the c...	03/31/1987
4588438	Moulded object of alumina matter-containing raw material for aluminum smelting by blast furnace method The present invention provides a moulded object of alumina matter-containing raw material for aluminum smelting by a blast furnace method. The moulded object for aluminum smelting is formed by coating a moulded object comprising the alumina matter-contain...	05/13/1986
4411695	Metallic scrap decontamination process In a process for decontaminating contaminated metallic scrap, an oxygen bearing hot gas stream is passed into the inlet end of a container and is discharged from an exit end of the same container. The decontaminated scrap is loaded in the container at the...	10/25/1983
3984234	Method and apparatus for circulating a molten media A method and apparatus for moving molten media such as molten metal or molten salt through a metal treating system utilizing a vaned disc immersed in the media and located in a cylindrical portion of an open-ended volute so as to provide above the disc a ...	10/05/1976

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Class 75/671 - Aluminum(Al)