Patents for C01F 7 - Compounds of aluminium (12,677) |
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01/17/1984 | US4426363 Process for extracting alumina from aluminous ores |
01/17/1984 | CA1160425A1 Preparation of dihydroxyaluminium sodium carbonate |
01/11/1984 | EP0097892A1 Process for the hydrothermal decomposition of chemical wastes and residues with a high content of calcined aluminium oxides |
01/10/1984 | US4425311 Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays |
01/10/1984 | US4425310 Production of aluminum chlorides from bauxites and clays |
01/10/1984 | US4425309 Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays |
01/10/1984 | US4425308 Roasting, chlorination |
01/04/1984 | EP0097539A1 Process for the manufacture of alumina spheres formed by droplet coagulation |
12/27/1983 | US4423013 Process for the purification of solutions containing alkali metal carbonate, sulphate, hydroxide or possibly hydrogen carbonate, and one at least of the metals vanadium, uranium and molybdenum |
12/27/1983 | US4423009 Carbonate, sulphate and hydroxide or hydrogen carbonate |
12/27/1983 | US4422946 Calcined α-alumina filter aids |
12/20/1983 | US4421876 Resinous compositions containing modified alumina hydrate crystals |
12/20/1983 | US4421726 Using fly ash from coal burning power plant |
12/13/1983 | CA1158417A1 Removal of iron and titanium minerals from aluminum bearing materials by chlorination and beneficiation |
12/07/1983 | EP0095783A2 Catalyzed aldol condensations |
12/06/1983 | US4419394 Catalyst and method of making the same |
11/30/1983 | EP0094983A1 Process for removing transition metal ions from an aqueous solution with a reticular ion exchange resin containing a crystalline transition metal aluminate |
11/24/1983 | WO1983004017A1 Thermal decomposition of aluminum chloride hexahydrate |
11/22/1983 | US4416862 Process for the preparation of aluminium trichloride and silicon dioxide by chlorination of alumina with silicon tetrachloride |
11/16/1983 | EP0094132A1 Luminescent screen |
11/16/1983 | EP0094081A2 Thermal decomposition of aluminum chloride hexahydrate |
11/15/1983 | US4415412 Dehydration of an aluminum compound using an acidic extractant; heating with alkali metal chlorides |
11/10/1983 | WO1983003823A1 Method for fabricating ceramic materials |
11/09/1983 | EP0093339A2 Process for the treatment of red mud |
11/08/1983 | US4414115 Iron oxide coated with zinc sulfide as a filter aid |
11/08/1983 | CA1156432A1 Process for receiving, storing and handling aluminum hydroxide wet hydrate |
11/08/1983 | CA1156431A1 Method and apparatus for producing anhydrous alumina |
11/02/1983 | EP0092778A1 Process for preparing basic aluminum carbonate gels substantially free from foreign anions and fibrous colloidal alumina monohydrate of a boehmite crystal lattice structure |
11/02/1983 | EP0092562A1 Chlorination of an aluminous material |
10/26/1983 | EP0092028A2 Process for the winning of refractory raw materials with simultaneous elimination of organic substances from alkaline mother liquor of the Bayer process |
10/25/1983 | US4411771 Process for hydrotreating heavy hydrocarbons and catalyst used in said process |
10/18/1983 | US4410423 Separation of spent cathode carbon and alkaline ore |
10/12/1983 | EP0090994A2 Process for the preparation of spherical alumina |
10/12/1983 | EP0090946A1 Process for the preparation of dihydroxyaluminium sodium carbonate |
10/11/1983 | CA1154932A1 Preparation of aluminum hydroxycarbonate gel |
10/05/1983 | EP0090767A2 Process for the preparation of large crystalline alumina |
10/05/1983 | EP0090109A1 The recovery of alkali metal catalyst constituents by the use of sulphurous acid in a coal conversion process |
10/04/1983 | US4407735 Method of impregnating spheres of activated alumina for use in catalyst support with cerium |
09/28/1983 | EP0089353A1 Method for the selective chlorination of metal oxide mixtures of natural or synthetic origine. |
09/27/1983 | CA1154234A1 Process for purifying solutions containing alkaline carbonates, sulfates, hydroxides or eventually hydrogen carbonates, and at least one of vanadium, uranium or molybdenum metals |
09/27/1983 | CA1154233A1 Method for the manufacture of pure aluminum oxide from aluminum ore |
09/27/1983 | CA1154232A1 Nitric acid reconstitution |
09/27/1983 | CA1154231A1 Basic aluminum nitrate crystallization |
09/27/1983 | CA1154230A1 High pressure chlorination of alpha-alumina |
09/21/1983 | EP0088988A1 Process for the production of hydrogen cyanide with simultaneous production of aluminium nitride |
09/21/1983 | EP0088848A2 Process for the preparation of a stable sol or a dispersible gel |
09/20/1983 | US4405595 Immersion aluminum hydroxide gel spheres in lithium hydroxide, and sintering |
09/13/1983 | CA1153749A1 Process for producing a crystalline silico-aluminate of type a, with a high capacity for absorption of water, and in particular of type 4a, and the resulting product |
09/07/1983 | EP0087852A1 Hydraulic fracturing propping agent |
09/06/1983 | US4402932 Thermal decomposition of aluminum chloride hexahydrate |
09/06/1983 | US4402924 Preparation of high surface area metal fluorides and metal oxyfluorides, especially aluminum fluoride extrudates |
09/06/1983 | CA1153353A1 Process for the preparation of alumina agglomerates |
09/06/1983 | CA1153187A1 Method for preparing alumina, least in part as extra fine boehmite |
08/30/1983 | US4401574 Clarifying waste water with basic alumunum chorides |
08/23/1983 | US4400431 Magnesium aluminum spinels |
08/16/1983 | US4399119 Oil drop method |
08/16/1983 | US4399113 Process for treating a gas containing a fluorine compound |
08/10/1983 | EP0085592A1 Boehmites and extremely pure pseudoboehmites, and process for their manufacture |
08/10/1983 | EP0085287A1 A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride |
08/09/1983 | US4397822 Process for the recovery of alumina from fly ash |
07/26/1983 | CA1150711A1 Crystallising of a zeolithe during industrial manufacturing processes |
07/26/1983 | CA1150517A1 Method of decreasing the organic substance of alum earth production cycle performed according to the bayer technology |
07/21/1983 | WO1983002444A1 A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride |
07/20/1983 | EP0083974A1 A process for the production of sintered spheres |
07/19/1983 | US4394455 Spinel slip casting composition and articles |
07/19/1983 | US4394368 High temperature hydrolysis of aluminum sulfate solutions |
07/19/1983 | CA1150063A1 Method of acid leaching of silicates |
07/12/1983 | US4392987 Alumina spheroids with controlled small particle size and a process for producing them |
07/12/1983 | US4392980 Ion exchangers, spinel precursors |
07/12/1983 | US4392979 Complexing, ion exchanging, spinels |
07/12/1983 | US4392961 Magnesium aluminate anion exchangers |
07/06/1983 | EP0083275A1 Process for the preparation of aluminas of high purity from impure solutions of aluminium chloride |
07/05/1983 | CA1149178A1 Precipitation of metal values from organic media |
06/28/1983 | US4390508 Solvent extraction, thermal decomposition of ammonium or potassium |
06/28/1983 | US4390456 Automobile exhaust systems |
06/28/1983 | US4390445 Aluminium chloride composition and a method for its manufacture |
06/28/1983 | US4390431 Process for treating aqueous streams containing aluminum |
06/28/1983 | CA1148724A1 Process for producing coarse grains of aluminium hydroxide |
06/21/1983 | US4389385 Production of porous gels and ceramic materials |
06/14/1983 | US4388280 Extraction of aluminum from clay |
06/14/1983 | US4388208 Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition |
06/14/1983 | CA1148168A1 Agent for promoting filtration dehydration of metal hydroxide slurry |
06/07/1983 | US4387085 Process for preparing high surface area alumina |
05/31/1983 | US4385964 By addition of titanium tetrachloride |
05/31/1983 | US4385903 Agent for promoting filtration dehydration of metal hydroxide slurry |
05/31/1983 | CA1147128A1 Process for transforming hydrargilite into boehmite |
05/11/1983 | WO1983001612A1 Chlorination of an aluminous material |
05/03/1983 | US4382010 Scrubbing with sodium aluminate-sodium oxide maxture |
04/26/1983 | US4381349 Alumina compounds in ion exchange resins |
04/14/1983 | WO1983001249A1 Method for the selective chlorination of metal oxide mixtures of natural or synthetic origine |
04/12/1983 | CA1144699A1 Alumina compounds in ion exchange resins |
04/12/1983 | CA1144454A1 Coarse crystalline alumina and method for its production |
04/06/1983 | EP0076094A2 Extraction |
04/05/1983 | US4379134 Process of preparing high purity alumina bodies |
03/29/1983 | US4378337 Still heating process for purifying aluminum chloride |
03/29/1983 | CA1143694A1 Method of winning aluminum metal from aluminous ore |
03/22/1983 | US4377566 Novel process for the preparation of high purity alumina from ammonium alum |
03/15/1983 | EP0059212A4 Magnesium aluminium spinels. |
03/15/1983 | EP0050640A4 Process and equipment for the performance of recipitate forming reactions by using an ion-exchange auxiliary phase. |
03/02/1983 | EP0073120A2 Coating of substrates |