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| Number | Title | Issue Date |
| 8012443 | Spherical calcium carbonate and method of producing the same When spherical calcium carbonate is produced by blowing a carbon dioxide gas or a carbon dioxide-containing gas into an aqueous suspension containing calcium hydroxide to react them, after start of the reaction, an aqueous solution or suspension of a water-soluble p... | 09/06/2011 |
| 7727501 | Compacted granular potassium chloride, and method and apparatus for production of same Apparatus and method are disclosed for the production of compacted granular potassium chloride with improved handling qualities. A binding ingredient such as sodium hexametaphosphate is blended with the potassium chloride feed material in advance of compaction. The ... | 06/01/2010 |
| 7465431 | Nanoscalar pyrogenically produced yttrium-zirconium mixed oxide Nanoscalar, pyrogenically produced yttrium-zirconium mixed oxide which has a BET surface area of between 1 and 600 m2/g, a total chloride content of less than 0.05 wt. % and does not exhibit a conversion into the monoclinic phase during storage is produce... | 12/16/2008 |
| 7435758 | Additive for producing the positive active material for lead-acid storage batteries, a method for its production, and its use Described is an additive for producing the positive active material for lead-acid storage batteries on the basis of finely divided tetrabasic lead sulfate. The additive contains a tetrabasic lead sulfate of an average particle size smaller than about 3 μm as well a... | 10/14/2008 |
| 7431912 | Producing method for zirconia hollow particles A producing method for producing zirconia hollow particles in which a zirconia powder mutually combines to form a porous shell layer thereby constructing a hollow structure, the method being characterized in mixing under a pressurized contact a resin powder and a zi... | 10/07/2008 |
| 7344693 | Process for producing zirconia powder There are provided: (I) a process for producing zirconia powder, which comprises the step of calcining a zirconium salt in an atmosphere containing hydrogen chloride, and (II) a process for producing zirconia powde... | 03/18/2008 |
| 7261867 | Production of silver sulfate grains using organo-sulfate or organo-sulfonate additives An aqueous precipitation process for the preparation of particles comprising primarily silver sulfate, comprising reacting an aqueous soluble silver salt and an aqueous soluble source of inorganic sulfate ion in an agitated precipitation reactor vessel and precipita... | 08/28/2007 |
| 7180068 | Scintillation materials with reduced afterglow and method of preparation Scintillation materials of this invention have an alkali halide host material, a (first) scintillation dopant of various types, and a variety of second dopants (co-dopants). In another embodiment, the scintillation materials of this invention have an alkali halide h... | 02/20/2007 |
| 7153360 | Template and methods for forming photonic crystals A self-assembled photonic crystal is formed using a template made by nanoimprint lithography. A layer of imprintable material is deposited on a substrate, a pattern is imprinted in the imprintable material to form a template (the pattern of the template being adapte... | 12/26/2006 |
| 7091250 | Additive for producing a positive active material for lead-acid storage batteries, a method for its production and a method for its use The present invention is an additive for producing a positive active material for lead-acid storage batteries on the basis of finely divided tetrabasic lead sulfate. The additive contains a tetrabasic lead sulfate of an average particle size less than about 3 μm as... | 08/15/2006 |
| 7063833 | Method of reducing staining of stannous in dentifrice compositions Disclosed are methods for reducing the staining of dentifrice composition containing stannous comprising administering to a subject the dentifrice composition. The dentifrice composition is a dual phase dentifrice and is contained in physically separated compartment... | 06/20/2006 |
| 7045091 | Transient liquid phase reactive sintering of aluminum oxynitride (AlON) A transparent aluminum oxynitride product is produced by a first heat treating step wherein a combination of Al2O3 and AlN at a temperature within the solid-liquid phase and a second step of sintering the heat treated combination at a temperatu... | 05/16/2006 |
| 7041267 | Granular sodium carbonate obtained by fluid-bed spray granulation and a process for its production The invention relates to a process for the production, by fluid-bed spray granulation, of granular sodium percarbonate having a low TAM value. According to the invention, in the fluid-bed spray granulation, an Mg compound in a quantity of 50 to 2,000 ppm, in particu... | 05/09/2006 |
| 7014828 | Process for stabilizing ammonium nitrate The invention relates to a method for producing thermally and mechanically stable ammonium nitrate by dissolving in nitric acid 1–3% by weight of reticulated metal silicate, before treatment with ammonia. The ammonium nitrate granules produced by this method swell... | 03/21/2006 |
| 6989142 | Precipitated calcium carbonate An abrasive precipitated calcium carbonate is provided that provides excellent cleaning properties without being excessively abrasive or damaging to gums or tooth surfaces. The abrasive, precipitated calcium carbonate has a primary particle size of about 1 μm to ab... | 01/24/2006 |
| 6969527 | Calcium hypochlorite blended tablets A non-Division 5.1 Oxidizer tablet consisting essentially of a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the blend contains at least about 17% by weight of water based on the total weight of the blend; contains from about 0.... | 11/29/2005 |
| 6969435 | Metal complexes for use as gas generants Gas generating compositions and methods for their use are provided. Metal complexes are used as gas-generating compositions. These complexes are comprised of a metal cation template, a neutral ligand containing hydrogen and nitrogen, and sufficient oxidizing anion t... | 11/29/2005 |
| 6949236 | Aminosulfonate product-treated nitrogen-containing salt particles Addition of an aminosulfonate product to an inorganic nitrogen-containing salt provides a composition of matter with improved properties. In particular, 2-acrylamido-2-methylpropanesulfonic acid and its derivatives can be added to ammonium nitrate to provide improve... | 09/27/2005 |
| 6931950 | System and processes for particulate analysis A system for analyzing particles including: a source of solid particles; a sampler apparatus attached to and integral with the source of solid particles which apparatus is adapted to enable removal of small amounts of sample material from the source; a sonication ce... | 08/23/2005 |
| 6913661 | Ammonium nitrate propellants and methods for preparing the same The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the ... | 07/05/2005 |
| 6896861 | Silicon oxide layer reduced in dangling bonds through treatment with hypofluorous acid, process for growing silicon oxide layer and method for deactivating dangling bonds therein Dangling bonds of silicon atoms tend to take place in silicon oxide grown on a silicon wafer due to oxygen deficiency; hypofluorous acid is introduced into the silicon oxide so that the hypofluorous acid reaches the dangling bonds through diffusion; the hypofluorous... | 05/24/2005 |
| 6824756 | Process for manufacturing and using a more stable formulation of sodium chlorite Method for producing stable sodium chlorite by pelletization of granular sodium chlorite with metal salt or salts forming hydrates with water of hydration in the pellets being more than 5% of the anhydrous weight of the sodium chlorite. Pelletized sodium chlorite ca... | 11/30/2004 |
| 6794065 | Photocatalytic material and photocatalytic article A photocatalytic material having titanium oxide crystals and anions X incorporated therein, which is prepared by at least one of a method comprising substituting anions X for some of the oxygen sites of titanium oxide crystals, a method comprising doping anions X be... | 09/21/2004 |
| 6676913 | Catalyst composition and method of controlling PFC and HFC emissions The present invention relates to a catalytic process for the destruction of PFC's and HFC's using a catalyst which comprises aluminum oxide that has preferably been stabilized through the addition of a stabilizing agent (such as, titanium, zirconium, or c... | 01/13/2004 |
| 6656723 | Odor controlling composition and methods of making and using The invention relates to a composition and method for controlling odors, the composition containing an activated lignin-derived complex containing a histosol compound, and optionally containing a hydrolytic enzyme, or at least one microorganism capable of... | 12/02/2003 |
| 6645444 | Metal nanocrystals and synthesis thereof A process for forming metal nanocrystals involves complexing a metal ion and an organic ligand in a solvent and introducing a reducing agent to reduce a plurality of metal ions to form the metal nanocrystals associated with the organic ligand. The nanocry... | 11/11/2003 |
| 6641622 | Process for preparing phase-stabilized ammonium nitrate A process for preparing phase stabilized ammonium nitrate comprises the following steps. A solution of ammonium nitrate (12), a phase stabilizer (26), and an inert liquid (20) is prepared. The solution is atomized to form a stream of droplets. The droplet... | 11/04/2003 |
| 6605234 | Polysulfide solutions and hydroxalkylaminium ions for stabilizing elemental sulfur Hydroxalkylaminium polysulfides are used to provide cold stability to ammonium polysulfide solutions. Hydroxyalkylaminium sulfides or polysulfides also are used to solubilize unwanted sulfur. Preferred aminium ions are monohydroxyalkylaminium ions, prefer... | 08/12/2003 |
| 6592839 | Tailoring nanocrystalline diamond film properties A method for controlling the crystallite size and growth rate of plasma-deposited diamond films. A plasma is established at a pressure in excess of about 55 Torr with controlled concentrations of hydrogen up to about 98% by volume, of unsubstituted hydroc... | 07/15/2003 |
| 6572833 | Ammonium nitrate bodies and a process for their production A process for the production of ammonium nitrate bodies in particulate form wherein an ammonium nitrate/water liquid mixture containing at least 92% and preferably at most 97.5% by weight ammonium nitrate, optionally with a proportion of the ammonium nitr... | 06/03/2003 |
| 6508995 | Process for producing phase-stabilized ammonium nitrate A method for producing phase-stabilized particulate ammonium nitrate (AN) through integration of a diamine complex of the metals copper, nickel or zinc into the crystal lattice of AN, wherein AN is reacted with inorganic CU, Ni and/or Zn compounds, is cha... | 01/21/2003 |
| 6475455 | Manufacturing method of spinel lithium manganese oxide for lithium secondary cell A manufacturing method of spinel type manganese oxide for a lithium ion secondary cell, includes pre-firing a mixture of lithium salt including lithium carbonate, manganese oxide, and heterogeneous metal, firing the mixture at 900 to 1200° C. to form a r... | 11/05/2002 |
| 6468942 | Absorptive-filtration media for the capture of waterborne or airborne constituents An adsorptive-filtration media for the capture of waterborne or airborne constituents. The media comprises a granular substrate and an amphoteric compound bonded to the substrate in the presence of a crystal inhibiting agent. The media can also comprise a... | 10/22/2002 |
| 6375914 | Method for treating silica gel A method for stabilizing silica gel wherein after the gel is precipitated it is treated in a solution consisting of a liquid which is preferably water, aluminium sulphate and a compound such as a carbonate, hydroxide or oxide of a divalent metal.... | 04/23/2002 |
| 6340452 | Sodium percarbonate and process for producing it The invention relates to a novel sodium percarbonate in the form of agglomerates of small crystals. The average particle size of the agglomerates is greater than 600 μm. The apparent density of the agglomerates is between 0.75 g/cm3 and 1.1 g/... | 01/22/2002 |
| 6312649 | Bio-tower A unitary structure containing a vertically integrated system for deodorizing composting gaseous effluents using scrubbers packed with means providing both extensive surface area for microorganism growth sites and cascading dispersion of microorganism-imp... | 11/06/2001 |
| 6197277 | Process for producing alumina particles having high dispersibility and plasticity Alumina particles having high dispersibility and plasticity, at least on the surface of which a phosphoric acid or phosphate is present and suitable for use as a material for pigments for paints, precision abrasives or ceramics. The alumina particles are ... | 03/06/2001 |
| 6036881 | Stabilized liquid lime dispersion for sewage treatment A stabilized lime slurry for treatment of biological solids in sewage. The composition preferably includes 30-36% calcium hydroxide, 10-16% potassium hydroxide, 2-4% potassium chloride, 2-4% magnesium hydroxide, all on a dry basis, and the balance in wate... | 03/14/2000 |
| 6022517 | Acicular calcite and aragonite calcium carbonate The present invention relates to a calcium carbonate composition having both calcite and aragonite crystalline morphology. More particularly, the present invention relates to an acicular calcite and an acicular aragonite product and a method for the produ... | 02/08/2000 |
| 5980789 | Modified gallium selenide crystals for high power nonlinear optical applications A new method for improving the mechanical properties and nonlinear optical performance characteristics of gallium selenide crystals (GaSe) is disclosed. A charge of GaSe crystals was doped with indium before being made into a crystal. The indium-doped GaS... | 11/09/1999 |
