Patents for C01F 7 - Compounds of aluminium (12,677)
03/1983
03/02/1983EP0072995A1 Clear aluminum oxide solutions and glasses
02/1983
02/22/1983US4374807 Method for recovering aluminum fluoride from fluorine-containing aqueous aluminum nitrate solutions
02/16/1983EP0072142A2 Preparation of co-dried aluminium oxyhydroxides
02/15/1983US4374119 Process for the production of coarse crystalline alumina
02/15/1983US4374101 Chemical dissolution of scale formed during pressure leaching of nickeliferous oxide and silicate ores
02/01/1983US4371513 Catalyst supports
02/01/1983US4371503 Apparatus for the vaporization of aluminum trichloride
01/1983
01/25/1983US4370310 Zinc aluminate prepared using an alumina hydrate
01/25/1983CA1140280A1 Process for removing fluorides in effluents containing them
01/12/1983EP0069719A1 A method for producing basic aluminium sulphate
01/12/1983EP0069718A1 Basic aluminium sulphate, its manufacture and use
01/11/1983CA1139056A1 Method to produce mineral fillers containing hydrated calcium monocarboaluminate
01/04/1983US4367267 Useful as a solid electrolyte
01/04/1983US4367215 Method of acid leaching of silicates
01/04/1983CA1138649A1 Process for recovering aluminum and other metals from fly ash
01/04/1983CA1138643A1 Calcination unit for alumina and similar products
12/1982
12/28/1982US4366129 Process for producing alumina and ferric oxide from aluminium carriers with high iron and silicon content
12/22/1982EP0067744A1 Process for the preparation of very divided alumina or alumina-magnesia spinels with a homogeneous porous structure
12/21/1982US4364919 Process for producing coarse grains of aluminum hydroxide
12/21/1982CA1137760A1 Process for the removal of organic compounds from alum earth production cycle
12/15/1982EP0066746A1 Method of preparing beta-alumina articles, especially for sodium-sulfur electrochemical generators
12/14/1982US4363789 Alumina production via aluminum chloride oxidation
12/08/1982EP0066290A2 Process for the preparation of an inorganic liquid aqueous floculating agent
12/08/1982EP0066256A2 Use of calcined alpha-Al2O3 as a filtration aid for the purification of alcaline solutions
12/07/1982US4362794 Alkali metal, group 3 metal, sulfide, halide
12/07/1982US4362703 Phosphating, basification, fluorination
12/01/1982EP0065863A2 Method of producing ceramic-forming metal hydroxide and oxide powders
11/1982
11/30/1982CA1136599A1 Manufacture of high surface area spheroidal alumina particles having a high average bulk density
11/30/1982CA1136524A1 Enhanced oxide whisker growth on peeled a1-containing stainless steel foil
11/30/1982CA1136380A1 Method of precipitation of pure aluminium-chloride from solutions which contain ions of aluminium and magnesium
11/30/1982CA1136379A1 Method of producing a pure aluminiumoxide from solutions containing dissolved ions of aluminium and iron
11/25/1982WO1982004036A1 Recovery of fluoride values from carbonaceous materials
11/23/1982US4360449 Alumina dispersion behavior
11/23/1982CA1136059A1 Filtration apparatus
11/16/1982US4359456 Antiperspirant activity of basic aluminum compounds
11/16/1982US4359410 Process of producing a catalyst carrier
11/10/1982EP0064226A1 Ceramic hydrogen ion conductor and its preparation
11/03/1982EP0063812A1 A process for the sizing of paper
11/03/1982EP0063750A2 Process for the preparation of potassium tetrafluoro aluminate
11/02/1982US4357427 Dissolving an aluminum alkoxide and doping magnesium compound in water; hydrolysis; peptization; drying; roasting
10/1982
10/26/1982US4356162 Method of obtaining alkali aluminates from aqueous solutions
10/26/1982US4356157 Synthesis of dawsonites
10/20/1982EP0063034A2 Rigid coherent gel
10/19/1982US4355020 Thixotropic aluminum hydroxide chloride and medical and other applications thereof
10/19/1982US4355017 Aluminum electrolytic cell cathode waste recovery
10/19/1982US4355015 Process for the production of finely divided oxides of metals
10/19/1982US4355008 Chlorination process
10/19/1982US4355007 Two stage chlorination process for aluminum value containing source
10/12/1982US4353882 Purification of aluminum chloride
10/12/1982US4353751 Reaction of aluminum hydroxide, calcium carbonate, and calcium hydroxide in presence of water
10/06/1982EP0062016A1 An aluminium chloride composition and a method for its manufacture
10/06/1982EP0062015A1 Aluminium sulphate composition for water-purifying, paper-sizing and plant dewatering purposes and a method for producing the composition
10/05/1982CA1132963A1 Double porosity alumina beads, their preparation, and their use as catalyst supports
10/05/1982CA1132938A1 Integrated waste water treatment from anodising processes, and installation for said treatment
09/1982
09/28/1982US4351814 Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof
09/14/1982US4349516 High temperature absorption of aluminum chloride with an alkali chloride to form ionic complex
09/14/1982US4349420 Fractional distillation process for the production of aluminum chloride
09/08/1982EP0059212A1 Magnesium aluminium spinels.
09/07/1982US4348468 Beta alumina solid electrolyte material and its manufacture and electrochemical cells or other energy conversion devices containing such material
09/07/1982US4348366 Process for the production of alumina and alumina compounds from wastes
09/07/1982US4348341 Process for production of precursor of alumina fiber
09/07/1982US4348297 Crystalline lithium aluminates
09/07/1982US4348296 Crystalline lithium aluminates
09/07/1982US4348295 Complexing hydrous alumina with lithium salt
09/01/1982EP0058786A1 Stable aqueous alkali metal aluminate solutions
08/1982
08/31/1982US4347327 Recovery of lithium from brines
08/31/1982CA1130536A1 Method for treatment of bayer liquor
08/25/1982EP0058419A1 High purity alumina bodies
08/19/1982WO1982002730A1 Inorganic filling agent composition of high retention for paper industry
08/17/1982US4344928 Process for preparing alumina particulates, at least a fraction of which being ultrafine boehmite
08/11/1982EP0057406A2 Alcaline beta alumina composition, especially for sodium-sulfur electrochemical generators
08/05/1982WO1982002538A1 A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride
08/03/1982US4342729 By calcining a dry mixture of aluminum silicates and sodium or potassium bisulfate to form the double salt
07/1982
07/28/1982EP0056792A1 A method for recovering useful products from waste products obtained when manufacturing aluminium fluoride
07/27/1982US4341663 Catalyst support
07/20/1982US4340579 Process for producing modified alumina hydrate crystals
07/13/1982US4339511 Preparation of powders suitable for conversion to useful β-aluminas
07/13/1982US4339415 Recovery of soluble alumina values from alumina bearing ores
07/13/1982CA1127375A1 Alumina production
07/08/1982WO1982002191A1 Improved method of carbochlorination of alumina in a bath of melted salts
07/07/1982EP0055681A1 Process for the carbochlorination of alumina in a fused salt bath
07/07/1982EP0055486A1 Process for producing aluminum oxide
06/1982
06/30/1982EP0055164A1 Process for preparing alumina agglomerates
06/30/1982EP0054976A1 Process for preparing spherical alumina beads
06/29/1982US4337228 Forming slurry of aluminum oxide byproducts then adding sulfuric acid
06/29/1982CA1126683A1 Recovery of gallium from alkali metal aluminate by liquid alloy treatment and electrolysis
06/22/1982US4336030 Process for continuous crystallization
06/22/1982CA1126243A1 Spheroidal alumina particles and catalysts employing the particles as a support
06/15/1982US4335082 Precipitation with lime
06/15/1982US4334898 From a gas containing gaseous aluminum chloride by means of a fluidized bed condenser
06/15/1982US4334893 Recovery of alkali metal catalyst constituents with sulfurous acid
06/08/1982US4333846 Transition metal aluminates
06/01/1982US4332782 From an aluminum sulfate gel
06/01/1982US4332778 Non-evaporative process for the production of aluminum sulfate
06/01/1982US4332592 Multistage crystallization, classification of suspension, recirculation, separation
05/1982
05/25/1982US4331645 Alumina from alkali metal-aluminum chloride complexes
05/25/1982US4331637 Removal of iron
05/25/1982US4331636 Calcining with chloride, chlorination, crystallization, calcining
05/25/1982US4331631 Enhanced oxide whisker growth on peeled Al-containing stainless steel foil
05/25/1982CA1124034A1 Aluminum dross processing