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| Number | Title | Issue Date |
| 6899768 | Magnesium oxide particle aggregate The present invention is related to a magnesium oxide particle aggregate with the requirement of a first inflection point diameter is more than 0.30×10−6 to 0.60×10−6 m, a particle void volume is 0.50×10−3 to 0.90×10âˆ... | 05/31/2005 |
| 6835250 | Magnesium oxide particle aggregate An object of the present invention is to provide a magnesium oxide particle aggregate having a controlled particle aggregation structure so that the solid phase-solid phase reaction between magnesium oxide and the SiO2 film on the surface can be appropria... | 12/28/2004 |
| 6719924 | Superconducting device and method of manufacturing the same There is provided a superconducting device including a substrate, a first superconductor layer supported by the substrate and containing Ln, AE, M and O, and a second superconductor layer containing a material represented by a formula of (Yb1−yLn′ | 04/13/2004 |
| 6592782 | Materials and methods for the separation of oxygen from air Metal oxides particularly useful for the manufacture of catalytic membranes for gas-phase oxygen separation processes having the formula: Ax A'x' A"2-(x+x') By Fey' B"2-(y+y') O5+z wh... | 07/15/2003 |
| 6589449 | High-melting-point conductive oxide, method of manufacturing the same, and high-temperature electrically conductive material based on the oxide A high-melting-point conductive oxide includes a mixture of a powdered Sr compound and Ru compound and/or Ru metal. The mixture is sintered at a primary temperature of 900° C. to 1300° C. in an atmosphere containing oxygen to form a sintered body that i... | 07/08/2003 |
| 6471890 | Method for producing a positive electrode active material for an alkaline storage battery The method for producing a positive electrode active material for an alkaline storage battery is disclosed. The method includes a first oxidation treatment of a raw material powder comprising a nickel hydroxide solid solution and cobalt hydroxide to oxidi... | 10/29/2002 |
| 6193776 | Alkaline earth metal peroxide product A homogeneous calcium/magnesium peroxide, its manufacture and use are described. The new calcium/magnesium peroxide is suitable in particular as an additive used as source of oxygen and acid buffer, e.g. in the application, processing, treatment and/or di... | 02/27/2001 |
| 5656037 | Reaction products of magnesium acetate and hydrogen peroxide for imparting antibacterial activity to fibrous substrates The preparation of water-insoluble, bactericidal, peroxide-containing products, by reaction of magnesium acetate with hydrogen peroxide, and products obtained are disclosed. Processes for application and deposition of these reaction products on natural, s... | 08/12/1997 |
| 5426310 | Method of heat-treating an oxide optical crystal and a heat treatment apparatus for carrying out the same A heat treatment method heats an oxide optical crystal in an oxygen atmosphere containing ozone to improve the light absorption characteristics of the oxide optical crystal so that the light absorption of the oxide optical crystal with light in wavelength... | 06/20/1995 |
| 5286285 | Finely powdery magnesium hydroxide and a process for preparing thereof A finely powdery magnesium hydroxide especially suitable as a flame-retardant filler for plastic compounds, in which the particles are provided optionally with a thin coating of a surfactant. The grain size of the magnesium hydroxide, measured by laser di... | 02/15/1994 |
| 4842832 | Ultra-fine spherical particles of metal oxide and a method for the preparation thereof Ultra-fine spherical particles of a metal oxide having an average particle diameter of 40 nm or smaller can be prepared by a method in which a vaporizable metal compound is vaporized and decomposed under heating to give ultra-fine particles of a metal oxi... | 06/27/1989 |
| 4758419 | Magnesium-aluminum-phosphorus-silicon-oxide molecular sieve compositions Crystalline molecular sieves having a three-dimensional microporous framework structures of MgO2, AlO2, SiO2 and PO2 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition... | 07/19/1988 |
| 4427644 | Process for the preparation of bivalent metal peroxides Disclosed is a continuous process for the production of bivalent metal peroxides, comprising the steps of introducing into an intensive mixing apparatus a solid, anhydrous or hydrated oxide or hydroxide of a bivalent metal; simultaneously introducing into... | 01/24/1984 |
| 4399633 | Production of alkali metal or alkaline earth metal peroxides Alkali metal or alkaline earth metal peroxides, for example, particularly, calcium peroxide, are produced by recovering a moist peroxide product from an aqueous mixture, formed by reacting hydrogen peroxide and a hydroxide or oxide of the alkali metal or ... | 08/23/1983 |
| 4128491 | Slow-dissolving perborate A particulate alkali metal perborate having an outer layer of chemically bound calcium in an amount of from about 0.4 to 2.0% by weight of the total particle, to slow down the rate of dissolution. A process for preparing said slow-dissolving perborate. Th... | 12/05/1978 |
| 4094758 | Process for preparing higher oxides of the alkali and alkaline earth metals The present invention relates to a process for preparing high purity inorganic higher oxides of the alkali and alkaline earth metals by subjecting the hydroxide of the alkali or alkaline earth metal to a radio frequency discharge sustained in oxygen. The ... | 06/13/1978 |
| 4092264 | Barium oxide coated zirconia particle for use in an oxygen extractor A process of manufacturing an oxide material for use in an oxygen generator. A quantity of dry zirconia particles is blended with Barium Peroxide particles and thereafter heated in a nitrogen atmosphere until the Barium Peroxide melts and coats the zircon... | 05/30/1978 |
