Bizarre Patents
A new toilet tank assembly aquarium for housing aquatic creatures.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7498007 | Process to recover vanadium contained in acid solutions A process for recovery of vanadium dissolved in acid solutions or liquors by precipitating it out as vanadium pentoxide. Separation is carried out by adding calcium hydroxide, quicklime or calcium carbonate to the acid solution or liquor, producing a precipitate of ... | 03/03/2009 |
| 7365369 | Nitride semiconductor device A nitride semiconductor device used chiefly as an LD and an LED element. In order to improve the output and to decrease Vf, the device is given either a three-layer structure in which a nitride semiconductor layer doped with n-type impurities serving as an n-type co... | 04/29/2008 |
| 7332141 | Process to separate the vanadium contained in inorganic acid solutions A chemical process that recovers the vanadium contained in inorganic acid solutions, precipitating it as a solid compound of vanadium and alkali metal or monovalent cation ferrocyanide, is disclosed. Separation is carried out electrochemically, depositing the compou... | 02/19/2008 |
| 7276225 | Process for producing niobium and tantalum compounds A process for producing valve metal oxides, such as tantalum pentoxide or niobium pentoxide with a narrow particle size distribution within a desired particle size range, is provided. According to the process of the present invention, the valve metal fraction from d... | 10/02/2007 |
| 7238122 | Ormocer composites for golf ball components A golf ball comprising a core; a cover layer; and a barrier layer disposed between the core and the cover layer, the barrier layer being formed from a composition comprising an organically-modified ceramic material (also referred to as ormocers, ceramers, ormosils, ... | 07/03/2007 |
| 7214362 | Purification method for producing high purity niobium compound and/or tantalum compound An object of the present invention is to provide a method for purifying a highly pure niobium compound and/or tantalum compound, the method enabling the purification of a highly pure niobium compound and tantalum compound in a simplified manner at a low cost. The ob... | 05/08/2007 |
| 7182925 | Tantalum concentrates dissolution and purification method A method for the dissolution and purification of tantalum ore and synthetic concentrates is described. The method preferably uses ammonium bifluoride as the fluoride source in place of the hydrofluoric acid used in the conventional methods. Other fluoride compounds ... | 02/27/2007 |
| 7175823 | Purification method for producing high purity niobium compound and/or tantalum compound The present invention provides a method enabling the high purification of a niobium compound and/or tantalum compound in a simplified manner at a low cost. This is accomplished by providing a method enabling the high purification of a niobium compound and/or tantalu... | 02/13/2007 |
| 7157063 | Process for the utilization of vanadium from chromium ore as vanadium (V) oxide Process wherein the vanadium present in the chromium ore chromite is recovered as vanadium pentoxide during the course of the fusion of the chromium ore with alkali and its work-up to produce sodium chromate solution and sodium dichromate. ... | 01/02/2007 |
| 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 |
| 7094327 | Compositions for the treatment of magnesium alloys The invention relates to a composition for treating magnesium alloys aimed at improving the resistance thereof to corrosion. The composition is an aqueous solution with a pH ranging between 7 and 10, containing a niobium salt, hydrofluoric acid, and optionally a zir... | 08/22/2006 |
| 7083996 | Nitride semiconductor device and manufacturing method thereof A nitride semiconductor device includes a GaN substrate having a single-crystal GaN layer at least on its surface and plurality of device-forming layers made of nitride semiconductor. The device-forming layer contacting the GaN substrate has a coefficient of thermal... | 08/01/2006 |
| 7049347 | Method for making fine and ultrafine spherical particles of zirconium titanate and other mixed metal oxide systems Disclosed is a method for making amorphous spherical particles of zirconium titanate and crystalline spherical particles of zirconium titanate comprising the steps of mixing an aqueous solution of zirconium salt and an aqueous solution of titanium salt into a mixed ... | 05/23/2006 |
| 7037965 | Golf balls comprising glass ionomers, ormocers, or other hybrid organic/inorganic compositions A golf ball comprising a core and a cover layer, wherein at least one of the core or cover layer comprises a hybrid material that contains fatty acid-modified glass ionomers, an ormocer or other inorganic-organic materials. ... | 05/02/2006 |
| 7015053 | Nitride semiconductor laser device A nitride semiconductor laser device has an improved stability of the lateral mode under high output power and a longer lifetime, so that the device can be applied to write and read light sources for recording media with high capacity. The nitride semiconductor lase... | 03/21/2006 |
| 6833123 | Method for liquid chromate ion and oxy-metal ions removal and stabilization A method for removing at least one of chromate and other oxy-metal ions from liquid solutions includes contacting the liquid solution with solid barium compounds as adsorbents so that the at least one of chromate and other oxy-metal ions in liquid solution are subje... | 12/21/2004 |
| 6806295 | Sol-gel processing with inorganic metal salt precursors Methods for sol-gel processing that generally involve mixing together an inorganic metal salt, water, and a water miscible alcohol or other organic solvent, at room temperature with a macromolecular dispersant material, such as hydroxypropyl cellulose (HPC) added. T... | 10/19/2004 |
| 6800260 | Processes for treating iron-containing waste streams Processes for treating iron containing waste streams are provided. According to these processes, metal-containing compounds, particularly iron oxides are produced. These methods may, for example, be used in the processing of the waste streams from the chlorination o... | 10/05/2004 |
| 6764663 | Process for producing vanadyl/vanadous sulphate A process for preparing a reconstituted vanadyl sulphate/vanadous sulphate solution for use as an electrolyte in a vanadium redox battery is disclosed. The process includes preparing a starting material including a vanadyl sulphate/vanadous sulphate solution, evapor... | 07/20/2004 |
| 6743936 | Composites made using functionalized nanoparticles There are disclosed amphoteric nano-sized metal oxide particles functionalized with silyl esters of a phosphonate and composites thereof with an acrylate-based monomer, including liquid crystal monomers photopolymerizable at ambient temperature. Also disclosed are t... | 06/01/2004 |
| 6596254 | Niobate-based octahedral molecular sieves Niobate-based octahedral molecular sieves having significant activity for multivalent cations and a method for synthesizing such sieves are disclosed. The sieves have a net negatively charged octahedral framework, comprising niobium, oxygen, and octahedra... | 07/22/2003 |
| 6485629 | Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant A process for separating a first source of a heavy metal ion or mixtures of heavy metal ions, (Me1), from a solution comprising a complex of said Me1 and EDDS, (Me1 -EDDS), by displacement of said Me1 with a sec... | 11/26/2002 |
| 6383459 | Method for purifying a tantalum compound using a fluoride compound and sulfuric acid A direct dissolution method for the purification of technical grade hydrated ammonium tantalum oxide (HATO), (NH4)2-x Hx Ta2 O6.nH.sub.2 O), and related compounds such as tantalum hydroxide and tantal... | 05/07/2002 |
| 6306356 | Separation and recovery of metal values from natural bitumen ash High yields of vanadium containing virtually no nickel or magnesium are obtained from natural bitumen ash consisting of up to 5% carbon, more than 95% of water-soluble compounds of vanadium, nickel and magnesium by mixing the ash with water to produce a 2... | 10/23/2001 |
| 6010676 | Method for making a highly pure tantalum compound Highly pure tantalum compounds are made by slurrying hydrated ammonium tantalum oxide or tantalum hydroxide with concentrated sulfuric acid followed by dissolution with concentrated hydrofluoric acid. After diluting the concentrated acidic solution with w... | 01/04/2000 |
| 5980749 | Inclusion methods for purifying a solvent Disclosed are methods for purifying solvents, by causing contaminants to be included within layers of dispersed layered materials, and then separating the restacked combined contaminant/layered material from the solvent. The methods may be utilized to rem... | 11/09/1999 |
| 5635146 | Method for the dissolution and purification of tantalum pentoxide A method is disclosed for the dissolution and purification of tantalum pentoxide. The impure tantalum pentoxide is reacted with a potassium-containing compound to form potassium tantalate. The potassium tantalate is optionally slurried with sulfuric acid ... | 06/03/1997 |
| 5620936 | Recovery of spent catalyst A process is disclosed for converting a spent catalyst from conventional fluorination processes into a commercially useful tantalum or niobium salt such as K2 TaF7 or K2 NbF7. The process broadly relates to diss... | 04/15/1997 |
| 5547588 | Enhanced ettringite formation for the treatment of hazardous liquid waste A process for treatment of hazardous liquid waste comprising trace amounts of hazardous elements in solution as oxyanions by oxyanion fixation within ettringite and related minerals. In accordance with the disclosed process, reagents for forming ettringit... | 08/20/1996 |
| 5494648 | Process for removing thorium and recovering vanadium from titanium chlorinator waste A process for removal of thorium from titanium chlorinator waste comprising: (a) leaching an anhydrous titanium chlorinator waste in water or dilute hydrochloric acid solution and filtering to separate insoluble minerals and coke fractions from soluble me... | 02/27/1996 |
| 5437848 | Recovery of metal values from process residues A process for recovering metal and acid values from a source material containing metallic fluorides comprises digesting the source material in sulfuric acid to form a slurry, separating a fluoride containing solid phase and a metal containing first liquid... | 08/01/1995 |
| 5432016 | Magnetic head slider material A material for a magnetic head slider consists essentially of 0.1 to 20.0 vol % of at least one of oxides the group Va elements of the International Periodic Table (Ta, Nb, V) and 80.0 to 99.9 vol % of stabilized cubic ZrO2 containing a stabili... | 07/11/1995 |
| 5407603 | Vanadium oxide colloidal dispersons and antistatic coatings A process for the preparation of a vanadium oxide colloidal dispersion is provided. The process includes a step of hydrolyzing vanadium oxoalkoxide with an excess of water to form a vanadium oxide colloidal dispersion containing at least a minimum effecti... | 04/18/1995 |
| 5384105 | Metal and fluorine values recovery from mineral ore treatment The process for recovering Ta/Nb values from highly flourinated ore materials by the process of; (a) contacting the materials with one or a mixture of HNO3 or HCl, and H3 BO3 wherein the H3 BO3 to other ac... | 01/24/1995 |
| 5372796 | Metal oxide-polymer composites A method of making metal oxide clusters in a single stage by reacting a metal oxide with a substoichiometric amount of an acid in the presence of an oxide particle growth terminator and solubilizer. A method of making a ceramer is also disclosed in which ... | 12/13/1994 |
| 5334334 | Method of preparing lithium battery electrode compositions Fine particles of vanadium oxide or compound thereof, respectively represented by the general formulas V2 O5 and LiV3 O8, are prepared by freeze-drying a wet mixture containing a precursor. Alternatively, such o... | 08/02/1994 |
| 5279804 | Vanadium removal in aqueous streams Disclosed is a method of removing soluble vanadium from an aqueous stream containing sodium chromate or sodium bichromate. The liquor is passed over a water-insoluble trivalent chromium compound, and the vanadium in the liquor is extracted from the liquor... | 01/18/1994 |
| 5271910 | Process of treating metal chloride wastes A process of treating metal chloride wastes produced by chlorination of titanium ore comprises the steps of: (a) leaching said metal chloride wastes in a hydrochloric acid (HCl)-containing solution to obtain a solution containing solids and dissolved meta... | 12/21/1993 |
| 5230876 | Removal of vanadium from phosphoric acid An apparatus for removing vanadium from phosphoric acid includes a precipitator that receives vanadium-containing process-feed phosphoric acid and adds an oxidant to the process-feed phosphoric acid, whereupon precipitates containing phosphorus and vanadi... | 07/27/1993 |
| 5209910 | Process for the recovery and separation of tantalum and niobium Improved solvent extraction recovery of tantalum and niobium oxides from an acid solution of raw materials containing such oxides wherein the charged organic solvent [e.g., MIBK] is washed out (a) with 8-16N sulfuric acid and then (b) with water or dilute... | 05/11/1993 |
