Patents for C01F 7 - Compounds of aluminium (12,677)
05/1982
05/19/1982EP0051947A1 Solid state electrolytes for electrochemical cells
05/18/1982CA1123576A1 Alumina production by nitric acid extraction of clay
05/11/1982CA1123306A1 Aluminium sulphate compositions containing polynuclear complexes and a method of producing the same and the use thereof
05/11/1982CA1123173A1 Controlling the pore diameter of precipitated alumina
05/05/1982EP0050640A1 Process and equipment for the performance of recipitate forming reactions by using an ion-exchange auxiliary phase
05/04/1982CA1122781A1 Decomposition of aluminum nitrate
04/1982
04/27/1982US4326961 Magnesium aluminate anion exchangers
04/27/1982CA1122381A1 Alumina compositions and processes for preparing them
04/20/1982CA1122189A1 Ultra-stable, high surface area alpha-alumina
04/20/1982CA1121982A1 Purification of aluminium chloride
04/20/1982CA1121974A1 Chlorination of aluminous material at superatmospheric pressure
04/13/1982US4324769 Digestion of ore at low temperature in caustic aluminate liquid
04/13/1982US4324585 Formation of aluminum bromide from bauxite, decomposition to aluminum monobromide which is separated and disproportionated
04/06/1982US4323544 Comprinsing alumina and a group ia or iia component
03/1982
03/31/1982EP0048691A1 Process for producing coarse crystalline alpha-Al2O3
03/30/1982CA1120694A1 Process for producing alumina
03/30/1982CA1120685A1 Aluminium magnesium carbonate
03/24/1982EP0048100A1 Process for removing water from gel materials
03/23/1982US4321244 Process for the treatment of a calcium aluminophosphate
03/23/1982US4321065 Lithium aluminates for gas chromatograph columns
03/23/1982CA1120236A1 Method for the production of alumina
03/18/1982WO1982000820A1 Magnesium aluminum spinels
03/16/1982US4320098 Aluminum sulfate manufacture from aluminum dross tailings
03/16/1982US4320074 Catalyst support and a water soluble organic polymer
03/16/1982CA1119773A1 Stable aqueous alkali metal aluminate solutions
03/09/1982US4318896 And formation of a hydrogel from a hydrosol
02/1982
02/23/1982CA1118581A1 Highly reactive alumina, its preparation and its use in the production of aluminium hydroxychloride
02/16/1982US4315839 Spheroidal alumina particulates having bifold porosity and process for their preparation
02/16/1982CA1118357A1 Basic aluminium antiperspirant compound having a defined distribution of polymeric species
02/09/1982US4314913 Catalyst for removing NOx from gas streams
02/09/1982CA1117987A1 Sintered high density spherical ceramic pellets for gas and oil well proppants and their process of manufacture
02/02/1982US4313923 Method of producing pseudoboehmites
02/02/1982CA1117274A1 Dense phase precipitation
01/1982
01/27/1982EP0044366A1 Distillative freezing process for separating close boiling mixtures
01/19/1982US4311486 Process for producing coarse grains of aluminum hydroxide
01/13/1982EP0043751A1 Process for the preparation of high-purity aluminae from ammonium alum
01/12/1982CA1115930A1 Inhibition of perspiration
01/11/1982EP0032912A4 Nitric acid reconstitution.
01/08/1982EP0032493A4 Decomposition of aluminum nitrate.
01/08/1982EP0032490A4 Alumina production by nitric acid extraction of clay.
01/08/1982EP0032489A4 Basic aluminum nitrate crystallization.
01/05/1982US4309312 Manufacture of spherical alumina from gibbsite
01/05/1982CA1115489A1 Method of processing aluminous ores
01/05/1982CA1115488A1 Production of anhydrous aluminium chloride
12/1981
12/29/1981US4308244 Process for producing fluorine compounds and amorphous silica
12/29/1981US4308088 Calcining aluminum hydroxide in presence of fluorine-containing mineralizer
12/22/1981US4307163 Lithium oxide halide solid state electrolyte
12/22/1981CA1114584A1 Production of anhydrous aluminum chloride
12/15/1981US4305913 Alumina hydrate production from Bayer liquor by seeding
12/15/1981CA1114173A1 Process for digesting bauxite
12/08/1981US4304052 Drying intumescent material
12/08/1981CA1113689A1 Method for superheating gases
12/08/1981CA1113685A1 Control of purity and particle size in production of aluminum chloride
12/01/1981US4303204 Upgrading of bauxites, bauxitic clays, and aluminum mineral bearing clays
12/01/1981CA1113255A1 Method for obtaining pure alumina through acid treatment of aluminum ores containing other elements
12/01/1981CA1113254A1 Process of extraction of aluminium values from coal ash
12/01/1981CA1113213A1 Method for making alumina balls
11/1981
11/25/1981EP0040521A1 Antacid material based on magnesium aluminium hydroxide and the preparation thereof
11/18/1981EP0039717A1 A method of preparing water purifying agents.
11/17/1981US4301138 System for transporting particulate solids from high temperature to low temperature zone
11/17/1981US4301037 Having improved mechanical properties and thermal stability
11/17/1981US4301033 High apparent bulk density gamma alumina carrier and method of manufacture of same
11/10/1981CA1112021A1 Inorganic fibers
11/04/1981EP0039220A1 Amorphous lithium fluoaluminate, a solid electrolyte comprising the same and devices including the same
11/03/1981CA1111624A1 Process for the manufacture of coarse aluminum hydroxide
10/1981
10/29/1981WO1981003016A1 Process and equipment for the performance of precipitate forming reactions by using an ion-exchange auxiliary phase
10/28/1981EP0038705A2 Process for the production of a low density activated alumina formed product
10/27/1981US4297336 Preparation of solutions of basic aluminium nitrate
10/27/1981US4297327 Method of precipitation of pure aluminiumchloride from solutions which contain ions of aluminium and magnesium
10/27/1981US4297326 Method of producing a pure aluminiumoxide from solutions containing dissolved ions of aluminium and iron
10/27/1981US4297325 Method of producing pseudoboehmite from aluminum salt solutions
10/27/1981CA1111229A1 Method for the removal of impurities from sodium aluminate solution
10/20/1981US4296089 Inorganic fibers
10/20/1981US4296079 Method of manufacturing aluminum sulfate from flue gas
10/20/1981US4296057 Method of making alumina fibers
10/20/1981CA1110828A1 Process for the purification of solutions containing carbonates, sulphates, possibly potassium or sodium hydroxide, and at least one of the metals vanadium, uranium, molybdenum
10/20/1981CA1110826A1 Production of low loose bulk density alumina
10/20/1981CA1110825A1 Decomposition process for aluminium chloride hexahydrate by indirect heating with part of recycled calcinate
10/01/1981WO1981002728A1 Preparation of dihydroxyaluminium sodium carbonate
09/1981
09/29/1981US4292295 Highly reactive alumina and process for the preparation thereof
09/29/1981CA1109856A1 Hydrodesulfurization catalysts based on supports prepared from rehydratable alumina
09/29/1981CA1109642A1 High pore volume alumina powders
09/22/1981US4291011 Method for production of aluminum oxide
09/22/1981CA1109230A1 Cooling aluminum chloride vapors by contact with solid aluminum chloride
09/15/1981US4289735 Reduction and chlorination of alumina in fluidized bed in presence of solid diluent
09/15/1981US4289629 Removal of contaminants from strongly alkaline solution
09/08/1981US4288414 Process for chlorinating clays and bauxite
09/08/1981CA1108377A1 Preparation of high surface area metal fluorides and metal oxyfluorides, especially aluminum fluoride extrudates
09/02/1981EP0034889A1 Porous aluminas and their preparation
09/01/1981US4286990 Temperature stabilized, pyrogenically produced aluminum oxide-mixed oxide, the process for its production and use
09/01/1981US4286944 Installations for the calcination of alumina and similar products
09/01/1981CA1107939A1 High pore volume alumina from dilute high injection alkoxide feed
09/01/1981CA1107938A1 Process for the production of electrofusion corundum
08/1981
08/25/1981US4285726 Active anti-corrosion pigments based on calcium oxide, aluminium oxide and iron oxide
08/18/1981US4284611 Aqueous phosphate-stabilized polyaluminum sulfate solutions and preparation thereof
08/18/1981US4284607 Chlorination of aluminous materials using preselected solid reducing agents
08/18/1981CA1107306A1 High mechanical resistance alumina agglomerates, and method for their production
08/11/1981US4283371 Process for the production of aluminum chloride and related products
08/05/1981EP0032912A1 Nitric acid reconstitution
08/04/1981US4282191 Zinc removal from aluminate solutions