| Patents for C01F 7 - Compounds of aluminium (12,677) |
|---|
| 12/30/1980 | US4242313 Processes for the recovery of alumina from fly ash and production of cement constituents |
| 12/30/1980 | US4242223 Process for receiving, storing and handling aluminum hydroxide wet hydrate |
| 12/23/1980 | US4241030 Continuous process for obtaining pure alumina from an acidic liquor originating from the chlorosulphuric attack of an aluminous ore and for the purification of the liquor which has been freed from alumina |
| 12/23/1980 | CA1091936A1 Iron removal from solutions |
| 12/23/1980 | CA1091893A1 Recovery of alumina values from siliceous minerals |
| 12/16/1980 | US4239735 Removal of impurites from clay |
| 12/16/1980 | CA1091642A1 Method of preparing high purity alumina containing catalysts |
| 12/09/1980 | US4238469 Hydrogen fluoride, aluminum hydroxide, fluosilicic acid |
| 12/09/1980 | US4238458 Process for the production of a basic carbonate of aluminum and an alkali or alkali earth metal |
| 12/09/1980 | US4238347 Coagulants in water treatment |
| 12/09/1980 | US4238159 Apparatus for extracting alumina from bauxite |
| 12/02/1980 | US4237102 Process for obtaining pure alumina by the hydrochloric attack of aluminous ores and extraction of the impurities by means of a sulphuric treatment |
| 12/02/1980 | CA1090536A1 Spheroidal alumina particles |
| 11/25/1980 | US4235860 In the presence of a reducing agent |
| 11/18/1980 | US4234559 Process for the manufacture of coarse aluminum hydroxide |
| 11/11/1980 | CA1089191A1 Preferential chlorination of alumina in kaolinitic ores |
| 11/11/1980 | CA1089187A1 Process for extracting an aluminum sulphate in solution |
| 11/04/1980 | US4231751 Novel method of testing a charge calcined alumina to determine its suitability for use in hydrocarbon conversion |
| 11/04/1980 | CA1088725A1 Process for the production of granulates of active aluminum oxide |
| 10/30/1980 | WO1980002344A1 Methods and apparatus for generating heat and electrical energy from aluminum waste and other inexpensive aluminum products |
| 10/29/1980 | EP0018339A1 A method of producing an aluminium-sulphate solution |
| 10/29/1980 | EP0018035A1 Process for producing alumina |
| 10/28/1980 | US4230678 Leaching, ion exchanging |
| 10/28/1980 | CA1088500A1 Preparation of zeolites |
| 10/28/1980 | CA1088316A1 Ore halogenation process |
| 10/21/1980 | CA1088226A1 Concentration of hydrated aluminum oxide minerals by flotation |
| 10/21/1980 | CA1088040A1 Alumina |
| 10/21/1980 | CA1087860A1 Bayer cycle solution purification |
| 10/16/1980 | WO1980002137A1 A method of producing an aluminium-sulphate solution |
| 10/14/1980 | CA1087375A1 Process for producing of high-purity alumina and hydraulic cement |
| 10/14/1980 | CA1087374A1 METHOD FOR PREPARING SHAPED, GREEN CERAMIC COMPACTS FROM HIGHLY FLOWABLE AND FILLABLE POWDERS CONTAINING .beta.-AND /OR .beta."-AL.SUB.2O.SUB.3 |
| 10/07/1980 | US4226844 To produce aluminum oxide |
| 10/07/1980 | US4226842 Preparation of crystalline cryolite |
| 10/07/1980 | US4226838 Goethite-hematite conversion, quick dissolving of diaspore, hydrogarnet catalyst |
| 10/07/1980 | US4226632 Process for producing high-purity alumina and hydraulic cement |
| 10/07/1980 | CA1086920A1 PROCEDURE FOR THE PREPARATION .beta.-LITHIUMALUMINATE |
| 09/30/1980 | US4225639 Process for preparing alumina being suitable for layer chromatography |
| 09/23/1980 | US4224302 From boehmite |
| 09/23/1980 | US4224288 Digestion of bauxite, fluidized bed drying of alumina trihydrate, steam |
| 09/23/1980 | US4224287 Shearing clay or mineral, activation, hydrochloric acid leaching, extraction, crystallization, decomposition |
| 09/23/1980 | CA1086377A1 Method of preparing electrolyte for use in fuel cells |
| 09/23/1980 | CA1086025A1 Process for producing alumina |
| 09/17/1980 | EP0015801A1 Process for the preparation of dual-porosity alumina beads |
| 09/16/1980 | US4223000 Decomposition of aluminum nitrate |
| 09/16/1980 | US4222989 Method for the manufacture of pure aluminum oxide from aluminum ore |
| 09/16/1980 | US4222789 Light-stable titanium dioxide pigment composition |
| 09/09/1980 | US4221771 Preparation of dawsonite |
| 09/09/1980 | US4221767 Recovery of lithium from brines |
| 09/09/1980 | US4221666 For removing residue deposits on filtration elements |
| 09/09/1980 | CA1085137A1 Process for the production of aluminum chloride and related products |
| 09/04/1980 | WO1980001799A1 Process for transforming hydrargillite into boehmite |
| 09/03/1980 | EP0015196A1 Process for the preparation of aqueous suspensions of alumina at least partially in the form of ultra-fine boehmite and their applications |
| 09/02/1980 | US4220629 Chlorination of ores with catalyzed metal chlorides |
| 09/02/1980 | CA1084720A1 Method for production of coarse crystalline allumina |
| 08/26/1980 | CA1084353A1 Process of alumina deposition on a substrate |
| 08/20/1980 | EP0014557A1 Process for precipitating metal values from organic media |
| 08/19/1980 | US4218413 High pore volume alumina powders |
| 08/19/1980 | US4218209 Method and apparatus for the thermal treatment of fine-grained material with hot gases |
| 08/19/1980 | CA1083827A1 Bayer process production of alumina |
| 08/19/1980 | CA1083784A1 Process for recovery of alumina-cryolite waste in aluminum production |
| 08/12/1980 | US4217337 Process for manufacturing an alumina substrate by acid purifying a prefired substrate before final firing |
| 08/06/1980 | EP0013833A1 Method of producing beta-alumina ceramic material and ceramic material made thereof |
| 08/05/1980 | US4216122 Manufacture of high surface area spheroidal alumina particles having a high average bulk density |
| 08/05/1980 | US4216086 Process for clarifying water |
| 08/05/1980 | CA1082885A1 Dispersible boehmite alumina |
| 08/05/1980 | CA1082884A1 Process for the extraction of alumina from aluminum- containing silicates |
| 08/05/1980 | CA1082883A1 Method for removing ferrous iron from alkali metal aluminate liquor |
| 08/05/1980 | CA1082880A1 Process for the manufacture of aluminium chloride |
| 07/29/1980 | US4215094 Method for the removal of organic substances from alkali metal aluminate solution |
| 07/29/1980 | CA1082425A1 Lime feeding for bayer process |
| 07/23/1980 | EP0013407A1 Method for the removal of impurities from sodium aluminate solution |
| 07/22/1980 | US4213943 Production of aluminum chloride from clay using staged reactors |
| 07/22/1980 | CA1081914A1 METHOD OF PREPARING .beta."-A1.SUB.2O.SUB.3 |
| 07/15/1980 | CA1081674A1 Control of physical properties of alumina extrudates |
| 07/08/1980 | US4211667 Peptization by small amounts of an organic acid |
| 07/01/1980 | CA1080673A1 Aerosol dispenser |
| 07/01/1980 | CA1080439A1 Process for extracting alumina from alumina-containing ores |
| 06/25/1980 | EP0012152A1 Method for the production of high pore volume alumina powders |
| 06/24/1980 | US4209707 Wire guide plate for production of gaseous metal halides |
| 06/24/1980 | US4209655 Olefin isomerization using an extruded alumina paste supporting a platinum group metal catalyst |
| 06/24/1980 | CA1080151A1 Forming crust in electrolysis of salt charge of aluminium oxide content above eutectic point |
| 06/17/1980 | US4208475 Reacting sodium and aluminum alkoxides, hydrolysis |
| 06/11/1980 | EP0011667A1 Process for preparing aluminium trihydroxide and its use as a filler |
| 06/10/1980 | US4207426 Alkylaromatic isomerization using platinum group metal on extruded alumina support |
| 06/10/1980 | CA1079032A1 Method of carrying out endothermic processes |
| 06/03/1980 | US4206085 Hydrorefining catalyst |
| 06/03/1980 | CA1078608A1 Installation for calcining or sintering fine-grained material |
| 05/28/1980 | EP0011084A1 Process for the pyrogenic production of a highly particulate oxide of a metal and/or metalloid |
| 05/27/1980 | CA1078142A1 Method of producing aluminum fluoride |
| 05/20/1980 | US4203962 Mixing with an alkali metal hydroxide or alkali solution, compressing, autoclaving, drying, roasting, and comminuting |
| 05/20/1980 | CA1077679A1 Production of aluminum chloride |
| 05/20/1980 | CA1077678A1 Process for the manufacture of aluminium chloride from ores |
| 05/13/1980 | US4202870 Process for producing alumina |
| 05/13/1980 | CA1077238A1 Process for producing magnesium aluminate spinel |
| 05/06/1980 | US4201760 Lithium salt reacted with aluminum salt |
| 05/06/1980 | US4201749 Method for the separation of precipitated aluminum hydroxide from sodium aluminate solution |
| 04/29/1980 | US4200622 Purification of ammonium fluoride solutions |
| 04/15/1980 | US4198318 Production of high strength alumina spheres by hydrogelling corresponding slurries |
| 04/15/1980 | CA1075841A1 Melt viscosity stabilizers for vinyl chloride polymers |
| 04/15/1980 | CA1075438A1 Process for the production of sodium aluminate |