Patents for C01F 7 - Compounds of aluminium (12,677)
10/1986
10/08/1986CN86101013A Method of making abrasive
10/07/1986US4615875 Digesting in hcl and water aluminum metal seeding, calcining sol; friable
09/1986
09/30/1986US4614642 Method of producing an aluminium trihydroxide with a large, even particle size
09/30/1986US4614641 Low temperature digestion of fines fraction; two-step process, desilication, precipitation
09/30/1986CA1211921A1 Process for the preparation of high purity alumines from contaminated aluminium chloride solutions
09/24/1986EP0195732A1 Process and apparatus for the decomposition without agitation of sodium aluminate liquors for the production of alumina
09/24/1986EP0195669A2 Process for preparing hydrated alumina
09/24/1986EP0195491A2 Method of making aluminous abrasives
09/23/1986US4613585 Process of preparing alumina for use in catalyst carrier
09/23/1986US4613493 Drying hydrate, separating fines
09/17/1986CN85108251A Method and apparatus for alumina preparation by decomposing sodium aluminate solution without stirring
09/17/1986CN85102281A Method of making low-sodium 2-alumina of superfine grains
09/17/1986CN85102276A Method of making sandy alumina from refined solution of sintering process
09/16/1986US4612184 High specific surface hydrargillite
09/16/1986US4612168 Process for refining brass and aluminum scraps
09/16/1986US4612138 Stable acidic and alkaline metal oxide sols
09/16/1986CA1211274A1 Extra-pure boechmites and pseudo-boehmites, and their manufacture
09/10/1986CN85103011A High toughness ceramics knife material based on nitrided silicon and its manufacture process
09/09/1986US4610866 Hydrolysis of chelated aluminum alkoxide
09/09/1986US4610857 Method for making ultra-fine ceramic particles
09/03/1986CN85107358A Method for preparation polyhydroxy aluminium-chloride from coal waste rock
09/02/1986US4609534 Lime cleaning process to remove manganese oxide
09/02/1986CA1210569A1 Process for desilication of aluminate liquors in the production of alumina
09/02/1986CA1210566A1 Improved solution process for unrefined uranium tetrafluoride
09/02/1986CA1210565A1 Aluminum-fluorine compound manufacture
08/1986
08/27/1986CN85109376A Purification of bayer process liquors
08/26/1986US4608237 Use of polymers in alumina precipitation in the Bayer process of bauxite beneficiation
08/20/1986EP0191628A2 Preparation of basic aluminium halides
08/19/1986US4606904 Apparatus for the manufacture of calcined aluminum fluoride
08/13/1986EP0190584A2 Process for producing shaped ceramic articles
08/13/1986EP0190352A1 Alkali metal-carrying substance, and its use as catalyst
08/13/1986EP0190140A1 Process for the removal of impurities from optical component materials.
08/12/1986US4605631 Treating aqueous salt solutions with ammonia producing hexamethylenetetramine, then alkali metal hydroxide, and calcining
08/06/1986CN85100218A Method for preparing alumina by hydrolysis of low carbon aluminum alkoxide
07/1986
07/30/1986CN85100161A Carbonation process (co2 process) for producing pseudoboehmite
07/29/1986CA1208614A1 Method for fabricating ceramic materials
07/29/1986CA1208413A1 Aluminium hydroxycarbonate gel
07/23/1986EP0188388A2 Alpha-alumina particles, and process for preparing the same
07/23/1986EP0188268A2 Process for the preparation of aluminiumhydroxide with a small content of impurities, especially of iron and with a high brightness
07/22/1986CA1207982A1 Bayer process production of alumina hydrate
07/17/1986WO1986004017A1 Foam production
07/17/1986WO1986003972A1 Low viscosity aluminum hydroxy carbonate gel process
07/16/1986CN85100219A Method for removing impurities from alumina sol obtained by using low purity aluminium
07/15/1986US4600442 Process for the removal of impurities from optical component materials
07/15/1986CA1207630A1 Continuous process for neutralization of aluminate solution to form gels and apparatus therefor
07/02/1986EP0186312A2 Purification of Bayer process liquors
07/02/1986EP0186149A2 Non-aged inorganic oxide-containing aerogels and their preparation
07/01/1986US4597953 Halogen recovery
07/01/1986US4597952 Purification of solutions of sodium aluminate in the Bayer cycle by the removal of sodium oxalate
07/01/1986US4597840 Process for the continuous production of aluminum by the carbochlorination of alumina and igneous electrolysis of the chloride obtained
06/1986
06/25/1986EP0185548A2 Methods of fluidizing and fluidizable mixtures
06/17/1986US4595581 Heating aqueous aluminate solution containing caustic soda, seeding with alumina to precipitate boehmite
06/17/1986CA1205977A1 Process for the preparation of alumina
06/11/1986EP0184526A1 Process for the application of a two-step seeding to produce coarse alumina
06/10/1986US4594335 Transition metal aluminates
06/04/1986EP0183171A2 Method of preparing enhanced efficacy aluminum chlorhydrate antiperspirant and antiperspirant composition
06/03/1986CA1205292A1 Process for preparing coarse-grained alumina trihydrate
05/1986
05/28/1986EP0182202A2 Active filler for abrasive discs
05/27/1986US4591334 Fluidization aid
05/21/1986EP0181847A2 A process of producing a flocculating agent
05/14/1986EP0180900A2 Process for the adjustment of the structure and/or surface characteristics of oxidized materials
05/14/1986EP0180604A1 Removal of organics from bayer process streams.
05/13/1986CA1204273A1 Clear aluminum oxide solutions and glasses
05/13/1986CA1204272A1 Preparative process for alkaline earth metal, aluminum-containing spinels
05/10/1986CN85108237A Process for effecting seeding in two phases for producing large-grain alumina
05/06/1986US4587116 Process for treating chlorinated nitrogen-containing hydrocarbons
04/1986
04/30/1986EP0179375A2 Aluminium hydroxide
04/29/1986US4585645 To enhance crystal grow and grinding characteristics
04/29/1986US4585635 Lead oxide, ion exchanging
04/29/1986CA1203665A1 Method for producing basic aluminium sulphate
04/29/1986CA1203664A1 Basic aluminium sulphate, its manufacture and use
04/22/1986US4584151 Method of producing a polycrystalline transparent spinel sintered body
04/22/1986US4584108 Dispersible alpha alumina monohydrate having increased viscosifying properties
04/22/1986US4583299 Tendrillar carbonaceous material
04/22/1986CA1203452A1 Stable acidic and alkaline metal oxide sols
04/22/1986CA1203386A1 Gallium extraction process using substituted hydroxyquinolines and organic compounds with a sulfate or a sulfonate group
04/22/1986CA1203364A1 Method for producing basic aluminium sulphate (iii)
04/15/1986US4582697 Decomposing hot, saturated, sodium aluminate with sodium oxide in presence of aluminum oxide; precipitation
04/15/1986CA1203071A1 Catalyzed aldol condensations
04/08/1986US4581208 Lowering organic contaminant content in a sodium aluminate solution by oxidation in a packed bed
04/08/1986US4581207 Recovery of aluminum from spent liquor
04/08/1986US4581164 Gel drying via treatment with organic liquid below gas stream
04/02/1986EP0176476A1 Process for the preparation of light, highly activated dispersed aluminium oxide, shaped products of light aluminium oxide and process for the preparation of the shaped products
04/02/1986EP0176126A1 Apparatus and process for treating pickling and etching solutions
04/01/1986US4579839 Rehydration bondable alumina
04/01/1986US4579729 Wide pore alumina supports
04/01/1986US4579728 Wide pore alumina supports
04/01/1986US4579722 Removing iron from red mud and bauxite as iron pentacarbonyl; reduction and carbonylation
04/01/1986CA1202471A1 Production of a purified alumina-silica product and substantially pure aluminum chloride from bauxites and clays
04/01/1986CA1202470A1 Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays
04/01/1986CA1202469A1 Production of aluminum chlorides from bauxites and clays
04/01/1986CA1202467A1 Crystallization of polyaluminium hydroxide complexes
03/1986
03/25/1986US4578255 Using cationic polymer of quaternary ammonium salt
03/18/1986US4576819 Antacids
03/18/1986US4576802 Nitric acid, aluminum compound, complexing, multistage, agitation
03/11/1986CA1201706A1 Preparative process for alkaline earth metal, aluminum-containing spinels
03/11/1986CA1201699A1 Preparative process for alkaline earth metal, aluminum-containing spinels
03/11/1986CA1201594A1 Enrichment process for molybdenum from molybdenum and alkaline carbonate, sulfate, hydroxide or hydrocarbonate and eventually uranium containing solutions
03/11/1986CA1201592A1 Process for extraction arsenic from solutions containing alkaline carbonate, sulfate and eventually hydroxyde, and at least one metal of a group containing vanadium, uranium and molybdenum
03/11/1986CA1201580A1 Luminescent screen