Patents for C01F 7 - Compounds of aluminium (12,677)
01/2003
01/02/2003US20030003035 Starting particles are dispersed in a liquid thus forming a suspension; suspension flows through at least two separate conversion vessels which are connected in series and the suspension is agitated in each of these vessels
01/02/2003EP1080052B9 Method for making abrasive grain using impregnation, and abrasive articles
01/01/2003CN1388827A Synthesis of nanoparticles
01/01/2003CN1097622C Flaky aluminium oxide and pearlescent pigment, and producing process thereof
12/2002
12/31/2002US6500871 Partial hydrolysis of mineral salt, complexing with an anionic hydrophilic block copolymer, completely hydrolysing said precursor to obtain controlled growth of the mineral particles in the form of an aqueous dispersion
12/31/2002US6499680 Grinding media
12/27/2002WO2002094429A8 Method of preparing spherical pellets
12/26/2002US20020197333 DASC compositions, process for preparing same and suspensions containing same
12/26/2002US20020197204 Method for producing alpha-alumina formed body
12/25/2002CN1386705A Alpha-alumina fine powder and method for producing same
12/25/2002CN1097094C Method for solubilization of metal component from non-soluble fluoride-contg. Ta-Nb ore
12/24/2002CA2200282C Method for producing catalyst-grade alumina from aluminum sulphate
12/19/2002WO2002100924A2 Precursors of engineered powders
12/19/2002WO2002038500A3 Process for the rehydration of magaldrate powder
12/19/2002US20020192150 Thermally stable alumina particulates
12/18/2002EP1124759B1 Method and apparatus for precipitating and classifying solids in high concentrations
12/18/2002EP0981496B1 Method for making single or mixed metal oxides or silicon oxide
12/18/2002EP0830314B1 Porous inorganic oxide materials prepared by non-ionic surfactant templating route
12/18/2002CN1096419C Tech for avoiding separating out of soda crystal in evaporator
12/17/2002US6495709 Nonaqueous organic precursor for forming aluminum oxide in solution
12/12/2002WO2002098796A1 Spherical alumina particles and production process thereof
12/12/2002WO2002098795A1 Spherical alumina particles and production process thereof
12/12/2002US20020187097 Alumina fine powder and a method of producing the same
12/12/2002DE10221650A1 Mahlkörper sowie Verfahren zur Verwendung derselben Grinding media and methods of using same
12/11/2002EP1264799A1 Process for the purification of aqueous metal salt solutions
12/11/2002CN2525683Y Preparing equipment for aluminium lithiumite powder for producing smelting carbonate fuel battery diaphragm material
12/11/2002CN1095807C Composite alkali aluminium hydroxide carbonate, and process of production and use thereof
12/05/2002WO2002097163A1 Method for operating an aluminium pickling bath
12/05/2002WO2001020953A9 Method and apparatus for producing bulk quantities of nano-sized materials by electrothermal gun synthesis
12/05/2002US20020179755 Alumina milling media; bead mills
12/05/2002US20020178865 Precursors of engineered powders
12/05/2002DE10125933A1 Verfahren zum Betrieb eines Aluminium-Beizbades A method of operating an aluminum pickling bath
12/04/2002EP1262457A2 Alpha-alumina fine powder and a method of producing the same
12/04/2002EP1262236A1 Method for producing alpha-alumina formed body
12/04/2002CN1382633A Process for preparing industrial aluminium fluoride from acidic aluminium slag
12/04/2002CN1095444C Intensified sintering process for alumina production
12/03/2002CA2288604C Polyhydric alcohol stabilized antiperspirant salt solutions
12/03/2002CA2120242C Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
11/2002
11/28/2002WO2002095207A1 Reactor for decomposition of ammonium dinitramide-based liquid monopropellants and process for the decomposition
11/28/2002WO2002094716A1 Sintering resistant catalyst material and a method for the preparation thereof
11/28/2002WO2002094715A1 Ultrafine modified aluminium hydroxide and its preparation
11/28/2002WO2002094429A1 Method of preparing spherical pellets
11/28/2002WO2002057182A3 Ceramic materials in powder form and method for their preparation
11/28/2002DE10124629A1 Dispersion von Aluminiumoxid Dispersion of alumina
11/27/2002EP1259463A2 Aluminium hydroxide gel
11/27/2002CN1381401A Process and equipment for preparing aluminium polychloride
11/26/2002CA2099496C Process of preparing sulfate-containing basic solutions of polyaluminumchloride
11/21/2002US20020172726 12cao . 7a12o3 compound clathrating active oxygen species and method for preparing the same
11/20/2002EP1258458A2 Use, process and preparation for Aluminium oxide dispersions
11/20/2002EP1257511A1 FUSED Al 2?O 3?-RARE EARTH OXIDE EUTECTIC ABRASIVE PARTICLES, ABRASIVE ARTICLES, AND METHODS OF MAKING AND USING THE SAME
11/20/2002CN1380253A Alumina production process by using monohydrate bauxite lime Bayer process
11/19/2002US6482387 Processes for preparing mixed metal oxide powders
11/14/2002WO2002090605A1 Acid digestion process for treating alumina-bearing ores to recover metal values therefrom
11/14/2002WO2002090255A1 Method for energy generation by production and reaction of aluminium nitride
11/14/2002WO2002089940A2 Building and other materials containing treated bauxite tailings and process for making same
11/14/2002US20020168313 Quasi-crystalline carboxylates
11/13/2002EP1256550A1 Ultrafine mixed-crystal oxide particles, process for producing the same, and use
11/13/2002EP1256548A1 Alumina particles, method for producing the same, composition comprising the same, and alumina slurry for polishing
11/13/2002EP1255711A1 FUSED A1203-Mg0-RARE EARTH OXIDE EUTECTIC ABRASIVE PARTICLES, ABRASIVE ARTICLES, AND METHODS OF MAKING AND USING THE SAME
11/13/2002EP1255710A1 Fused al2o3-y2o3 eutectic abrasive particles, abrasive articles and methods of making and using the same
11/13/2002EP1255709A1 Fused aluminium oxide-magnesium oxide-yttrium oxide eutectic abrasive particles, abrasive articles and methods of making and using the same
11/13/2002EP0781312B1 Grinding aid material, method of producing it, use of it, and abrasive material containing it
11/13/2002CN1379734A Device for thermally treating granular solid matter
11/13/2002CN1094112C Method for synthesizing aluminium oxide
11/12/2002US6479421 Non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds
11/12/2002US6479024 Process for removing impurities from bauxite
11/12/2002US6478945 Method for producing highly pure aluminum primary base metal
11/07/2002WO2002064499A3 Process for the preparation of anionic clay and boehmite-containing compositions, compositions containing anionic clay and boehmite and catalysts derived therefrom
11/07/2002US20020164282 Flame synthesis and non-vacuum physical evaporation
11/07/2002DE10121475A1 Verfahren zur Energieerzeugung A method for generating energy
11/07/2002DE10119233A1 Verfahren zur Herstellung von Hydrotalcit-Vorläufern bzw. von Hydrotalciten Process for the preparation of hydrotalcite precursors or hydrotalcites
11/06/2002EP0754163B1 Metal oxide composites and method for destruction of unwanted fluids using such composites
11/06/2002EP0722422B1 Preparation of spheroidal aggregates of platy synthetic hydrotalcite
11/06/2002CN1377829A Process for removing organics from sodium Bayer process aluminate solution
11/06/2002CN1377828A Process for removing silicon dioxide from Bayer process sodium aluminate solution
11/05/2002US6476083 Alumina dispersant, alumina dispersion liquid, agent for treating inkjet-printing materials, and inkjet-printing materials
10/2002
10/31/2002WO2002086173A1 Removal of non-water soluble substances from solutions of aqueous metal extracts
10/31/2002WO2002085787A1 Method for producing hydrotalcites
10/31/2002WO2002085784A1 Process for the preparation of inorganic nanoparticles
10/31/2002US20020159940 Doped anionic clays
10/31/2002US20020159936 Crystal formation of alumina trihydrate is improved by adding to the clarified sodium aluminate liquor an anionic water soluble hydroxamated polymer to provide an upward shift in particle size distribution of aluminim hydroxide crystals
10/31/2002CA2444574A1 Method for the production of hydrotalcites
10/31/2002CA2444080A1 Removal of non-water soluble substances from solutions of aqueous metal extracts
10/30/2002EP1253111A1 Flame synthesis and non-vacuum physical evaporation
10/30/2002CN1377395A CMP products
10/30/2002CN1377297A Apparatus and methods for the production of powders
10/29/2002WO2001021547A1 A12O3/SiC NANOCOMPOSITE ABRASIVE GRAINS, METHOD FOR PRODUCING THEM AND THEIR USE
10/29/2002US6472632 Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowder
10/29/2002CA2407736A1 A12o3/sic nanocomposite abrasive grains, method for producing them and their use
10/24/2002WO2002083564A1 Process for the removal of anionic impurities from caustic aluminate solutions
10/24/2002WO2002083563A1 Alumina pellets, catalyst supports, catalysts or absorbent containing same and methods for preparing same
10/24/2002DE10216256A1 Porous alumina spheres with high attrition resistance useful as catalyst supports and adsorbents
10/24/2002DE10119685A1 Removing water-insolubles from aqueous metal solution, e.g. in production of aluminum oxide by the Bayer process, involves adding water-soluble cationic polyelectrolyte based on dimethylaminopropyl-acrylamide
10/22/2002US6468488 Mg-Al anionic clay having 3R2 stacking
10/22/2002US6468483 Process for treating alumina-bearing ores to recover metal values therefrom
10/17/2002WO2002081375A1 Alumina agglomerates, the preparation method thereof and use of same as an absorbent or catalyst carrier
10/17/2002WO2002081047A1 Method for eliminating oxygenated organic molecules that are present in an organic effluent using alumina agglomerates
10/16/2002EP1080052B1 Method for making abrasive grain using impregnation, and abrasive articles
10/16/2002CN1374928A Micro-crystalline boehmites containing additives and shaped particles and catalyst compositions comprising such micro-crystalline boehmite
10/16/2002CN1374252A Prepn of high-purity alumina
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