Patents
Sitemap › C01 - Inorganic chemistry › C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals › C01F 7 - Compounds of aluminium
Patents for C01F 7 - Compounds of aluminium (12,677)
12/1989
12/27/1989EP0348384A2 Process and apparatus for producing metal oxides
12/27/1989CN1006221B Process for effecting seeding in two phases for producing large-grain alumina
12/26/1989US4889695 Leaching with caustic, then aluminum sulfate and sulfuric acid
12/26/1989US4889563 Process for retarding and controlling the formation of gels or precipitates derived from aluminium and corresponding compositions, plus the corresponding applications-in particular regarding oil wells
12/19/1989US4888067 Process for producing flux for brazing
12/13/1989EP0345654A2 Process for the removal of sodium oxalate from alkaline aluminate liquors
12/13/1989CN1037999A Mixed lanthanum-magnesium aluminates, their production process and lasers using these aluminates
12/06/1989EP0344469A2 Process for the production of agglomerates of aluminium hydroxide having a large grain size
11/1989
11/29/1989EP0343233A1 Supercritical fluid reverse micelle separation.
11/29/1989CN1037493A Method for removing harmful red mud deposited during production of aluminium oxide
11/23/1989EP0342841A1 Method for producing mono-crystalline alumina grains
11/21/1989US4882140 Solid aluminum hydroxide compositions
11/21/1989US4882133 Coating sol, shrinkage, scraping
11/16/1989WO1989010897A1 Ultra high purity halides and their preparation
11/14/1989US4880612 Aluminum, iodine compound and ammonia
11/08/1989CN1036935A Recovering and utilizing method of waste alkali liquid in graphite purifing technology
11/07/1989US4879079 Formation of lanthanum aluminate
11/02/1989EP0339766A1 Reducing colloidal iron levels in bayer liquors
11/01/1989CN1036753A Thixotropic cement compositions
11/01/1989CN1036747A Reducing colloidal iron levels in bayer liquors
10/1989
10/31/1989US4877597 By-product inhibition; one step reaction of aluminum sulfate and alkali metal aluminate solution under high shear mixing;
10/17/1989CA1262381A1 Dimeric aluminum compounds and their use
10/11/1989EP0336322A1 Process for producing lithium aluminate powder having large specific surface area
10/11/1989EP0335930A1 Bonded abrasive
10/11/1989EP0190352B1 Alkali metal-carrying substance, and its use as catalyst
10/04/1989EP0335707A2 Method for transferring heat between process liquor streams
10/03/1989US4871696 Oxidation of parent metal, comminution of oxide product, leaching,recovering
10/03/1989US4871525 Aluminum zirconium hydroxy halide glycinate complex
09/1989
09/27/1989EP0209084B1 Process for preparing ceramic polycrystalline abrasives
09/26/1989CA1261596A1 High solids of content gels and a process for producing them
09/26/1989CA1261590A1 Rehydration bondable alumina
09/26/1989CA1261589A1 Predetermined and enhanced densification in sintered metal oxides
09/26/1989CA1260912A1 Wide pore alumina supports
09/26/1989CA1259773A1 Flocculating agents and processes for making them
09/21/1989WO1989008728A1 Metallic surface protection
09/21/1989WO1989008693A1 Viscosity-modifiers for aqueous-based functional products
09/21/1989WO1989008611A1 Ceramic powder and a process for the preparation thereof
09/21/1989WO1989008610A1 High surface area metal oxide foams and method of producing the same
09/20/1989EP0332686A1 Process for preparing metallic oxides
09/20/1989EP0232302B1 Clarification of bayer process liquors
09/20/1989CN1035646A Process-control device for preparation of aluminate solution from bauxite
09/13/1989CN1035480A Process for preparation of basic aluminium chloro-sulfonate
09/12/1989US4865825 Process for the decomposition of sodium aluminate liquor for the production of alumina
09/08/1989WO1989008084A1 Thixotropic cement compositions
09/06/1989CN1035273A Preparation for whitening aluminium hydroxide
08/1989
08/29/1989US4861572 Process for manufacture of metal oxide
08/29/1989US4861460 Hydrotreating with wide-pore hydrogel-derived catalysts
08/23/1989EP0329194A2 Metallo-organo aluminates as additives
08/22/1989US4859446 Process for preparing basic aluminum compounds having increased sweat resistant activity
08/22/1989US4859338 Porous steel foil with layer of shaped oxides
08/17/1989DE3902323A1 Process for preparing aluminium oxide having a single crystal size below 1 mu m
08/16/1989EP0328068A1 Preparation of strong beta-aluminum bodies
08/16/1989EP0327660A1 Process for the production of fillers and fire-preventing materials based on hydrargillite-type aluminium hydroxide
08/16/1989CN1034701A Basic aluminium chlorosulphate, process for producing it, and its use as flocculating agent
08/16/1989CN1034700A Process for preparing granule of aluminum oxide, and products thereform
08/15/1989US4857294 Process for the preparation of metal fluorides usable for the production of fluoride glasses
08/09/1989EP0327419A1 Basic aluminium chloride sulfate, process for its preparation, its use as a floculating agent
08/08/1989US4855114 Using hydroxyquinoline
08/03/1989DE3902175A1 Process for preparing ss''-aluminium oxide
08/01/1989US4853207 Process for the manufacture of vitreous metal oxides
08/01/1989US4853205 Supercritical fluid metal halide separation process
07/1989
07/26/1989EP0324936A1 Zirconium-doped pseudoboehmite, process for its preparation and its use
07/26/1989CN1034184A Prepn. of alumina by improved bayer's digestion process
07/19/1989EP0324513A1 Ceramic shaped article and methods of making same
07/18/1989US4849190 Process for the production of hydrated alumina and process for the treatment of acid wastes
07/18/1989CA1257522A1 Non-aged inorganic oxide-containing aerogels and their preparation
07/11/1989US4847064 Bayer process, roasting
07/11/1989US4847061 Process for preparation of silane
07/11/1989CA1257246A1 Fluidization aid for cohesive materials
07/05/1989EP0323304A1 Composition comprising an oxide with a spinel structure, its use as a catalyst and process for obtaining it
07/05/1989CN1004691B Method of production of aluminium otide containing lighium
07/04/1989US4845056 Continuous process for production of fine particulate ceramics
07/04/1989US4844808 Liquid/liquid extraction of gallium values
07/04/1989CA1256852A1 Wide pore alumina supports
07/04/1989CA1256673A1 Continuous production of alumina from monohydrate bauxites according to the bayer process
06/1989
06/28/1989CN1004640B Preparation of mgo.lao.al2o3.ndo single crystal
06/28/1989CN1004631B Method of making abrasive
06/27/1989US4843168 Hydrogenation catalyst containing magnesium, aluminum
06/27/1989US4842848 Synthetic flaky extender pigments
06/20/1989US4840795 Using aluminum hydroxide
06/15/1989WO1989005336A1 Chemical reactions in reverse micelle systems
06/15/1989WO1989005281A1 Oxidizing method for production of special aluminas from pure aluminum chloride
06/07/1989EP0319364A1 Process for the preparation of granules of aluminium oxide, and products therefrom
06/06/1989US4837069 High density, reflection
06/06/1989US4836990 Oxidation of impurities
06/01/1989WO1989004858A1 Supercritical fluid reverse micelle separation
06/01/1989WO1989004844A1 Processes for microemulsion polymerization employing novel microemulsion systems
06/01/1989WO1989004811A1 Method for the processing of fly ash, scrubber sludge and the like; and products recovered therefrom
05/1989
05/31/1989EP0318191A1 Oral phosphate ion adsorbent
05/31/1989EP0318102A2 Process and apparatus for the preparation of aluminium oxide particles of alpha-modification
05/30/1989US4835124 Boehmite
05/30/1989US4834798 Corrosion resistant refractory coating
05/24/1989EP0317393A1 Process for the production of basic aluminium chloro-sulfate
05/24/1989DE3738888A1 Verfahren und vorrichtung zur kontinuierlichen synthese einer waessrigen aluminiumsulfatloesung aus einem aluminiumhydroxidschlamm Method and apparatus for the continuous synthesis of an aqueous aluminum sulfate spoon from a aluminiumhydroxidschlamm
05/24/1989DE3738778A1 Process for preparing aluminium fluoride trihydrate
05/23/1989CA1254392A1 Abrasive grits formed of ceramic containing oxides of aluminum, and yttrium, method of making and using the same and products made therewith
05/16/1989CA1254238A1 Process for durable sol-gel produced alumina-based ceramics, abrasive grain and abrasive products
05/11/1989DE3834907A1 Alumina tubes and process for their manufacture
05/10/1989EP0314855A2 Polymers containing hydroxamic acid groups for reduction of suspended solids in bayer process streams
05/09/1989US4829031 Seeding, diphasic xerogels
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