Patents for C01F 5 - Compounds of magnesium (3,829)
08/1992
08/04/1992US5135756 Process for improving the physical and catalytic properties of a fluid cracking catalyst
07/1992
07/23/1992WO1992012391A1 Rotating tube heat treatment unit, in particular a rotating tubular kiln, with indirect heat feed or dissipation
07/22/1992EP0494933A1 Tetrathiocarbonate process
07/22/1992CN1062883A Comprehensive utilization of boron-magnesium mine
07/15/1992CN1062711A Particles of magnesium chloride with structure of polyhedron
07/07/1992US5128081 Vaporization, condensation, oxidation
06/1992
06/27/1992WO1992012097A1 Magnesium hydroxide having stacked layer, crystalline structure and process therefor
06/27/1992CA2096014A1 Magnesium hydroxide having stacked layer, crystalline structure and process therefor
06/16/1992CA1303327C Production of pure magnesium chloride solution from siliceous magnesiumminerals
06/11/1992WO1992009528A1 Method for preparing calcium and/or magnesium hydroxide, and use thereof
06/09/1992US5120514 Leaching raw materials with hydrogen chloride
06/03/1992EP0488856A1 Magnesium chloride particles having a polyhedral shape, catalytic composition supported on these particles, process for the preparation of these products and process for obtaining polyolefines using these catalytic compositions
06/02/1992US5118478 Extractrion process for removing and recovering metals from aqueous solutions
06/02/1992CA1302048C Process for the preparation of pure magnesium-oxide, especially suitablefor the preparation of fireproof objects
05/1992
05/12/1992US5112584 Leaching magnesite with hydrochloric acid
04/1992
04/21/1992US5106608 Coated with hydrophobic substance; for high density ceramics
04/02/1992WO1992005113A1 Treatment of magnesium hydroxide and its use as plastics filler
03/1992
03/25/1992EP0476709A2 Hydration-resistant magnesia powder and process for preparation thereof
03/11/1992EP0473762A1 Process for manufacturing fibrous magnesium oxide
03/11/1992CN2098499U Separating plate frame for calcium carbonate and magnesium acid carbonate
03/06/1992WO1992004111A1 Process for producing sintered magnesia
03/06/1992CA2090457A1 Process for producing sintered magnesia
02/1992
02/20/1992WO1992002299A1 Process for improving the physical and catalytic properties of fluid cracking catalysts
02/19/1992WO1992003375A1 Process for producing metal hydroxides with a small specific area
02/18/1992US5089155 Overbased magnesium sulphonate composition
01/1992
01/28/1992US5084255 Purification of flue gas by adding calcium sulfate and magnesi um compounds also adding calcium oxide and recovering gypsum
01/21/1992US5082646 Fibrous magnesium oxysulfate of granular form and a method of producing same
01/08/1992CN1057631A Production process of electro-smelting magnesite with low silicon content
12/1991
12/27/1991EP0462216A1 Process for improving the physical and catalytic properties of a fluid cracking catalyst
12/25/1991CN1057247A Technological process for refinement of magnesium oxide
12/25/1991CN1057208A Desulfurizing method of exhaust gas
12/25/1991CN1015164B Process for prodn. of magnesium sulphate, sodium chloride and potassium chloride
12/25/1991CN1015163B Method for prodn. magnesium chloride
12/11/1991EP0460923A2 Basic magnesium carbonate and process for preparation thereof
11/1991
11/12/1991US5064718 Precipitation in dipersant copolymer of acrylated polyether and acrylate monomer
10/1991
10/30/1991CN1055718A Productive method for magnesium oxide and calcium carbonate
10/30/1991CN1014508B Process for producing magnesium carbonate and/or magnesium oxide as well as porous silicon dioxide from serpentine
10/03/1991WO1991014659A1 Process for manufacturing fibrous magnesium oxide
10/02/1991EP0449673A1 Troncated cone-shaped magnesium chloride particles, catalytic component supported on those particles, polyolefins obtained from this catalytic component, process for the preparation of these products
10/01/1991US5053144 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry
09/1991
09/27/1991CA2020501A1 Process for the production of metal-oxide aerosols for fuel emissions control
09/25/1991EP0448156A1 Process for preparing magnesia having reduced hydration tendency, hydration resistant magnesia, dry mixture for preparing magnesia based castables and magnesia based castable
09/24/1991CA1289337C Process for removing gaseous sulfur compounds, such as sulfur dioxide, from the flue gases of a furnace
09/23/1991CA2056992A1 Process for preparing fibrous magnesium oxide
09/11/1991CN1054404A Magnesium chloride particles having structure of truncated cone, catalytic compositions supported on such particles, polyolefines obtained from such catalytic compositions and process for making such
09/04/1991EP0319560B1 Process for producing pure magnesium oxide
08/1991
08/16/1991CA2013704A1 Anti-deicing compositions, and method for their manufacture
08/13/1991US5039509 Process for the production of magnesium oxide
07/1991
07/23/1991CA1286478C Magnesium fluoride recovery method
07/17/1991CN1053045A Method for removing magnesium from sodium chloride solution
07/10/1991CN1052851A Tetrathiocarbonate process
06/1991
06/26/1991EP0434019A2 Process for removing sulfur dioxide from flue gases
06/25/1991CA1285118C Process for producing highly pure magnesium hydroxide
06/12/1991CN2078744U Carbide tower special adapted for preparation of magnesium oxide from magnesium limestone
06/04/1991US5021226 Hydrothermal reaction of an aqueous solution of magnesium sulfate and magnesium hydroxides or oxide; removings/spheres; dehydrating and delletizing
05/1991
05/22/1991EP0428389A2 Process for producing metal hydroxide sol
05/22/1991EP0427817A1 Finely powdered magnesium hydroxide and method for preparing it.
05/01/1991CN1051025A Processing magnesite with transformation method
04/1991
04/03/1991WO1991004944A1 Tetrathiocarbonate process
04/03/1991CN1050411A Comprechensive utilization of serpentine tailings
04/03/1991CA2067125A1 Tetrathiocarbonate process
03/1991
03/05/1991US4997871 Fibrous magnesium oxysulfate granular form and thermoplastic resin composition containing the magnesium oxysulfate
02/1991
02/26/1991US4996032 Process for removing sulfur dioxide from flue gases
02/12/1991CA1279976C Production of pure mgc12 solution suitable for the production of magnesium metal from an impure magnesite ore or concentrate
01/1991
01/22/1991US4987212 Some long-chain branches; density between 0.910 and 0.940
01/16/1991CN1048565A Process for production of magnesium chloride
01/09/1991EP0406446A1 Desulfurization of exhaust gas
01/02/1991EP0404867A1 Magnesium oxide in fine powder form and its use
01/01/1991US4981674 From magnesuim oxide, chlorine and carbon monoxide
12/1990
12/11/1990US4977024 Magnesia granule coated with silica or forsterite
11/1990
11/14/1990CN1046878A Finely powdery magnesium hydroxide and process for preparing thereof
11/14/1990CN1010403B Production method of synthetic carnallite
11/07/1990EP0396440A1 Process for the preparation of magnesite, its use in the preparation of magnesium fluoride and the obtained magnesium fluoride
11/06/1990WO1990013516A1 Finely powdered magnesium hydroxide and method for preparing it
11/06/1990CA1275783C Preparation of unagglomerated metal oxide particles with uniform particle size
10/1990
10/31/1990EP0395243A2 Inorganic particles
10/31/1990CN1046511A Process for preparation of magnesite, application in preparation of magnesium fluoride, and magnesium fluoride therefrom
10/27/1990CA2015454A1 Inorganic particles
10/18/1990DE3911880A1 Verfahren zur herstellung von periklas-einkristallen A process for producing single crystals of periclase
09/1990
09/20/1990WO1990010499A1 Process for improving the physical and catalytic properties of a fluid cracking catalyst
09/10/1990CA2011873A1 Process for improving the physical and catalytic properties of fluid cracking catalysts
08/1990
08/29/1990EP0384603A1 Process for the production of magnesium oxide
08/22/1990EP0180900B1 Process for the adjustment of the structure and/or surface characteristics of oxidized materials
08/07/1990US4946814 Adding an acid stable anionic fluoroarbon surfactant to slurry then spray drying
07/1990
07/31/1990US4944928 Process for producing pure magnesium oxide
07/26/1990WO1990007972A1 Desulfurization of exhaust gas
07/24/1990US4943426 Method for regulating reaction temperature
07/24/1990US4943301 Aliphatic alcohol or ketone
07/19/1990DE3939236A1 Verfahren zur herstellung eines mittels zur bodenmelioration sowie dessen verwendung Process for the preparation of a land improvement by means of and its use
07/17/1990US4941916 Sublimation
07/14/1990WO1990008115A1 Process for producing a soil-conditioning agent
07/14/1990CA2049051A1 Process for producing a soil-conditioning agent
06/1990
06/26/1990US4937219 Oxidation or reduction catalyst, inflammable gas sensor
06/26/1990US4937056 Process for obtaining high purity magnesium compounds from magnesium containing materials
06/13/1990CN1042884A Production process of boric acid and magnesium chloride directly from boromagnesite by hydrochloric acid salting out process
05/1990
05/30/1990EP0370728A1 High-dispersibility magnesium oxide and process for the production thereof
05/23/1990EP0368919A1 Method for the multistage, waste-free processing of red mud to recover basic materials of chemical industry
05/09/1990CN1007892B Method for producing magnesium sulfoate fertilizer from the raw material of magnetsite
05/02/1990CN1041740A Process for producing magnesium carbonate and/or magnesium oxide as well as porous silicon dioxide from serpentine
04/1990
04/25/1990EP0365347A1 High-activity and high-dispersibility magnesium hydroxide and process for the production thereof
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