Patents for C01F 7 - Compounds of aluminium (12,677)
04/1980
04/01/1980CA1074769A1 Pellet type oxidation catalyst
04/01/1980CA1074574A1 Fused aluminum oxide abrasive grain containing reduced titanium oxide
03/1980
03/18/1980US4193791 Concentration of hydrated aluminum oxide minerals by flotation
03/18/1980US4193768 Method for preparing corundum particles
03/18/1980CA1073774A1 Aluminium hydroxychloride compositions
03/04/1980US4191737 Increasing alumina slurry life
02/1980
02/26/1980US4190639 Carbon monoxide, multivalent metal chloride molten salts, phosgene
02/26/1980CA1072299A1 Production of alumina from ores
02/26/1980CA1072298A1 Production of beta-lithium aluminate
02/19/1980US4189782 Memory organization
02/19/1980US4189326 Magnesium aluminum oxide
02/19/1980CA1072043A1 Method of extracting gallium from aluminate solutions
02/19/1980CA1071849A1 Process for preparing parts made of alkaline beta alumina
02/12/1980CA1071381A1 Process for manufacturing aluminum fluoride
02/06/1980EP0007833A1 Highly reactive alumina and process for its preparation
02/06/1980EP0007801A2 A process for preparing a stable, high surface alpha-alumina from gamma-alumina
02/06/1980EP0007434A1 Process for producing crystalline cryolite
01/1980
01/29/1980US4186178 Stabilization against increase in viscosity
01/29/1980CA1070592A1 Process for the preparation of aluminum hydroxychlorides
01/29/1980CA1070478A1 Process of producing calcium aluminate trisulfate hydrate and the dehydration product thereof
01/15/1980US4183900 Recovery of Mg++ from brines
01/15/1980CA1069673A1 Production of aluminum chloride
01/09/1980EP0006739A1 Antiperspirant composition and methods for its preparation and use
01/09/1980EP0006593A1 Process for producing tobermorite and ettringite
01/08/1980US4182747 Chlorides of aluminum, molybdenum, vanadium, cobalt, nickel; separating hydrocarbons impregnating waste catalyst support; chlorinating; passing effluent through sodium chloride
01/08/1980CA1069486A1 Method of preparing a controlled pore volume alumina with citric acid
12/1979
12/18/1979US4179581 Paraffinic hydrocarbon isomerization process
12/18/1979US4179411 Method of preparing a controlled pore volume alumina with citric acid
12/18/1979US4179408 Process for preparing spheroidal alumina particles
12/12/1979EP0006070A1 Process for obtaining pure aluminium oxide by hydrochloric acid leaching of aluminous minerals and extraction of impurities by a sulfuric-acid treatment
12/11/1979US4178187 Mixed oxide compound NdAlO3 for casting advanced superalloy materials
12/11/1979CA1067677A1 Aluminum chloride product and method of preparation
12/04/1979US4177251 Lithium
12/04/1979US4177242 Forming insoluble aluminum chlorosulfate which is separated and thermally decomposed
12/04/1979US4177235 Purification with silica
11/1979
11/28/1979EP0005679A1 Continuous process for obtaining pure aluminium oxide from an acid liquor originating from the chloro-sulfuric leaching of an aluminous mineral, and the purification of the liquor separated from the aluminium oxide
11/27/1979US4176171 High pore volume alumina from dilute high injection alkoxide feed
11/27/1979CA1066872A1 Method and apparatus for the fabrication of pure alumina from al2o3 and silica containing raw materials by leaching with hydrochloric acid
11/27/1979CA1066871A1 Recovery of solid selectively constituted high purity aluminum chloride from gaseous effluent
11/20/1979US4175118 Method for manufacturing a high porous alumina having a large surface area and a low bulk density
11/20/1979CA1066482A1 Production of alumina
11/14/1979EP0005419A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof
11/13/1979CA1066026A1 Redox treatment of alunite ore
11/13/1979CA1066025A1 Method of treating alunite ore
11/06/1979US4173622 Zeolite A crystals of uniformly small particle size and the manufacture thereof
11/06/1979CA1065746A1 A1n masking for selective etching of sapphire
11/06/1979CA1065581A1 PRECIPITATING .alpha. ALUMINA MONOHYDRATE
11/06/1979CA1065580A1 Methods for producing beta-alumina composites
10/1979
10/30/1979US4172879 Ferric iron removal from aluminum fluoride solutions
10/30/1979US4172809 Alumina, a method for its preparation and said alumina as carrier containing catalysts
10/23/1979CA1065068A1 Method of selectively precipitating metals from solutions
10/23/1979CA1064686A1 Fabrication process for parts made of alkaline beta alumina
10/17/1979EP0004841A2 Integrated process for treating waste water from anodisation plants
10/17/1979EP0004670A1 Process for the continious preparation of aluminium fluoride
10/17/1979EP0004643A2 Active anticorrosion pigments containing calcium oxide, aluminium oxide and iron oxide, process for their preparation and their use
10/16/1979US4171346 Reactor heater
10/16/1979US4171205 Crystallization
10/09/1979CA1063812A1 Preparation of abrasive material from spent catalysts
10/02/1979US4169883 Process for preparing ultra-stable, high surface area alpha-alumina
10/02/1979US4169874 Process for preparing shaped particles from rehydratable alumina
10/02/1979US4169824 Red mud treatment
10/02/1979CA1063319A1 Process of producing aluminum fluoride
09/1979
09/25/1979CA1062985A1 Alumina dispersions
09/11/1979US4167550 Methods of manufacture of beta-alumina
09/04/1979CA1061691A1 Preparation of damage-free surface on alpha-alumina
08/1979
08/28/1979US4166100 Decomposing alumina trihydride to aluminum hydroxide, hydrating, acidifying, calcining
08/22/1979EP0003713A1 Process for the thermic decomposition of aluminium chloride hexahydrate by indirect heating
08/14/1979US4164557 Process for the production of β-lithium aluminate and needle-shaped product
08/14/1979CA1060424A1 Alumina-based bodies obtained by agglomeration which are resistant to elevated temperatures
08/14/1979CA1060166A1 Shaping and heat treating compositions of decomposable aluminium compounds
07/1979
07/24/1979CA1058828A1 Process of producing calcium aluminate monosulfate hydrate
07/11/1979EP0002960A1 Manufacture of zeolite A crystals of uniformly small particle size
07/10/1979US4160815 Aluminum sulfate manufacturing process
07/10/1979US4160809 Modified pyrohydrolysis process for spent aluminum reduction cell linings
07/10/1979US4160808 Pyrohydrolysis process for spent aluminum reduction cell linings
07/03/1979US4160118 Method and apparatus for superheating gases
07/03/1979US4159969 Process for the preparation of agglomerates of porous aluminum oxide
07/03/1979CA1057731A1 Granular active alumina with high apparent density and high mechanical durability
06/1979
06/26/1979US4159313 Alumina agglomerates with good mechanical strength and a method of obtaining them
06/26/1979US4159311 Anion exchange resin having microcrystals of lithium halide-aluminum hydroxide suspended therein
06/26/1979US4159310 Process for recovering aluminum and other metal values from fly ash
06/19/1979US4158701 Pyrohydrolysis system for processing fluorine-containing spent and waste materials
06/12/1979US4158042 Acidification, recivering aluminum chloride, regeneration of hydrogen chloride gas
06/05/1979US4157382 Process for preparing low soda pseudoboehmite gel
06/05/1979CA1055918A1 Preparation of spheroidal alumina particles
06/05/1979CA1055917A1 Process for preparing spheroidal silico-alumina particles
05/1979
05/30/1979EP0002016A1 Method of purifying ammonium fluoride solutions
05/15/1979US4154812 Precipitation from aluminum sulfate and sodium aluminate
05/15/1979CA1054592A1 Process for preparing spheroidal alumina particles
05/15/1979CA1054516A1 Compositions and methods for diagnosing brucella canis infection
05/08/1979US4153669 Removal of metals from waste materials that contain bimetallic salt complexes
05/08/1979US4153452 Recovery of metals from bimetallic salt complexes
05/01/1979CA1053443A1 process for the thermal decomposition of aluminium chloride hexahydrate
04/1979
04/24/1979US4151267 Process for producing alumina
04/24/1979US4150952 Sampling, particle size and surface area measurement
04/18/1979EP0001537A1 Process for the treatment of solutions containing carbonate, sulfate, possibly hydroxide of sodium or potassium and at least one of the metals vanadium, uranium, molybdenum
04/17/1979US4149898 Decomposition of smelted metallurgical slag by ultrasonic or high frequency vibration
04/17/1979CA1052583A1 Process for digesting goethite-containing bauxites according to the bayer technology
04/17/1979CA1052582A1 Process for liquid/liquid extraction of gallium
04/03/1979US4147734 Process for dealkylating an alkylaromatic hydrocarbon using supported catalyst