| Patents for C01F 7 - Compounds of aluminium (12,677) |
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| 07/31/1990 | US4944933 Preparation of basic aluminium halides |
| 07/31/1990 | CA1272010A1 Basic metal hydroxysulfate complex in solid form and a method for its manufacture |
| 07/18/1990 | EP0377900A2 Process for preparation of silane |
| 07/18/1990 | EP0227499B1 Mixed lanthanum-magnesium aluminates, process for their production and lasers using these aluminates |
| 07/17/1990 | CA1271617A1 Preparation of silane and amine alanes |
| 07/12/1990 | CA2007271A1 Process for preparation of silane |
| 07/11/1990 | WO1990008738A1 Process for preparing basic aluminum compounds |
| 07/11/1990 | CA2025353A1 Process for preparing basic aluminum compounds |
| 07/04/1990 | EP0375987A1 Process for the reduction of the content of organic constituents in an alkaline aluminate liquor |
| 06/26/1990 | US4937062 High speed atomizing of metal salt solution into very hot gases in reactor; conversion to oxides |
| 06/26/1990 | US4937061 Reaction of aluminum salt solution with alkaline carbonate and bicarbonate solutions |
| 06/26/1990 | CA1270621A1 Removal of organics from bayer process streams |
| 06/13/1990 | EP0372210A1 Process of preparation of boehmit dispersions |
| 06/13/1990 | CN1042885A Equipment for producing aluminate from bauxite |
| 06/12/1990 | US4933404 Processes for microemulsion polymerization employing novel microemulsion systems |
| 06/06/1990 | EP0371211A2 Process for the production of homogeneous finely divided ceramic powders |
| 06/06/1990 | CN1042665A 真空结晶器 Vacuum crystallizer |
| 06/05/1990 | US4931289 Oral phosphate ion adsorbent |
| 06/03/1990 | CA2003669A1 Process for the production of dispersible boehmite |
| 06/01/1990 | CA2002172A1 Method for bauxite treatment |
| 05/31/1990 | WO1990005706A1 Precipitant or flocculant for treatment of waste water and process involving their use |
| 05/30/1990 | EP0370480A1 Process for the production of high purity zirconium tetrafluoride and other fluorides |
| 05/23/1990 | EP0369715A1 Boehmite-type aluminium hydroxide, process for preparing same and phosphate ion adsorbent containing same as effective component |
| 05/23/1990 | EP0369275A1 Precipitant or flocculant for treating waste water, and process using this agent |
| 05/23/1990 | EP0369122A1 Aluminium oxide, process for its preparation and use thereof |
| 05/23/1990 | EP0368919A1 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry |
| 05/23/1990 | EP0152463B1 Production of high purity alumina |
| 05/22/1990 | US4927616 Preparation of silane and amine alanes |
| 05/22/1990 | US4927560 Gelation, drying |
| 05/22/1990 | US4927464 Particulate material |
| 05/16/1990 | CN1042089A Treating porous anodic aluminium oxide membrane |
| 05/15/1990 | US4925647 Process for the production of metal oxides or metal mixed oxides |
| 05/15/1990 | US4925454 Gas flow, vapor deposition, heating, detaching; cone-shaped; catalysts |
| 05/09/1990 | EP0367437A1 Separation of red mud from Bayer process liquors |
| 05/09/1990 | EP0366825A1 Process for the preparation of fine platelike boehmite |
| 05/09/1990 | EP0366824A1 Process for the preparation of filterable baehmite aggregates |
| 05/04/1990 | CA2002255A1 Process for the production of large boehmite particles |
| 05/04/1990 | CA2002254A1 Process for the production of fine tabular alumina monohydrate |
| 05/02/1990 | EP0366388A1 Method for producing aqueous solutions of basic poly aluminum sulphate |
| 05/02/1990 | EP0366230A1 Basic aluminium antiperspirant active material, compositions including the material, and methods for preparation thereof |
| 05/02/1990 | EP0365801A1 Process for producing alumina with high specific surface area |
| 05/01/1990 | US4921688 Process for preparing ammine salts of aluminum iodide |
| 05/01/1990 | CA1268391A1 Formation of gels and fibres |
| 05/01/1990 | CA1268317A1 Production of alumina from gibbsite bauxite having low reactive silica content |
| 04/26/1990 | DE3835728A1 Process for the production of powders in the particle size range 1-1000 nm and mouldings made therefrom and use thereof |
| 04/25/1990 | EP0364754A2 Process for the production of aluminium sulphate, starting from the residual slimes of plants for the anodic oxidation of aluminium, and pump to convey said slimes |
| 04/25/1990 | EP0364543A1 Viscosity-modifiers for aqueous-based functional products |
| 04/24/1990 | US4920083 Novel process for the production of ceramic flakes |
| 04/24/1990 | US4919863 Oxides formed on porous steel foil |
| 04/24/1990 | US4919819 Method for removing and decomposing hydrocarbon compounds from water contaminated therewith |
| 04/18/1990 | EP0364195A2 Shelling-resistant abrasive grain, a method of making the same, and abrasive products |
| 04/18/1990 | EP0363927A2 Process for the preparation of a suspension containing spherical oxide particles |
| 04/18/1990 | EP0363910A1 Method for controlling specific surface area of alumina |
| 04/18/1990 | EP0363750A2 Peptized & phosphated inorganic oxides, catalysts, and polymerization processes |
| 04/18/1990 | EP0190140B1 Process for the removal of impurities from optical component materials |
| 04/17/1990 | CA1267769A1 METHOD OF MAKING ".beta."-ALUMINA |
| 04/11/1990 | EP0363138A1 Treating porous anodic aluminium oxide membrane |
| 04/11/1990 | EP0362962A2 Process for forming metal oxide powders from the metal alkoxide |
| 04/11/1990 | CN1007517B Process and apparatus for production alumina from decomposition sodium aluminate liquid |
| 04/10/1990 | US4915957 Reaction product of magnesium hydroxide and aluminum sulfate |
| 04/10/1990 | US4915930 Process for producing aluminum hydroxide of improved whiteness |
| 04/10/1990 | US4915869 Mixed lanthanum-magnesium aluminates |
| 04/05/1990 | WO1990003331A1 High surface area alpha-alumina and supercritical fluid synthesis thereof |
| 04/05/1990 | CA2000045A1 Treating porous anodic aluminium oxide membrane |
| 04/04/1990 | EP0362116A2 Dioxime kinetic enhancer for solvent extraction of gallium from basic aqueous solutions thereof |
| 04/04/1990 | CN1007422B Purification of bayer process liquors |
| 04/03/1990 | US4913840 Production of stable anionic sols containing colloidal alumina hydrate |
| 04/03/1990 | CA1267268A1 Process for the production of aluminium chloride |
| 03/28/1990 | CN1040814A Shelling-resistant abrasive grain, method of making same, and abrasive products |
| 03/21/1990 | EP0359127A1 Method of preparing a new ultrafine particle transition alumina |
| 03/21/1990 | CN1040634A Method for producing mono-crystalline alumina grains |
| 03/21/1990 | CN1040563A One-step process for production of high-efficiency water clarifier-polyaluminosulfochloride |
| 03/20/1990 | US4910246 Containing a polycarboxylic compound |
| 03/20/1990 | US4910009 Ultra high purity halides and their preparation |
| 03/14/1990 | CN1040330A Method for producing filter aid and retrieving aluminium sulphate |
| 03/06/1990 | CA1266365A1 Use of surfactants in alumina precipitation in the bayer process |
| 02/28/1990 | EP0355481A1 Alpha-aluminium oxide and process for its preparation |
| 02/27/1990 | US4904457 Synthetic hydrotalcite |
| 02/21/1990 | CN1039792A Method of synthetizing magnesium aluminium spinel |
| 02/21/1990 | CN1039783A Control system of process for preparing solutions of aluminates from bauxite |
| 02/20/1990 | US4902666 Process for the manufacture of spheroidal bodies by selective agglomeration |
| 02/20/1990 | US4902494 Process for preparing hydrated alumina consisting essentially of spherical particles by homogeneous precipitation |
| 02/20/1990 | US4902425 Using cationic polymer |
| 02/13/1990 | US4900856 Preparation of metal halide-amine complexes |
| 02/13/1990 | US4900704 Peptized and phosphated inorganic oxides and catalysts supported on said oxides |
| 02/13/1990 | US4900537 Control of form of crystal precipitation of aluminum hydroxide using cosolvents and varying caustic concentration |
| 02/13/1990 | US4900535 Recovery of fluoride values from waste materials |
| 02/13/1990 | US4900521 Process for purifying aluminum chloride |
| 02/13/1990 | CA1265724A1 Low viscosity aluminum hydroxy carbonate gel process |
| 02/07/1990 | CN1006698B Alpha alumina production in a steam-fluidized reactor |
| 02/06/1990 | CA1265535A1 Removal of impurities from amines |
| 02/06/1990 | CA1265318A1 Process of producing aluminum fluoride |
| 01/31/1990 | EP0353129A1 Alumina aglomerates preparation process |
| 01/30/1990 | CA1265128A1 Insoluble pigments and preparation thereof |
| 01/30/1990 | CA1265127A1 Insoluble pigments and preparation thereof |
| 01/25/1990 | WO1990000523A1 Aluminum hydroxide production |
| 01/24/1990 | EP0352030A1 Process for separating red mud in the recovery of alumina from bauxite |
| 01/16/1990 | US4894357 Process for adjusting the structural and/or surface character of oxides |
| 01/11/1990 | EP0343233A4 Supercritical fluid reverse micelle separation. |
| 01/02/1990 | US4891204 Contaminated with iron chloride |