Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8173086 | Process of recovery of base metals from oxide ores A method for recovering base metal values from oxide ore is provided, where the ore includes a first group metal selected from iron, magnesium and aluminum and a second group metal selected from nickel, cobalt and copper. The method includes reducing ore particle si... | 05/08/2012 |
| 8012437 | Process for separating iron from other metals in iron containing feed stocks The invention is a method of separating metals such as zinc, lead and cadmium from iron in secondary feed stocks such as EAF Dust, BOF Sludge, mill scale, iron fines, tire dust and other iron and zinc containing residues and dusts. The method includes the steps of r... | 09/06/2011 |
| 7601314 | Reductive ammoniacal leaching of nickel and cobalt bearing materials A process for the recovery of nickel and/or cobalt from an impure nickel, cobalt or mixed nickel/cobalt material including the steps of: a) providing a nickel, cobalt or mixed nickel/cobalt material; and b) contacting the nickel, cobalt or mixed nickel/cobalt materi... | 10/13/2009 |
| 7410625 | Process of making metal containing iron oxide and iron sulfide based nanoparticle materials A method and structure for making magnetite nanoparticle materials by mixing iron salt with alcohol, carboxylic acid and amine in an organic solvent and heating the mixture to 200-360° C. is described. The size of the particles can be controlled either by changing ... | 08/12/2008 |
| 7357980 | Nonmagnetic powder comprising acicular iron and having specific porosity for a magnetic recording medium, method of manufacturing same, and magnetic recording medium using same A nonmagnetic powder, used for the nonmagnetic layer of a coated type magnetic recording medium having a multilayer structure, has good dispersibility in the binder in which it is dispersed to prepare a coating material that is applied to the nonmagnetic layer. The ... | 04/15/2008 |
| 7351391 | System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution A system and method of economically converting a spent first pickling acid solution that contains hydrochloric acid, water and ferrous chloride into a suitable second pickling solution. Sulfuric acid is added to the first pickling acid solution. This produces a rege... | 04/01/2008 |
| 7314569 | Treatment of arsenic-contaminated water using akaganeite adsorption The present invention comprises a method and composition using akaganeite, an iron oxide, as an ion adsorption medium for the removal of arsenic from water and affixing it onto carrier media so that it can be used in filtration systems. ... | 01/01/2008 |
| 7294319 | Method for precipitating iron from a zinc sulphate solution as hematite This invention relates to a method for the removal of iron as hematite from a zinc sulphate solution in atmospheric conditions during the electrolytic preparation of zinc. According to the method, the pH of the iron-containing solution is adjusted to a value of at l... | 11/13/2007 |
| 7288242 | Lithium-containing complex oxide and method of producing same A lithium-containing complex oxide exhibits a high performance as a cathode active material of a lithium secondary cell or the like and having a high tap density. A granular lithium-containing complex oxide, such as lithium manganese complex oxide, is made up of “... | 10/30/2007 |
| 7288241 | Black composite oxide particle and method for production thereof A black composite oxide particle includes a composite oxide having Fe, Mg and Al as metal components. The particle contains Fe, Mg and Al in amounts of 30 to 55 mass %, 1 to 10 mass %, and 1 to 10 mass %, respectively, and has an atomic ratio of Fe3+/Fe | 10/30/2007 |
| 7250072 | Removal of sulfur-containing impurities from volatile metal hydrides Method for the purification of a volatile metal hydride comprising obtaining a volatile metal hydride feed containing one or more acidic impurities, one of which is a sulfur-containing impurity; contacting the feed with an alkaline material and reacting at least a p... | 07/31/2007 |
| 7217406 | Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof Granular secondary particles of a lithium-manganese composite oxide suitable for use in non-aqueous electrolyte secondary batteries showing high-output characteristics which are granular secondary particles made up of aggregated crystalline primary particles of a li... | 05/15/2007 |
| 7217400 | Preparation of iron compounds by hydrothermal conversion An apparatus and continuous process for the conversion of one solid iron compound to another solid iron compound in a heterogeneous suspension wherein the suspension is formed by dispersing a solid starting iron compound in a liquid that is continuously fed through ... | 05/15/2007 |
| 7211237 | Solid state synthesis of lithium ion battery cathode material Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide precursors to form a finely-divided slurry containing well-distributed co... | 05/01/2007 |
| 7186395 | Iron oxides with a higher degree of refining Iron oxides are upgraded by calcining at from 700 to 1200° C. ... | 03/06/2007 |
| 7182929 | Nanostructured multi-component and doped oxide powders and method of making same A method for producing nanostructured multi-component or doped oxide particles and the particles produced therein. The process includes the steps of (i) dissolving salts of cations, which are either dopants or components of the final oxide, in an organic solvent; (i... | 02/27/2007 |
| 7166261 | Method of patterning products using chemical reaction A method of patterning magnetic material includes forming a ferromagnetic material layer containing one element selected from the group consisting of Fe, Co and Ni on a substrate, selectively masking a surface of the ferromagnetic material layer, and making nonferro... | 01/23/2007 |
| 7163667 | Production process for oxide magnetic material and oxide magnetic material A production process for an oxide magnetic material comprising the steps of blending raw material powder so as to take the composition of a hexagonal ferrite including: at least one kind of an element A selected from the group consisting of Ba, Sr and Ca; Co and Cu;... | 01/16/2007 |
| 7160525 | Monodisperse noble metal nanocrystals Nanoparticle compositions of noble metals, and methods of making them, are described. The nanoparticle compositions are made by reacting a salt or complex of a noble metal, such as Au, Ag, Cu or Pt, with a weak ligand, and a reducing agent, in a single liquid phase.... | 01/09/2007 |
| 7144561 | Method for the preparation of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of dilute acid recovery Described is a method for the manufacture of iron hydroxide, iron oxide hydrate or iron oxide from filter salts from thin acid recovery, in which the filter salts are dissolved in water, the solution is adjusted to a pH of | 12/05/2006 |
| 7141227 | Apparatus and method for preparing cerium oxide nanoparticles This invention provides a method for preparing cerium oxide nanoparticles with a narrow size distribution. The cerium oxide nanoparticles obtained by the method of the invention are nearly all crystalline. The method comprises providing a first aqueous solution comp... | 11/28/2006 |
| 7132164 | Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium A hexagonal ferrite magnetic powder having an average tabular diameter of from 15 to 30 nm, a coercive force (Hc) of from 2,000 to 5,000 Oe (from 160 to 400 kA/m) and a saturated magnetization (σs) of equal to or more than the average tabular diameter (nm)×0.37+45... | 11/07/2006 |
| 7128840 | Ultrasound enhanced process for extracting metal species in supercritical fluids Improved methods for the extraction or dissolution of metals, metalloids or their oxides, especially lanthanides, actinides, uranium or their oxides, into supercritical solvents containing an extractant are disclosed. The disclosed embodiments specifically include e... | 10/31/2006 |
| 7122168 | Shape anisotropic metal oxide nanoparticles and synthetic method thereof In a metal oxide nanoparticle and a synthetic method thereof, and in particular to maghemite (γ-Fe2O3) nanoparticles usable as a superhigh density magnetic recording substance by having good shape anisotropy and magnetic characteristics, hemat... | 10/17/2006 |
| 7118719 | Method for the hydrolytic precipitation of iron The invention relates to a method for the hydrolytic precipitation of iron as jarosite from a sulphate-containing solution in connection with zinc recovery from zinc calcine. The recovey contains neutral leach, ferrite leach, zinc electrolysis and iron precipitation... | 10/10/2006 |
| 7118727 | Method of making oxide particles The present invention provides a process for producing particles, such as oxide nanoparticles, in a substantially water-free environment. The process involves mixing at least one metal compound of the formula MX(m−n) with at least one surfactant and at ... | 10/10/2006 |
| 7115242 | Method for the synthesis of ferrates A method of synthesis of alkali metal ferrates and alkaline earth metal ferrates, in which a trivalent iron compound is mixed with potash and optionally persulphate, and the mixture is heated at a temperature in the range of about 250 to about 500° C. for about 1 t... | 10/03/2006 |
| 7014881 | Synthesis of multi-element oxides useful for inert anode applications An inert anode 50, for use in an electrolytic cell 12 for producing metals such as aluminum, is made by providing chemical source materials 100 such as at least two of metal salts, metal particles, or metal oxides and dissolving them to form a s... | 03/21/2006 |
| 6986968 | Cathode active material for lithium secondary cell and method for manufacturing the same A cathode active material for a lithium secondary cell used in a cellular phone is disclosed. The cathode active material for the lithium secondary cell and the method the same having a high capacity and a long lifetime, different from LiCoO2 and LiMn | 01/17/2006 |
| 6849208 | Nickel mixed hydroxide, method for the producing the same, and the use thereof as a cathode material in alkaline batteries The invention relates to a nickel mixed hydroxide with Ni as the main element and with a layer structure, comprising at least one element Ma from the group comprising Fe, Cr, Co, Ti, Zr and Cu which is present in two different oxidation states which diffe... | 02/01/2005 |
| 6835332 | PROCESS FOR PRODUCING AN ELECTRODE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, AN ELECTRODE STRUCTURAL BODY FOR A RECHARGEABLE LITHIUM BATTERY, PROCESS FOR PRODUCING SAID ELECTRODE STRUCTURAL BODY, A RECHARGEABLE LITHIUM BATTERY IN WHICH SAID ELECTRODE STRUCTURAL BODY IS USED, AND A PROCESS FOR PRODUCING SAID RECHARGEABLE LITHIUM BATTERY A process for producing an electrode material for a rechargeable lithium battery, comprising the steps of mixing a metal compound (a) of a metal (a′) capable of being electrochemically alloyed with lithium, a transition metal compound (b) of a transition metal (bâ... | 12/28/2004 |
| 6811759 | Method of producing iron oxide pellets A method for producing an iron oxide pellet including the steps of adding water to a raw material mixture comprising iron oxide which serves as a primary component, a carbonaceous material in an amount sufficient for reducing the iron oxide, an organic binder in an ... | 11/02/2004 |
| 6758991 | Stable inert anodes including a single-phase oxide of nickel and iron Ceramic inert anodes useful for the electrolytic production of aluminum are disclosed. The inert anodes comprise an oxide of Ni and Fe having a controlled Ni/(Ni+Fe) mole ratio which results in a single-phase structure at the operation temperatures of aluminum produ... | 07/06/2004 |
| 6746653 | Process for recovering catalyst transition metals from salt-containing reaction mixtures Transition metals may be recovered from a salt-containing mixture containing at least one transition metal compound, salts, and organic compounds by separating from the salt-containing mixture a mixture of the transition metal compound and the salts. This mixture, t... | 06/08/2004 |
| 6716555 | Positive active material for secondary battery, process for preparation thereof and non-aqueous secondary battery comprising same The positive active material for secondary battery according to the invention comprises O, Fe in an amount of higher than 25% by weight, and V in an amount of from higher than 0% by weight to less than 35% by weight. The positive active material, when it is free of ... | 04/06/2004 |
| 6712997 | Composite polymers containing nanometer-sized metal particles and manufacturing method thereof The present invention relates to composite polymers containing nanometer-sized metal particles and manufacturing method thereof, which can be uniformly dispersed nanometer-sized metal particles into polymers, thereby allowing the use thereof as optically, electrical... | 03/30/2004 |
| 6682713 | Iron sulfides, processes for producing the same, iron sulfide mixture, heavy metal treating agent, and method of treating with the agent Novel iron sulfides having excellent durability and excellent treating properties of heavy metals, processes for producing the iron sulfides, iron sulfide mixture, a heavy metal treating agent containing either of these novel iron sulfides as an effective... | 01/27/2004 |
| 6627120 | Conductive paste and laminated ceramic electronic component In order to achieve miniaturization and an increase in the capacitance of a monolithic ceramic capacitor, a conductive paste suitable for forming an internal conductor film is provided, the layer thickness of the internal conductor film being decreased wi... | 09/30/2003 |
| 6627313 | Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same Spindle-shaped magnetic metal particles containing iron as a main component of the present invention, have an average major axis diameter (L) of 0.05 to 0.15 μm; a coercive force of 111.4 to 143.2 kA/m; a Co content of from 0.5 to less than 5 atm % based... | 09/30/2003 |
| 6627118 | Ni alloy particles and method for producing same, and anisotropic conductive film A crystalline Ni alloy particle for an anisotropic conductive film comprising Ni and a metalloid element such as P, B, etc. and having a structure in which a Ni intermetallic compound phase is precipitated can be produced by preparing substantially amorph... | 09/30/2003 |
