| Patents for C01G 49 - Compounds of iron (8,643) |
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| 02/20/1997 | CA2228562A1 A method of preparing inorganic pigments, inorganic pigments obtained thereby, and an installation for implementing such a method |
| 02/19/1997 | EP0758786A1 Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium |
| 02/19/1997 | EP0758683A1 A method of increasing the bulk density of iron oxide power |
| 02/19/1997 | EP0758670A2 Iron containing bismuth vanadate pigments |
| 02/19/1997 | CN1143049A Technology for producing gulf red oxide by wet process |
| 02/18/1997 | US5603839 Process for the recovery of waste sulphuric acid |
| 02/13/1997 | CA2183100A1 Ferriferous bismuth vanadate pigments |
| 02/04/1997 | US5599511 Confinement zone; burners; delivery system for carrying aerosols to flame zone to induce combustion and either vaporization and nucleation or diffusion and oxidation |
| 01/28/1997 | US5597547 Mixing with hydrated (yellow) iron oxide, heating to drive off water and chloride |
| 01/23/1997 | DE19628845A1 Acicular goethite particle prodn. |
| 01/23/1997 | DE19627011A1 Octahedric and cubic magnetite particles suitable for use as toners |
| 01/22/1997 | CN1140702A Non-magnetic substrate material and slider assembly for use in flying type magnetic head |
| 01/21/1997 | US5595850 Manganese-magnesium ferrite |
| 01/16/1997 | WO1997001510A1 Process for the realization of endothermic reactions for the thermal decomposition of solids, producing gases and solid residues |
| 01/14/1997 | US5593612 U, W, X, Y and Z-type ferrites |
| 01/08/1997 | CN1139648A Preparation method for ultra thin hexagonal crystal system ferrite |
| 01/07/1997 | US5591418 Process for removing sulfur oxides or nitrogen oxides from a gaseous mixture |
| 01/07/1997 | US5591315 Solid-component membranes electrochemical reactor components electrochemical reactors use of membranes reactor components and reactor for oxidation reactions |
| 01/02/1997 | EP0750589A1 Reduction of residual chloride content in iron oxides |
| 12/31/1996 | US5589097 Roasting ferrous chloride in steam and pyrolysis to form magnetite magnetic powder |
| 12/31/1996 | US5589096 Magnetic material for high frequencies |
| 12/31/1996 | CA2007974C Liquid oxidizing method and apparatus |
| 12/27/1996 | EP0749402A1 Preparations and uses of polyferric sulphate |
| 12/24/1996 | US5587142 Synergistic effect |
| 12/18/1996 | EP0655984B1 Preparation of nanophase solid state materials |
| 12/18/1996 | CN1138009A Method for production of ferrous sulfate and ferrous ammonium sulfate |
| 12/17/1996 | US5585080 Oxidizing iron(ii) chloride; liquid-liquid extraction; stripping; evaporation; precipitation |
| 12/17/1996 | US5585079 Dissolving zinc ferrite and zinc oxide in sulfuric acid without dissolving the zinc silicate, reducing silicate residue with coal in furnace to produce iron silicate slag |
| 12/11/1996 | CN1137487A Metal hydroxide and oxide solid solutions having high aspect ratios and their processes for production |
| 12/05/1996 | DE19615800A1 Stable lithium manganate-type active material |
| 12/04/1996 | EP0745560A1 Magnesium hydroxide solid solutions, their production method and use |
| 12/04/1996 | CN1137024A Magnesium hydroxide solid solution, their production and use |
| 12/03/1996 | CA2087667C Device to reduce vesicules driving in hydrogen stream |
| 11/28/1996 | WO1996037296A1 Iron sulfides and process for producing the same |
| 11/27/1996 | EP0680454B1 Process for producing nanoscale ceramic powders |
| 11/27/1996 | CN1136535A Products of poly aluminium-ferrous chloride and polymerized aluminium-ferrous sulfate and technology |
| 11/26/1996 | US5578670 Magnetic powder for bonded magnets, composition for bonded magnets and method for preparing the composition |
| 11/26/1996 | US5578375 Inorganic pigment |
| 11/26/1996 | US5578286 Reacting magnesium compound and alumina to form meixnerite intermediate; reacting with di- or polycarboxylate |
| 11/20/1996 | EP0743692A1 A material for use in the positive electrodes of lithium batteries, its manufacture, and lithium batteries incorporating this material |
| 11/20/1996 | EP0743284A1 Paste for manufacturing ferrite and ferrite |
| 11/20/1996 | EP0742783A1 Process of preparing ferric sulfate |
| 11/19/1996 | US5576114 High density magnetic recording medium containing hexagonal system ferrite powder |
| 11/12/1996 | US5573603 Mixing powders with glass powders, compression and heating in neutral atmosphere |
| 11/06/1996 | EP0665817A4 Oxide particles and method for producing them. |
| 11/05/1996 | US5571526 Composite metal hydroxide and its use |
| 10/30/1996 | EP0739543A1 Perovskite electrodes and high temperature fuel cells fitted therewith |
| 10/30/1996 | EP0608325A4 Coal cleaning process. |
| 10/30/1996 | CN1033159C Process for producing nanometer material of carburetted steel |
| 10/29/1996 | US5569445 Neutralizing aqueous solution of ferric salt and an alkaline solution to provide suspension of ferric hydroxide, washing, adding crystal growth control agent and subjecting to hydrothermal reaction |
| 10/24/1996 | WO1996033133A1 Method for treating ferrous sulphate |
| 10/23/1996 | CN1133822A Process for preparation of ferric chloride in aqueous solution |
| 10/23/1996 | CN1133820A Composite oxide having oxygen absorbing and desorbing capability and method for preparing same |
| 10/17/1996 | WO1996032355A1 Reduction of residual chloride in iron oxides |
| 10/16/1996 | EP0737711A1 Ultraviolet protective agent |
| 10/16/1996 | EP0737167A1 Process for the preparation of a sulfate- and hydroxide-based ferric compound |
| 10/15/1996 | US5565688 Method for preparing an active substance of lithium secondary cells |
| 10/09/1996 | EP0654013B1 Process for the preparation of ferric chloride |
| 10/09/1996 | EP0486676B1 PROCESS USING SORBENTS FOR THE REMOVAL OF SOx FROM FLUE GAS AND OTHER GAS STREAMS |
| 10/02/1996 | EP0275285B1 Biodegradable superparamagnetic materials used in clinical applications |
| 10/02/1996 | CN1132182A Process for thermal treatment of iron oxides in circulating fluidised bed |
| 09/26/1996 | WO1996029288A1 Method of producing alpha-hematite hydrate from galvanising sludge |
| 09/18/1996 | EP0732302A1 Metal hydroxide and oxide solid solution having high aspect ratios and processes for their production |
| 09/12/1996 | WO1996027556A1 Purification of metal containing solutions |
| 09/11/1996 | EP0731060A1 Ferroelectric perovskites |
| 09/04/1996 | EP0729436A1 Photoassisted oxidation of species in solution |
| 09/03/1996 | US5552099 Process for pelletising particles of alkali metal ferrite |
| 08/28/1996 | EP0728702A1 Lithium iron oxide, synthesis of the same, and lithium cell utilizing the same |
| 08/28/1996 | CN1129673A Process for producing high grade iron oxide red from limonite |
| 08/21/1996 | EP0726878A1 Process for making goethite |
| 08/20/1996 | US5547637 Production of concentrated aqueous solutions of ferric chloride |
| 08/13/1996 | US5545385 Combusting liquor in fluidized bed furnace to produce alkalimetal ferrite particles, mixing cooled particles with aqueous solution of alkali metal hydroxide |
| 08/13/1996 | US5545264 Placing metal, chlorine hydrocarbon, water in hermetically sealed tank, generating gas which permeates open areas of crystal cells to dissolve and remove impurities and form indissoluble film of anticorrosive rust |
| 08/07/1996 | EP0724546A1 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 08/06/1996 | US5543070 Composite oxide |
| 08/06/1996 | US5543069 Acicular or plate-like magnetic particles, oxide or hydroxieof aluminum and/or silicon adhered to surface of particles |
| 07/31/1996 | EP0723935A1 Process for the preparation of an aqueous solution of iron III chloride |
| 07/27/1996 | CA2168073A1 Process for preparing a solution of ferric chloride in water |
| 07/24/1996 | EP0722992A1 Surface modified pyrogenic mixed oxide, process for its preparation and its use |
| 07/23/1996 | US5539135 Reaction of fatty acid with hydrotalcite and other minerals, catalyst for the addition of ethylene and propylene oxides to active hydrogen compounds |
| 07/23/1996 | US5538657 Method of producing ferrite magnet |
| 07/23/1996 | US5538552 Waste treatment process |
| 07/10/1996 | CN1126526A Doped magnetic iron oxide particles and method of preparing the same |
| 07/03/1996 | EP0719731A1 Process for the thermal treatment of iron oxides in a circulating fluid bed |
| 07/03/1996 | CN1125779A Method of and apparatus for processing metal material |
| 07/02/1996 | US5531977 Process for producing acicular γ-FeOOH particles |
| 06/26/1996 | CN1125196A Producing iron oxide yellow (red) by using non-scale method containing iron offscum |
| 06/20/1996 | WO1996018457A1 Restructured iron oxide |
| 06/19/1996 | EP0717397A2 Spindle-shaped magnetic ironbased alloy particles containing cobalt and iron as the main ingredients and process for producing the same |
| 06/18/1996 | US5527515 Apparatus for reacting chlorine with ferrous chloride in the presence of recycled solution of ferric chloride |
| 06/12/1996 | EP0716431A1 Acicular magnetic iron oxide particles and process for producing the same |
| 06/12/1996 | EP0716162A1 Ferroelectric thin film, ferroelectric thin film covering substrate and manufacturing method of ferroelectric thin film |
| 06/11/1996 | US5524836 Method for producing powder from polycrystalline inorganic material |
| 06/05/1996 | EP0526661B1 Magnetic powder for magnetic recording and magnetic recording medium made thereof |
| 06/04/1996 | US5523065 Forming droplets of ceramic precursor mixture containing barium and titanium compounds, nitrogen containing fuel, solvent, removing solvent, heating in carbon dioxide-free atmosphere to react in explosive manner |
| 05/21/1996 | US5518849 Cores of alkali metal ferrites for electrical resistance and carriers |
| 05/15/1996 | DE4435117C1 Ternäre Lithium-Mischoxide, Verfahren zu deren Herstellung sowie deren Verwendung Ternary mixed lithium oxides, process for their preparation and their use |
| 05/09/1996 | WO1996013461A1 Method of producing magnetic iron oxide |
| 05/08/1996 | CN1121944A Coloured pigments based on oxide-nitrides, the preparation and use thereof |
| 05/07/1996 | US5514361 Magnesium aluminum hydroxide hydrates, reduced carbonate contamination |