| Patents for C01F 7 - Compounds of aluminium (12,677) |
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| 09/29/1993 | EP0562059A1 Scrubbing of gaseous fluorides from process exhausts. |
| 09/29/1993 | CN1076732A Purifying method of waste slag containing industrial alumina |
| 09/22/1993 | CN1076429A New polyaluminumchlorosulfates and preparation and uses thereof |
| 09/22/1993 | CN1076427A A process for removing sodium oxalate from the solution of sodium aluminate in bayer's cycle |
| 09/21/1993 | US5246899 Simplified preparation of hydrotalcite-type clays |
| 09/21/1993 | US5246741 Vacuum, reduction, reaction with accelerated ions |
| 09/21/1993 | US5246686 Basic aluminum chlorosulfate flocculating agents |
| 09/16/1993 | WO1993017968A1 Preparation of stabilized alumina having enhanced resistance to loss of surface area at high temperatures |
| 09/16/1993 | WO1993017967A1 Preparation of alumina having increased porosity |
| 09/16/1993 | WO1993017959A1 Production of transparent cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures |
| 09/16/1993 | DE4207943A1 Sec. aluminium@ smelter and refiner residue and filter dust detoxification - to remove poly:halogenated organic cpds. with recovery of aluminium cpds. by lixiviation and hydrothermal or thermal treatment with alkali |
| 09/14/1993 | US5244648 Treatment with aqueous acid |
| 09/08/1993 | EP0558794A1 Process for producing a highly crystalline, fine alpha-alumina powder |
| 09/07/1993 | US5242670 Processing spent zeolite catalyst |
| 09/07/1993 | US5242669 High purity potassium tetrafluoroaluminate and method of making same |
| 09/02/1993 | WO1993016957A1 Improvements in alumina plants |
| 09/01/1993 | EP0558068A1 Sol-gel alumina abrasive grain, process of making and use of same |
| 08/31/1993 | US5240493 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
| 08/25/1993 | EP0557153A1 Aluminiumpolychlorosulphates, process for their preparation and their uses |
| 08/25/1993 | EP0557089A1 Sunscreen agents containing layered double hydroxides |
| 08/24/1993 | US5238671 Chemical reactions in reverse micelle systems |
| 08/19/1993 | WO1993016003A1 Process for the treatment of red mud |
| 08/17/1993 | US5237107 Magnesium, aluminium complex compounds, process for preparing the same and process of aldol condensation dehydration products using the same |
| 08/17/1993 | US5236690 Melting, bubbling halogenating agent |
| 08/17/1993 | US5236471 Process for the production of sintered material based on α-aluminum oxide, especially for abrasives |
| 08/12/1993 | DE4303075A1 Prodn. of lithium and silicon aluminate(s) - by mixing aluminium or silicon alkoxide with lithium hydroxide, adding water, drying, moulding, and sintering |
| 08/11/1993 | EP0555163A1 Process for removal of sodium oxalate from sodium aluminate solutions originating from the Bayer-Cycle |
| 08/11/1993 | EP0554908A1 Fine alpha alumina particles, their production and use |
| 08/11/1993 | EP0554562A1 Process for the preparation of basic aluminium chloride solutions |
| 08/10/1993 | US5234981 Halogenated polymer compositions stabilized with the aid of an inorganic additive |
| 08/10/1993 | US5234677 Enhanced efficacy aluminum chlorhydrate antiperspirant and method of making same |
| 08/10/1993 | CA1321076C Gallium recovery process by liquid-liquid extraction |
| 08/10/1993 | CA1321053C Process for the production of hydrated aluminae and process for the treatment of acid wastes |
| 08/04/1993 | CN1074887A process for preparing aluminum sulfate |
| 08/03/1993 | US5232681 Stabilizing sodium beta-aluminum oxide with spinel defect structure by doping with cations of magnesium, lithium, zinc and others; wet grinding, drying slip |
| 08/03/1993 | US5232627 Thickening aqueous caly dispersion by stirring a mixed metal oxide compound therein |
| 07/28/1993 | EP0542871A4 Process for improving the physical and catalytic properties of fluid cracking catalysts |
| 07/27/1993 | US5231018 Rhodococcus cultured on fly ash for extraction of metal oxides with adsorption and agglomeration |
| 07/21/1993 | EP0552133A1 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
| 07/14/1993 | CN1074196A Process for production of modified calcium aluminate |
| 07/13/1993 | US5227149 Reacting liquid or supercritical fluid hydrogen sulfide with alkyl silicon compound, silicon tetrachloride, or trialkyl aluminum in autoclave, high pressure |
| 07/08/1993 | WO1993013017A1 Improved process for separating red mud in production of alumina from bauxite |
| 07/08/1993 | CA2124570A1 Improved process for separating red mud in production of alumina from bauxite |
| 07/07/1993 | EP0550415A2 Polyoxometalate intercalated layered double hydroxides |
| 07/06/1993 | US5225229 Aluminum hydroxide production |
| 07/01/1993 | DE4202694C1 Silane surface-modified pyrogenic alumina, for use in toner - to increase charge stability, produced by spraying with silane mixt. free from solvent |
| 06/30/1993 | EP0549340A1 Stabilizer for resins |
| 06/23/1993 | EP0547085A1 Basic aluminum and aluminum/zirconium antiperspirants and method of making the same |
| 06/16/1993 | EP0546850A1 Metallic sulfates as wastewater clarificant and their preparation |
| 06/16/1993 | EP0546095A1 Method for preparing basic aluminum chlorosulfate |
| 06/16/1993 | EP0276321B1 Spherical corundum particles, process for their production, and highly heat-conductive rubber or plastic composition containing them |
| 06/10/1993 | WO1993011072A1 Improved process for producing low soda alumina |
| 06/08/1993 | US5217702 Preparation of a high surface area gamma lithium aluminate |
| 06/08/1993 | US5217620 Soluble anionic floculant |
| 06/02/1993 | CN1072657A Method for producing aluminum sulfate from gangue |
| 06/02/1993 | CN1072656A Method for producing aluminum hydroxide |
| 06/01/1993 | US5215581 Composition and use |
| 06/01/1993 | US5215552 Sol-gel alumina abrasive grain |
| 05/27/1993 | WO1993010046A1 Preparation of a high surface area gamma lithium aluminate |
| 05/27/1993 | CA2123485A1 Preparation of a high surface area gamma lithium aluminate |
| 05/26/1993 | EP0543347A1 Method for production of alpha aluminium oxide powder |
| 05/26/1993 | EP0542871A1 Process for improving the physical and catalytic properties of fluid cracking catalysts |
| 05/23/1993 | CA2083614A1 Method for the preparation of .alpha.-aluminium oxide powder |
| 05/19/1993 | EP0542404A1 Detoxification of aluminum spent potliner |
| 05/19/1993 | CN1072157A Method for coagulant produced with diaspore ore |
| 05/19/1993 | CN1020757C Process for recovery of gallium using liquid-liquid extraction |
| 05/19/1993 | CN1020742C Shelling-resistant abrasive grain, and its making method |
| 05/19/1993 | CN1020710C One-step process for production of high-efficiency water clarifier-polyalum inosulfochloride |
| 05/18/1993 | CA1317978C Microcrystalline alumina-based ceramic articles |
| 05/13/1993 | WO1993009062A1 Process for producing aluminum hydroxide from alumina-containing ore |
| 05/12/1993 | EP0540567A1 Aluminium oxide fibres and process for producing them |
| 05/12/1993 | CN1020580C Process-control device for preparation of aluminate solution from bauxite |
| 05/11/1993 | US5210063 Crush-resistant/adsorptive agglomerates of activated alumina |
| 05/11/1993 | CA2000832C Process for producing alumina from gibbsitic bauxites |
| 05/11/1993 | CA1317438C Method and system for manufacturing fine-grained silicon monoxide |
| 05/05/1993 | EP0540228A1 Alumina-containing catalyst, method for the preparation thereof and internal combustion engine exhaust system containing said catalyst |
| 05/05/1993 | EP0539582A1 Adducts of clay and activated mixed metal oxides. |
| 05/04/1993 | US5208190 Microporous alumina ceramic membranes |
| 05/04/1993 | CA1317191C Dewatering |
| 05/04/1993 | CA1317114C Process for the production of a ceramic polycrystalline abrasive |
| 05/04/1993 | CA1317087C Method of preparing a new ultra-fine particle transition alumina |
| 04/29/1993 | DE4135087A1 Regenerating spent aluminium@-contg. nitric acid soln. - from chemical surface treatments of aluminium@ parts, with redn. of effluent nitrate content and recovery of free and combined acid |
| 04/28/1993 | EP0332686B1 Process for preparing metallic oxides |
| 04/21/1993 | EP0537944A1 Microporous alumina ceramic membranes |
| 04/21/1993 | EP0537871A1 Silica containing bayerite or eta-alumina and catalytic cracking catalysts |
| 04/20/1993 | US5203908 Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy at high enthalpy |
| 04/15/1993 | WO1993006923A1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
| 04/14/1993 | EP0536879A1 Simplified preparation of hydrotalcite-type clays |
| 04/14/1993 | EP0536381A1 Process for preparing sub-micron alumina particles. |
| 04/14/1993 | EP0273089B1 Make-up cosmetics |
| 04/13/1993 | US5202115 Basic aluminum antiperspirant active material having enhanced activity, antiperspirant active composition containing such material, and methods for preparation of such material and composition |
| 03/31/1993 | EP0533728A1 Use of double-layer hydroxide compounds for coagulation |
| 03/31/1993 | CN1070385A Method for preparation of phosphorated aluminiferous collosol |
| 03/31/1993 | CN1070384A Method for preparation of phosphorated aluminiferous collosol |
| 03/24/1993 | EP0532930A1 Process for the preparation of aqueous solutions of basic aluminium salts |
| 03/16/1993 | US5194243 Hydrothermal digestion of aluminum hydroxide after seeding |
| 03/10/1993 | EP0530989A2 Beta-alumina solid electrolyte and methods of producing the same |
| 03/10/1993 | EP0530598A1 Process of preparation of basic aluminium chloride and/or bromide |
| 03/10/1993 | CN1069710A A method of producing alum |
| 03/09/1993 | CA1314276C Alkaline earth metal spinels and processes for making and using same |