C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS metal hydrides monoborane, diborane or addition complexes thereof C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts of peroxyacids C01B15/00; sulfides or polysulfides of magnesium, calcium, strontium, or barium C01B17/42; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; compounds other than ammonia or cyanogen containing nitrogen and non-metals and optionally metals C01B21/082; amides or imides of silicon C01B21/087; metal imides or amides C01B21/092, C01B21/0923; nitrites C01B21/50; compounds of noble gases C01B23/0005; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanic acid C01C3/14; salts of cyanamide C01C3/16; thiocyanates C01C3/20; double sulfates of magnesium with sodium or potassium C01D5/12; with other alkali metals C01D15/00, C01D17/00 C01F1/00 C01F1/00Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general C01F3/00Compounds of beryllium C01F3/005Fluorides or double fluorides of beryllium with alkali metals or ammonium; Preparation of beryllium compounds therefrom C01F3/02OxidesHydroxides C01F5/00Compounds of magnesium C01F5/02Magnesia C01F5/04by oxidation of metallic magnesium C01F5/06by thermal decomposition of magnesium compounds calcining magnesite or dolomite C04B2/10 C01F5/08by calcining magnesium hydroxide C01F5/10by thermal decomposition of magnesium chloride with water vapour C01F5/12by thermal decomposition of magnesium sulfate, with or without reduction C01F5/14Magnesium hydroxide C01F5/145Purification C01F5/16by treating magnesia, e.g. calcined dolomite, with water or solutions of salts not containing magnesium C01F5/20by precipitation from solutions of magnesium salts with ammonia C01F5/22from magnesium compounds with alkali hydroxides or alkaline- earth oxides or hydroxides C01F5/24Magnesium carbonates C01F5/26Magnesium halides C01F5/28Fluorides C01F5/30Chlorides C01F5/305Dehydrating ammonium or alkali magnesium chlorides, e.g. carnalite C01F5/32Preparation of anhydrous magnesium chloride by chlorinating magnesium compounds C01F5/34Dehydrating magnesium chloride containing water of crystallisation C01F5/36Bromides C01F5/38Magnesium nitrates C01F5/40Magnesium sulfates double sulfates of magnesium with sodium or potassium C01D5/12, with other alkali metals C01D15/00, C01D17/00 C01F5/42Magnesium sulfites C01F7/00Compounds of aluminium C01F7/02Aluminium oxideAluminium hydroxideAluminates C01F7/021After-treatment of oxides or hydroxides C01F7/022Classification C01F7/023Grinding, deagglomeration or disintegration C01F7/025Granulation or agglomeration C01F7/026Making or stabilising dispersions C01F7/027Treatment involving fusion or vaporisation C01F7/028Beta-aluminas C01F7/04Preparation of alkali metal aluminatesAluminium oxide or hydroxide therefrom C01F7/028 takes precedence C01F7/043Lithium aluminates C01F7/046Stabilisation of aluminates C01F7/06by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process obtaining aluminium oxide or hydroxide from the resulting aluminate solution C01F7/14 C01F7/0606Making-up the alkali hydroxide solution from recycled spent liquor C01F7/0613Pretreatment of the minerals, e.g. grinding C01F7/062Digestion C01F7/0626Processes making use of tube digestion only C01F7/0633characterised by the use of additives C01F7/064Apparatus for digestion, e.g. digestor vessels or heat exchangers C01F7/0646Separation of the insoluble residue, e.g. of red mud C01F7/0653characterised by the flocculant added to the slurry final clarification of the aluminate solution C01F7/47 C01F7/066Treatment of the separated residue C01F7/0666Process control or regulation C01F7/0673from phosphate-containing minerals C01F7/068from carbonate-containing minerals, e.g. dawsonite C01F7/0686from sulfate-containing minerals, e.g. alunite C01F7/0693from waste-like raw materials, e.g. fly ash or Bayer calcination dust C01F7/08by treating aluminous minerals with sodium carbonate, e.g. sinter processes C01F7/0613, C01F7/066 take precedence C01F7/085according to the lime-sinter process C01F7/10by treating aluminous minerals with alkali sulfates and reducing agents C01F7/12Alkali metal aluminates from alkaline-earth metal aluminates C01F7/14Aluminium oxide or hydroxide from alkali metal aluminates C01F7/141from aqueous aluminate solutions by neutralisation with an acidic agent C01F7/142with carbon dioxide C01F7/144from aqueous aluminate solutions by precipitation due to cooling, e.g. as part of the Bayer process C01F7/145characterised by the use of a crystal growth modifying agent other than aluminium hydroxide seed C01F7/147Apparatus for precipitation C01F7/148Separation of the obtained hydroxide, e.g. by filtration or dewatering C01F7/16Preparation of alkaline-earth metal aluminates or magnesium aluminatesAluminium oxide or hydroxide therefrom C01F7/028 takes precedence C01F7/162Magnesium aluminates C01F7/164Calcium aluminates C01F7/166Strontium aluminates C01F7/168Barium aluminates C01F7/18Aluminium oxide or hydroxide from alkaline earth metal aluminates C01F7/20Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts C01F7/22with halides or halogen acids C01F7/24with nitric acid or nitrogen oxides C01F7/26with sulfuric acids or sulfates C01F7/28with sulfurous acid C01F7/30Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds C01F7/302Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase C01F7/304of organic aluminium compounds C01F7/306Thermal decomposition of hydrated chlorides, e.g. of aluminium trichloride hexahydrate C01F7/308Thermal decomposition of nitrates C01F7/32Thermal decomposition of sulfates including complex sulfates, e.g. alums C01F7/34Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts C01F7/36from organic aluminium salts C01F7/38Preparation of aluminium oxide by thermal reduction of aluminous minerals C01F7/40in the presence of aluminium sulfide C01F7/42Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation C01F7/422by oxidation with a gaseous oxidator at a high temperature C01F7/424using a plasma C01F7/426by applying mechanical energy to solid aluminium at a low temperature C01F7/428by oxidation in an aqueous solution C01F7/44Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water C01F7/441by calcination C01F7/442in presence of a calcination additive C01F7/444Apparatus therefor C01F7/445making use of a fluidised bed C01F7/447by wet processes C01F7/448using superatmospheric pressure, e.g. hydrothermal conversion of gibbsite into boehmite C01F7/46Purification of aluminium oxide, aluminium hydroxide or aluminates C01F7/028 takes precedence C01F7/47of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors C01F7/473Removal of organic compounds, e.g. sodium oxalate C01F7/476by oxidation C01F7/48Halides, with or without other cations besides aluminium C01F7/50Fluorides C01F7/52Double compounds containing both fluorine and other halide groups C01F7/54Double compounds containing both aluminium and alkali metals or alkaline-earth metals C01F7/56Chlorides containing fluorine C01F7/52Group C01F7/56 is impacted by reclassification into group C01F7/57.
Groups C01F7/56 and C01F7/57 should be considered in order to perform a complete search. C01F7/57Basic aluminium chlorides, e.g. polyaluminium chloridesGroup C01F7/57 is incomplete pending reclassification of documents from group C01F7/56.
Groups C01F7/56 and C01F7/57 should be considered in order to perform a complete search. C01F7/58Preparation of anhydrous aluminium chloride C01F7/60from oxygen-containing aluminium compounds C01F7/62Purification C01F7/64Bromides containing fluorine C01F7/52 C01F7/66Nitrates, with or without other cations besides aluminium C01F7/68Aluminium compounds containing sulfur C01F7/70Sulfides C01F7/72Sulfites C01F7/74Sulfates C01F7/741Preparation from elemental aluminium or elemental aluminium containing materials, e.g. foil or dross C01F7/743Preparation from silicoaluminious materials, e.g. clays or bauxite C01F7/745Preparation from alums, e.g. alunite C01F7/746After-treatment, e.g. dehydration or stabilisation C01F7/748Purification C01F7/76Double salts, i.e. compounds containing, besides aluminium and sulfate ions, only other cations, e.g. alums C01F7/762Ammonium or alkali metal aluminium sulfates C01F7/765Ammonium aluminium sulfates C01F7/767Alkaline earth metal aluminium sulfates C01F7/77Aluminium carbonates C01F7/78Compounds containing aluminium and two or more other elements, with the exception of oxygen and hydrogen aluminates C01F7/02; compounds containing aluminium, fluorine and alkali or alkaline earth metals C01F7/54; nitrates containing other cations besides aluminium C01F7/66; sulfides, sulfites or sulfates containing other cations besides aluminium C01F7/70 - C01F7/74Group C01F7/78 is impacted by reclassification into group C01F7/784.
Groups C01F7/78 and C01F7/784 should be considered in order to perform a complete search. C01F7/782containing carbonate ions, e.g. dawsoniteGroup C01F7/782 is impacted by reclassification into group C01F7/784.
Groups C01F7/782 and C01F7/784 should be considered in order to perform a complete search. C01F7/784Layered double hydroxide, e.g. comprising nitrate, sulfate or carbonate ions as intercalating anionsGroup C01F7/784 is incomplete pending reclassification of documents from groups C01F7/78 and C01F7/782.
Groups C01F7/78, C01F7/782 and C01F7/784 should be considered in order to perform a complete search. C01F7/785Hydrotalcite C01F7/786containing, besides aluminium, only anions, e.g. Al[OH]_xCl_y[SO₄]_z mixed halides C01F7/48 C01F7/788Ammonium aluminium fluorides, e.g. ammonium hexafluoroaluminate C01F11/00Compounds of calcium, strontium, or barium C01F7/00 takes precedence C01F11/005Preparation involving liquid-liquid extraction, absorption or ion-exchange C01F11/02Oxides or hydroxides production of lime C04B2/00 C01F11/04by thermal decomposition C01F11/06of carbonates C01F11/08by reduction of sulfates C01F11/10from sulfides C01F11/12from silicates C01F11/16Purification C01F11/18Carbonates C01F11/181Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions C01F11/182Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO₃-seeds C01F11/183the additive being an organic compound C01F11/184Preparation of calcium carbonate by carbonation of solutions based on non-aqueous solvents C01F11/185After-treatment, e.g. grinding, purification, conversion of crystal morphology C01F11/186Strontium or barium carbonate C01F11/187Strontium carbonate C01F11/188Barium carbonate C01F11/20Halides C01F11/22Fluorides C01F11/24Chlorides C01F11/26from sulfides C01F11/28by chlorination of alkaline-earth metal compounds C01F11/30ConcentratingDehydratingPreventing the adsorption of moisture or caking C01F11/32Purification C01F11/34Bromides C01F11/36Nitrates C01F11/38Preparation with nitric acid or nitrogen oxides C01F11/40Preparation by double decomposition with nitrates C01F11/42Double salts with magnesium C01F5/38 C01F11/44ConcentratingCrystallisatingDehydratingPreventing the absorption of moisture or caking C01F11/46Sulfates dehydration of gypsum for the production of calcium sulfate cements C04B11/02 C01F11/462Sulfates of Sr or Ba C01F11/464Sulfates of Ca from gases containing sulfur oxides C01F11/466Conversion of one form of calcium sulfate to another C01F11/468Purification of calcium sulfates C01F11/48Sulfites C01F13/00Compounds of radium C01F15/00Compounds of thorium C01F17/00Compounds of rare earth metalsIn this group, the following expression is used with the meaning indicated; "rare earth metals" means elements from the group of the lanthanides as well as scandium or yttrium, taken alone or in combination.When classifying a compound in groups C01F17/20 - C01F17/38, then its specific preparation or treatment must also be classified in groups C01F17/10 - C01F17/17 as long as the compound is characterised by its preparation or treatment and vice versa. C01F17/10Preparation or treatment, e.g. separation or purification C01F17/13by using ion exchange resins, e.g. chelate resins C01F17/17involving a liquid-liquid extraction C01F17/20Compounds containing only rare earth metals as the metal element C01F17/206oxide or hydroxide being the only anion C01F17/212Scandium oxides or hydroxides C01F17/218Yttrium oxides or hydroxides C01F17/224Oxides or hydroxides of lanthanides C01F17/229Lanthanum oxides or hydroxides C01F17/235Cerium oxides or hydroxides C01F17/241containing two or more rare earth metals, e.g. NdPrO₃ or LaNdPrO₃ C01F17/247Carbonates C01F17/253Halides C01F17/259Oxyhalides C01F17/265Fluorides C01F17/271Chlorides C01F17/276Nitrates C01F17/282Sulfates C01F17/288Sulfides C01F17/294Oxysulfides C01F17/30Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La₄S₃Br₆ C01F17/247 - C01F17/294 take precedence C01F17/32oxide or hydroxide being the only anion, e.g. NaCeO₂ or Mg_xCa_yEuO C01F17/34Aluminates, e.g. YAlO₃ or Y_3-xGd_xAl₅O₁₂ C01F17/36halogen being the only anion, e.g. NaYF₄ C01F17/38sulfur being the only anion, e.g. CaLa₂S₄