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| Number | Title | Issue Date |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7179566 | Positive electrode active material for secondary cell, positive electrode for secondary cell using same, and secondary cell A cathode active material for a secondary battery including a lithium-manganese composite oxide having a spinel structure and represented by the following general formula (I), Lia(MxMn2-x-y-zYyAz)(O4-w | 02/20/2007 |
| 7064238 | Conversion of alkanes to oxygenates A process is provided for converting an alkane to an oxygenated product by passing an alkane gas over a first fixed bed containing a higher valence bromide salt to produce an alkyl bromide, a hydrobromic acid, and a lower valence bromide salt. The alkyl bromide and ... | 06/20/2006 |
| 6979434 | Method for producing potassium fluorotantalate crystal being low in oxygen content and method for producing potassium fluoroniobate crystal being low in oxygen content, potassium fluorotantalate crystal being low in oxygen content and potassium fluoroniobate crystal The object of the present invention is to provide a method of producing low oxygen-containing potassium fluorotantalate crystals or low oxygen-containing potassium fluoroniobate crystals, the crystals obtained by the production method, and a method of analyzing oxyg... | 12/27/2005 |
| 6926912 | Metal compounds, mixed or sulphated, as phosphate binders A non-aluminum containing mixed metal compound for pharmaceutical use, which may, for example, be a mixed metal hydroxy carbonate containing magnesium and iron, and may have a hydrotalcite structure, preferably a non-aged hydrotalcite structure. Other metals, includ... | 08/09/2005 |
| 6849199 | Snow and ice-melting granules and method for preparing same Snow and ice-melting granules prepared from compacted blends of salts of alkali and/or alkaline earth metals and a method for preparing such granules, are provided. The inventive granules have improved mechanical properties and, as such, are not readily reduced to a... | 02/01/2005 |
| 6835320 | Zinc-modified composite polybasic salt, process for producing the same, and use A composite metal polybasic salt containing a trivalent metal, zinc metal and a divalent metal as metal components and having a novel crystal structure, and a method of preparing the same. The invention further deals with a composite metal polybasic salt which has a... | 12/28/2004 |
| 6800268 | Method for producing potassium fluoroniobate crystals and potassium fluoroniobate crystals Disclosed herein is a method for producing potassium fluoroniobate crystals by which highly pure, large-sized potassium fluoroniobate crystals can be obtained in high yield and which is advantageous from the viewpoints of material cost and material-dissolving operat... | 10/05/2004 |
| 6767665 | Method for producing molten salts with an extruder and use of the molten salts The invention relates to a method for producing molten salts and their mixings, using an extruder. The starting materials are melted and reacted and the products of the reaction are then guided via a column with alkali salt. ... | 07/27/2004 |
| 6764669 | Method for producing fluorinated potassium tantalate crystal Disclosed herein is a method for producing potassium fluorotantalate crystals, comprising heating, to 60° C. or higher, a starting solution prepared by adding hydrofluoric acid and hydrochloric acid, and, if necessary, water to a highly pure tantalum solution, addi... | 07/20/2004 |
| 6737195 | Positive active material for rechargeable lithium battery and method of preparing same Disclosed is a positive active material for a rechargeable lithium battery. The positive active material includes at least one compound represented by formulas 1 to 4 and a metal oxide or composite metal oxide layer formed on the compound. ... | 05/18/2004 |
| 6733738 | Method and device for the continuous production of NaAlCl4 or NaFeCl4 The invention relates to a method and a device for the production of NADCl4 in which D is aluminium or iron, where, in a first reaction step, a melt of aluminium or iron is reacted with chlorine gas to give gaseous metal halide, and this is subsequently r... | 05/11/2004 |
| 6682712 | Process for the preparation of lithium hexafluoroarsenate The present invention provides a novel thermal solid state method for the synthesis of lithium hexfluoroarsenate either in a two step or a single step method, preferably at last substantially in the solid state.... | 01/27/2004 |
| 6558643 | Method for ammonia removal from waste streams Methods for direct reduction of ammonia from waste streams by the steps of reacting an aqueous ammonia containing waste stream with a solution of a strong acid and a metal salt, wherein the cation in said metal salt of said solution is selected from the g... | 05/06/2003 |
| 6555078 | Method of preparing lithium salts The present invention provides an inexpensive process for the preparation of lithium salts of formula LiX having a desired or required level of purity using lithium chloride and lithium sulfate. In the process of the invention, a lithium salt selected fro... | 04/29/2003 |
| 6540939 | Templated compositions of inorganic liquids and glasses An inorganic liquid or glass of hybrid composition including an inorganic component; and a template component, wherein the inorganic component and the template component are present in composition in a ratio that provides an intermediate range structural ... | 04/01/2003 |
| 6428778 | Process for the synthesis of finely divided antiperspirant active ingredient suspensions A process for synthesis of finely divided antiperspirant suspensions includes providing an antiperspirant salt consisting essentially of an Al salt which is effective as an antiperspirant and which is described by an empirical formula as follows: Al(OH)( | 08/06/2002 |
| 6406677 | Methods for low and ambient temperature preparation of precursors of compounds of group III metals and group V elements Processes are provided for preparation of precursors of Group III-V compounds, i.e., nitrides, phosphides, arsenides, antimonides and bismuthides of boron, aluminum, gallium and indium. The precursors are easily converted, e.g., by thermal decomposition, ... | 06/18/2002 |
| 6383405 | Solid electrolyte particles comprising MAg4I5 This invention comprises a process for generating particles of MAg4 I5, wherein M is a monovalent cation, which comprises dissolving AgI and MI in a polar solvent followed by precipitating particles of MAg4 I5 b... | 05/07/2002 |
| 6136302 | Process of making zirconium-aluminum antiperspirant active Disclosed is a process for making zirconium-aluminum salts for use as antiperspirant active, which process comprises the step of anhydrous mixing of a zirconium salt and an aluminum salt to form a zirconium-aluminum salt, wherein the mixture of zirconium ... | 10/24/2000 |
| 6060031 | Method for neutralizing acid gases from laser exhaust The device and method of the invention provide a neutralizing compound that reacts with acid gases generated in laser exhaust to yield an insoluble non-toxic powder.... | 05/09/2000 |
| 5955048 | Process for making flash activated hydrotalcite There is provided a flash activated hydrotalcite which, when extruded to sizes of about 1/16 inch or more, has a crush load strength of at least about 7 pounds. The process for making this extrudate includes: (a) providing a hydrotalcite compound; (b) hea... | 09/21/1999 |
| 5891361 | Method for preparing small particle size fluoride up-converting phosphors Spherical particles of fluoride up-converter phosphors having a particle size of 1 micron and less can be made from their corresponding precursor hydroxycarbonate particles by heating the hydroxycarbonate particles in an oxygen-containing atmosphere to co... | 04/06/1999 |
| 5885542 | Halo-zeo-type materials Disclosed herein is a novel class of halide-based framework solids based on a Znn Cl2n parentage, as zeo-types are related to Sin O2n. These materials, referred to as halo zeo-type materials, constructed from Le... | 03/23/1999 |
| 5879651 | Process for the preparation of basic polyaluminum chlorosulphates and applications thereof The present invention relates to a process for the preparation of basic polyaluminium chlorosulphates. This process consists, after basification, in carrying out cooking at a temperature between 60° C. and 95° C. such that the cooking time is proportion... | 03/09/1999 |
| 5876637 | Luminescent copper aluminum halide materials A system for displaying luminescence comprises a crystalline structure comprising a compound having the formula: -CuAlX4 wherein the compound has lattice parameters a=b ranging from 5.430(1) Å to 5.751(3) Å; c ranging from 10.069(1) Å to 1... | 03/02/1999 |
| 5861133 | Synthetic chalcoalumite compounds and process for producing thereof A synthetic chalcoalumite compound represented by the formula (1) (Zna-x2+ Mx2+)Al43+ (OH)b (An-)c.mH.sub.2 O (1) wherein M2+... | 01/19/1999 |
| 5840792 | Lithium, Aluminum, magnesium/zinc hydroxide salt There is incorporated as a stabilizer into a halogen-containing resin a complex hydroxide salt represented by the formula Al2 (Li.sub.(1-x).Mx)(OH)6 !n (A-n)1+x.mH.sub.2 O wherein A is an inor... | 11/24/1998 |
| 5814291 | Simplified synthesis of anion intercalated hydrotalcites The present invention is one-step method for synthesizing a synthetic anion intercalated hydrotalcite material. The method comprises reacting an aluminum source with a magnesium source in the presence of an inorganic acid of the anion to be intercalated, ... | 09/29/1998 |
| 5788948 | Process for the production of fluorometallate salts useful in the processing of mineral sands and related materials The present invention relates to a process for the production of intermediates useful in the processing of mineral sands and related materials characterized in that the process comprises: (a) dissolving a metal fluoride or metal chloride compound in an organic... | 08/04/1998 |
| 5776424 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalen inorganic anions There is provided a method for making a monovalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite ... | 07/07/1998 |
| 5730951 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with polyvalent inorganic anions There is provided a method for making a polyvalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite ... | 03/24/1998 |
| 5728363 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds There is provided an improved method for making synthetic hydrotalcite by first reacting powdered magnesium oxide with a high surface area, transition alumina in a solution or suspension to form a meixnerite-like intermediate. This intermediate is then co... | 03/17/1998 |
| 5728364 | Two powder synthesis of hydrotalcite and hydrotalcite like compounds There is provided an improved method for making synthetic hydrotalcite by first reacting a divalent metal compound with a trivalent metal oxide powder in a carboxylic acid-free, aqueous solution or suspension to form an intermediate. This intermediate is ... | 03/17/1998 |
| 5728365 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with divalent inorganic anions There is provided a method for making a divalent inorganic anion-intercalated hydrotalcite-like material by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free aqueous suspension to form a meixnerite inte... | 03/17/1998 |
| 5728366 | Two powder synthesis of hydrotalcite and hydrotalcite-like compounds with monovalent organic anions There is provided a method for making monovalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in a carboxylic acid-free, aqueous suspension to form a meixnerite inte... | 03/17/1998 |
| 5626827 | Basic aluminum antiperspirant active materials having enhanced activity, antiperspirant active compositions containing such materials, and methods for preparation of such materials and compositions Disclosed are basic aluminum antiperspirant materials having univalent complex oxoanions (e.g., nitrate); methods of making such materials; antiperspirant compositions containing such basic aluminum materials, another antiperspirant active material (e.g.,... | 05/06/1997 |
| 5578286 | Two powder synthesis of hydrotalcite-like compounds with divalent or polyvalent organic anions There is provided a method for making a divalent or polyvalent organic anion-intercalated hydrotalcite-like materials by first reacting a magnesium-containing powder and a transition alumina powder in an aqueous suspension to form a meixnerite intermediat... | 11/26/1996 |
| 5498402 | Metal-magnesium compounds The present invention relates to metal-magnesium compounds, a process for preparing same and the use thereof, especially for the preparation of finely divided, possibly amorphous, metal and alloy powders and/or of intermetallic compounds, both procedures ... | 03/12/1996 |
| 5439616 | Infrared light-excited light-emitting substance An infrared light-excited light-emitting substance given by the general formula: R1x R2(1-x)Baz Cl3+2z where R1 is a rare-earth element, x satisfies the relation 0.01 | 08/08/1995 |