| Patents for C01F 7 - Compounds of aluminium (12,677) |
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| 03/02/1994 | EP0357746B1 Thixotropic cement compositions |
| 03/02/1994 | CN1083023A Improved acid eduction process for producing alumina |
| 03/01/1994 | US5290697 Gram-positive bacteria; grows in aqueous saline solution; absorbs metal oxides in aqueous solutions |
| 03/01/1994 | US5290535 Process for recycling saltcake |
| 02/17/1994 | WO1994003409A1 Polycrystalline lithium metal oxide fibers |
| 02/17/1994 | WO1994003396A1 Improved process and apparatus for digestion of bauxite |
| 02/16/1994 | EP0583025A1 Modified aluminas and the use thereof in FCC catalysts |
| 02/16/1994 | CN1082006A Polymeric aluminum silicate-sulphate and process for producing same |
| 02/15/1994 | US5286701 Method for preparing hydrazinolysis catalyst |
| 02/15/1994 | US5286687 Method for production of needlelike crystalline particles |
| 02/15/1994 | US5286473 Reacting alkali metal with hydrochloric acid or water, heating formed chloride with aluminum to produce aluminum chloride and reusable alkali metal |
| 02/15/1994 | US5286472 High efficiency process for producing high purity alumina |
| 02/15/1994 | US5286391 Red mud flocculation |
| 02/09/1994 | EP0582399A2 Method for the alteration of siliceous materials in Bayer process liquors |
| 02/09/1994 | EP0581875A1 Process for growing crystals |
| 02/09/1994 | CN1081651A Method for processing alunite ore |
| 02/08/1994 | US5284809 Wet milling, deagglomerating, drying and roasting a suspension of aluminum hydroxide followed by milling and deagglomerating |
| 02/08/1994 | US5284634 Purification of Bayer process liquors using cationic polymeric quaternary ammonium salts |
| 02/08/1994 | CA1326757C Production of beta alumina by seeding and betal alumina produced thereby |
| 02/03/1994 | WO1994002417A2 Process for the removal of sodium values from sodium contaminated solids |
| 02/03/1994 | WO1994002416A1 Process for extracting alumina from bauxite |
| 02/03/1994 | WO1994002415A1 Methods for preparing basic aluminum compounds with ultrasound |
| 02/03/1994 | CA2140773A1 Process for extracting alumina from bauxite |
| 02/03/1994 | CA2140351A1 Methods for preparing basic aluminum compounds with ultrasound |
| 02/03/1994 | CA2132638A1 Process for the removal of sodium values from sodium contaminated solids |
| 02/02/1994 | EP0580977A1 Device for spinning synthetic yarns |
| 02/02/1994 | EP0580619A1 Process for producing hydrophobised double-layer hydroxide compounds. |
| 02/02/1994 | EP0343233B1 Supercritical fluid reverse micelle separation |
| 02/01/1994 | CA1326688C Abrasive material and method |
| 01/27/1994 | DE4324428A1 Alumina recovery from material contg. aluminium and impurities of silicon, etc. - by selective removal of impurities by fluorination and chlorination to gaseous cpds., saving energy and avoiding waste disposal problems |
| 01/25/1994 | CA1326344C Antiperspirant composition and method of preparation |
| 01/20/1994 | WO1994001364A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 01/20/1994 | CA2116557A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 01/19/1994 | EP0579281A1 A grinding wheel |
| 01/18/1994 | US5279645 Bauxite processing |
| 01/18/1994 | CA1326122C Process for forming metal oxide powders from the metal alkoxide |
| 01/11/1994 | US5277889 Method for depositing pure metal halide compositions |
| 01/11/1994 | US5277702 Plately alumina |
| 01/05/1994 | EP0577427A1 Infrared transmitting barium fluoride sintered body and method of producing the same |
| 01/05/1994 | EP0576695A1 Organo-aluminum hydroxyde compounds |
| 01/05/1994 | CN1080335A Apparatus for spinning thick yarn |
| 01/05/1994 | CN1023391C Process for production of aluminium hydroxide gel series products by carbon |
| 01/04/1994 | US5275628 Compositions and method for foam control and crystal modification in Bayer process |
| 01/04/1994 | CA1325708C2 Alumina products and their production process by removing water from aluminum hydroxide |
| 01/02/1994 | CA2099734A1 Process for preparing polyhedral alpha-alumina particles |
| 12/29/1993 | EP0576416A1 Process for producing aluminium |
| 12/29/1993 | EP0502896B1 Calcination process for the production of alumina from alumina trihydrate and apparatus therefor |
| 12/28/1993 | US5273949 Silica-stabilized alumina |
| 12/28/1993 | US5273619 Method for producing mono-crystalline alumina grains |
| 12/22/1993 | CN1079718A Preparation method of aluminium oxide powder with controllable dimension in nanometers or submicrometers |
| 12/22/1993 | CN1079717A Preparation method for a-alumine |
| 12/22/1993 | CN1079716A a-alumine |
| 12/22/1993 | CN1079715A a-alumine |
| 12/21/1993 | US5271844 Processes for the alkaline biodegradation of organic impurities |
| 12/15/1993 | EP0573610A1 Synthetic spinels and processes for making them. |
| 12/15/1993 | CN1079446A Three section combined dehydrating process for producing waterless aluminium fluoride |
| 12/14/1993 | US5270278 Alumina coated with a layer of carbon as an absorbent |
| 12/09/1993 | WO1993024682A1 α-ALUMINA |
| 12/09/1993 | WO1993024681A1 α-ALUMINA |
| 12/09/1993 | WO1993024680A1 PROCESS FOR PRODUCING α-ALUMINA |
| 12/09/1993 | WO1993024411A1 A method for preparing mixed metal oxides |
| 12/09/1993 | WO1993024219A1 Fluidized bed reaction pipe with gas distributor, and its use |
| 12/09/1993 | CA2137249A1 .alpha.-alumina |
| 12/09/1993 | CA2137248A1 .alpha.-alumina |
| 12/09/1993 | CA2137247A1 Process for producing .alpha.-alumina |
| 12/09/1993 | CA2136525A1 A method for preparing mixed metal oxides |
| 12/08/1993 | EP0547085A4 Basic aluminum and aluminum/zirconium antiperspirants and method of making the same |
| 12/08/1993 | CN1022996C Improved process for producing alumina from bauxite |
| 11/30/1993 | US5266205 Supercritical fluid reverse micelle separation |
| 11/30/1993 | US5266174 Heating waste solution, adding an alkaline material to increase ph to at least 9 and adding a metal having a half cell potential more negative than nitrate |
| 11/24/1993 | EP0570469A1 A process for recovering aluminium and fluorine from fluorine containing waste materials |
| 11/24/1993 | CN1022825C Continuous desilincation process for crude liquid of sodium carbonate |
| 11/16/1993 | US5262373 Alkali metal salt oxidizer |
| 11/11/1993 | WO1993022238A1 Process for the extraction of alumina |
| 11/11/1993 | WO1993022237A1 Method for production of synthetic hydrotalcite |
| 11/11/1993 | WO1993022045A1 Process and device for producing microspheres |
| 11/11/1993 | DE4214724A1 High purity ceramic oxide powder of particle size 1.0-500 nm - shows low deviation from mean particle size lying within a narrow range, being composed of metal oxide(s), e.g. 2-alumina and zirconium oxide |
| 11/11/1993 | DE4214272A1 Verfahren und Vorrichtung zur Herstellung von Mikrokugeln Method and apparatus for production of microspheres |
| 11/09/1993 | CA1323988C Frit bonded abrasive wheel |
| 11/04/1993 | DE4213832A1 Mfr. of ceramic powder by pyrolysis - through action of microwaves on organo-metallic precursors |
| 11/02/1993 | US5258168 Heating a sulfate or bisulfate of sodium, potassium, or ammonium with an aqueous solution of aluminum hydroxide particles under acidic conditions to react and recovering formed alunite |
| 11/02/1993 | CA1323746C Preparation of basic aluminium halides |
| 10/28/1993 | WO1993021127A1 Method of manufacturing surface-modified ceramic powders with particles in the nanometre size |
| 10/28/1993 | WO1993021109A1 Method of making materials using vapor phase transport and reactive gases |
| 10/28/1993 | DE4214631A1 Fine ceramic powder prodn. with good sintering properties - by impregnating starter material with precursor and heating to decompose using microwave beam |
| 10/27/1993 | EP0395667B1 Continuous process for production of fine particulate ceramics |
| 10/26/1993 | US5256611 Wear resistance; sol-gel process; inorganic pigments |
| 10/26/1993 | US5256389 High surface area metal oxide foams |
| 10/21/1993 | DE4212633A1 Verfahren zur Herstellung oberflächenmodifizierter nanoskaliger keramischer Pulver Process for the preparation of surface-modified nanoscale ceramic powder |
| 10/19/1993 | US5254230 Methods for preparing basic aluminum compounds with ultrasound |
| 10/19/1993 | US5254224 Method for increasing the molar ratio of aluminum to chlorine in polyaluminum chloride solutions |
| 10/14/1993 | WO1993020251A1 Process for producing iron-making material composition comprising bauxite dissolution residue |
| 10/14/1993 | CA2110595A1 Method for producing iron-manufacturing raw material comprising dissolution residue of bauxite |
| 10/13/1993 | EP0564659A1 Process for producing aluminum hydroxide from alumina-containing ore |
| 10/12/1993 | US5252315 Process for producing lithium aluminate powder having large specific surface area |
| 10/06/1993 | EP0563653A1 Fine flaky boehmite particles and process for the preparation of the same |
| 10/06/1993 | CN1076913A Technique using bauxite to produce aluminium sulfate |
| 10/05/1993 | US5250476 Ceramic binder and use thereof |
| 10/05/1993 | US5250279 Method for the manufacture of hydrotalcite |
| 10/05/1993 | CA1322649C Recovery of fluoride values from waste materials |