...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7914600 | Continuous production of titanium by the metallothermic reduction of TiCl A method for production of titanium particles or other metal of interest by a metallothermic reduction reaction of TiCl4 or other metal chloride in a reaction zone which comprises conducting the reaction in a fluidized bed reaction zone, and recycling par... | 03/29/2011 |
| 7837759 | Low temperature industrial process This invention relates to a method for producing titanium by reaction of titanium tetrachloride with magnesium in a reactor, wherein the temperature in the reactor is above the melting point of magnesium and below the melting point of magnesium chloride, wherein the... | 11/23/2010 |
| 6955703 | Process for the production of elemental material and alloys The present invention relates to a process for the production of an elemental material, comprising the step of reacting a halide of the elemental material with a reducing agent in solid form in a fluidized bed reactor at a reaction temperature which is below the mel... | 10/18/2005 |
| 6902601 | Method of making elemental materials and alloys A method of producing an elemental material or an alloy thereof from a halide or mixtures of halides is provided. The halide or mixtures thereof are contacted with a reducing gas in the presence of reductant material, preferably in sufficient quantity to convert the... | 06/07/2005 |
| 6586046 | Fluidized bed apparatus and method for treatment of nonspherical, nonequiaxed particles Apparatus and method for producing metallic flake having an environmental coating for use in oxidative and corrosive atmospheres. Fluidized bed techniques are utilized to perform a controlled oxidation of metallic particles that include aluminum. The flui... | 07/01/2003 |
| 6251158 | Production of granules of reactive metals, for example magnesium and magnesium alloy A process of producing granules of a reactive metal. The process comprises providing a source of molten reactive metal (41), forming discrete droplets (53) of the molten metal, contacting the droplets while still substantially molten with a fluidized bed ... | 06/26/2001 |
| 5958156 | Process for treating a particulate material within a rotating retort Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting movement in a ver... | 09/28/1999 |
| 5626645 | Process for making silver metal filaments A process for making silver metal particles from silver salt particles having the same morphology. Precursor silver salt particles selected from the group consisting of silver acetate and silver sulfide having a selected morphology are contained in a reac... | 05/06/1997 |
| 5549732 | Production of granules of reactive metals, for example magnesium and magnesium alloy A process of producing granules of a reactive metal. The process comprises providing a source of molten reactive metal, forming discrete droplets of the molten metal, contacting the droplets while still substantially molten with a fluidized bed of particl... | 08/27/1996 |
| 5352269 | Spray conversion process for the production of nanophase composite powders A process is described for the production of composite powders with ultrafine microstructures. The process involves three coordinated steps: 1) preparation and mixing of an appropriate starting solution; 2) spray drying to form a chemically homogeneous precursor po... | 10/04/1994 |
| 5230729 | Carbothermic reaction process for making nanophase WC-Co powders A new carbothermic reaction process is described for the thermochemical processing of nanophase WC-Co powders. The process permits shorter reaction times, reduced temperatures, and finer microstructures compared to conventional processing methods. The pro... | 07/27/1993 |
| 5149514 | Low temperature method of forming materials using one or more metal reactants and a halogen-containing reactant to form one or more reactive intermediates A low temperature process is described for forming a coating or powder comprising one or more metals or metal compounds by first reacting one or more metal reactants with a halide-containing reactant to form one or more reactive intermediates capable of r... | 09/22/1992 |
| 5125964 | Fluidized bed process for preparing tungsten powder Tungsten metal powder of controlled particle sizes is obtained in a fluid bed process by reducing particles of tungsten oxide having the formula WOX where x is from 2.5 to 3.0. The WOX powder particles are heated to and then maintain... | 06/30/1992 |
| 4877445 | Method for producing a metal from its halide A method for producing metal by the reduction of a metal halide by a reducing metal agent capable of continuously producing homogeneous metal of high purity. In the method, particles of the same metal as the metal to be produced are charged into a reactio... | 10/31/1989 |
| 4659376 | Fluid bed reduction to produce molybdenum metal Molybdenum trioxide in granular or powder form is reduced to molybdenum metal by stagewise fluid bed reduction wherein molybdenum trioxide is reduced to molybdenum dioxide using ammonia as the fluidizing-reducing gas at 400° C. to 650° C. and molybdenum... | 04/21/1987 |
| 4415527 | Desulfurization process for ferrous powder A method for producing a low carbon ferrous powder melt stock with a sulfur content of less than 5 parts per million is disclosed comprising the steps of atomizing molten steel into a powder, exposing the powder to a temperature of at least 2100° F. in a... | 11/15/1983 |
| 3967986 | Method of preparing ferromagnetic material A method of preparing iron powder for recording in which iron oxide hydrate powder is reduced by flowing hydrogen in intimate contact with the iron oxide hydrate powder, preferrably in a fluidized bed.... | 07/06/1976 |