| Patents for C01G 49 - Compounds of iron (8,643) |
|---|
| 06/21/2001 | WO2001044114A1 Synthesis of transition-metal aluminates with high specific surfaces by crystallisation from alumosilicates containing transition metals |
| 06/19/2001 | US6248437 Medium with nonmagnetic aluminum-containing hematite particles in undercoat layer, having small light transmittance, smooth surface, high strength, high durability; suppresses deterioration due to corrosion of magnetic particles |
| 06/19/2001 | US6248302 Digestion, heating, dissolving water soluble salts, separation |
| 06/13/2001 | EP1106577A2 Method of preparation for iron oxide pigments |
| 06/13/2001 | EP1105889A1 High performance iron-rare earth-boron-refractory-cobalt nanocomposites |
| 06/12/2001 | US6245240 Contaminated with soluble manganese salt comprising adding an oxidising agent to convert salt to manganese dioxide, addition of manganese dioxide as seeding agent, seed particles are produced by reacting ferrous sulphate and potassiumm, iron |
| 06/07/2001 | WO2001041255A1 Microwave absorbing structure |
| 06/07/2001 | DE19958168A1 Verfahren zur Herstellung von Eisenoxidpigmenten A process for the production of iron oxide pigments |
| 06/07/2001 | CA2392379A1 Microwave absorbing structure |
| 06/06/2001 | CN1297968A Process for producing ferric oxide pigment |
| 06/05/2001 | CA2235716C Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis |
| 06/05/2001 | CA2081767C Formulations for iron oxides dissolution |
| 06/02/2001 | CA2326765A1 Process for producing iron oxide pigments |
| 05/30/2001 | CN1297424A Method for controlling intermodulation product of non-reciprocal circuit element |
| 05/23/2001 | EP1101736A1 Mn-Zn ferrite and production thereof |
| 05/23/2001 | EP1100747A1 Process for chlorine recovery |
| 05/23/2001 | DE10042611A1 Manganese zinc group ferrite for ferrite cores used in transformers of electric power unit, contains predetermined amount of oxides of iron, zinc, manganese, calcium, silicon and nickel |
| 05/17/2001 | WO2001035424A1 Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
| 05/16/2001 | EP1098843A1 Process for synthesizing metal oxides and metal oxides having a perovskite or perovskite-like crystal structure |
| 05/16/2001 | CN1065927C Electrochemical process for producing unsaturated hydrocarbon compounds from stauarated hydrocarbon compound |
| 05/16/2001 | CN1065836C Technology for preparing plane haxagon structural soft ferrimagnetics high activity superfine powder by gel method |
| 05/09/2001 | CN1294392A Compounded magnetic material and inductor component |
| 05/09/2001 | CN1294391A Compounded magnetic material and inductor component |
| 05/09/2001 | CN1294099A Nickel-Mn-Zn Series ferrite |
| 05/09/2001 | CN1294098A Ferrite cemented body |
| 05/08/2001 | US6228924 Calcium-iron oxide composite particles and resin molded product containing the same |
| 05/03/2001 | WO2001030701A1 Method of preparing metal containing compounds using hydrodynamic cavitation |
| 05/03/2001 | CA2389011A1 Method of preparing metal containing compounds using hydrodynamic cavitation |
| 05/02/2001 | EP1096514A2 Composite magnetic material and inductor element |
| 05/02/2001 | EP1096513A2 Composite magnetic material and inductor element |
| 05/02/2001 | EP1095916A2 Ferrite sintered compact |
| 05/02/2001 | CN1293169A Magnetic ferrite composition and its production method |
| 05/02/2001 | CN1065221C Method for producing chloro-free phosphorus potassium fertilizer and coproducing polymerized aluminum iron chloride |
| 04/26/2001 | WO2001028929A1 Method for production of iron oxide pigments |
| 04/26/2001 | WO2001028928A1 Method for the solid synthesis of ferrates of alkaline or alkaline earth metals and ferrates obtained according to this method |
| 04/26/2001 | WO2001028927A1 Stabilised mixed ferrates and synthesis method thereof |
| 04/25/2001 | CN1292355A Method for preparing solid ferric polysulfate by using oxidant |
| 04/19/2001 | DE10050369A1 Ferrite used in the production of transformers and inductance coils is based on nickel, manganese and zinc |
| 04/18/2001 | EP1093172A1 Positive electrode activator for lithium secondary battery and lithium secondary battery |
| 04/18/2001 | CN1291778A Ferrite raw material powder made by spraying pyrolysis method and making method of ferrimagnetics |
| 04/11/2001 | EP1090884A1 Method of making ferrite material powder by spray pyrolysis process and method of producing ferrite magnet |
| 04/10/2001 | CA2151967C Magnetic nanocomposite compositions and processes for the preparation and use thereof |
| 04/05/2001 | WO2001023628A1 Stable ferric arsenate precipitation from acid copper solutions whilst minimising copper losses |
| 04/04/2001 | EP0854765B1 Process for the production of ultrafine particles |
| 04/03/2001 | US6210598 Mn-Zn ferrite |
| 03/29/2001 | WO2001022440A1 Manganese-zinc ferrite |
| 03/27/2001 | US6207279 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium |
| 03/27/2001 | US6207253 Acicular hematite particle suitable as non-magnetic particles for a non-magnetic undercoat layer of a magnetic recording medium which exhibits a low light transmittance, an smoothe suraface and high strength |
| 03/27/2001 | CA2181166C Process for the treatment of metal-containing water and recovery of metals therefrom |
| 03/22/2001 | WO2001019752A1 Methods of making mesoporous metal oxide compositions and solid oxide fuel cells |
| 03/22/2001 | CA2384751A1 Methods of making mesoporous metal oxide compositions and solid oxide fuel cells |
| 03/21/2001 | EP1085506A1 Spindle-shaped goethite particles containing cobalt and process for producing the same |
| 03/21/2001 | CN1288573A Ferrite magnet powder and magnet using said powder and method for preparing same |
| 03/20/2001 | US6203821 Active water |
| 03/20/2001 | US6203774 Method for producing iron oxide powder using a particle size and shape controller |
| 03/20/2001 | US6203768 Process for the production of ultrafine particles |
| 03/14/2001 | EP1083614A2 Lithium intercalating material containing oxygen, sulfur and a transition metal, electrode structure and production process thereof, and secondary lithium battery |
| 03/14/2001 | EP1083153A1 Method for controlling intermodulation product of non-reciprocal circuit element |
| 03/14/2001 | CN1287577A Micronic pre-alloyed metal powder based on three dimensional transition metal |
| 03/14/2001 | CN1287576A Metal powders based on tungsten and/or molybdenum and three-dimension metals |
| 03/13/2001 | US6200493 Ferrite material which is much smaller in magnetic loss than conventional materials of same series and which has sufficient saturated magnetic flux density |
| 03/13/2001 | US6200376 Heat-resistant yellow pigment |
| 03/08/2001 | WO2001016969A1 Magnet powder and method for preparation thereof |
| 03/07/2001 | EP1080035A1 Particle size control in pyrohydrolysis of metal chlorides |
| 03/07/2001 | CN1286238A Mn-Zn based ferrite |
| 03/07/2001 | CN1062885C Coloured pigments based on oxide-nitrides, preparation and use thereof |
| 03/06/2001 | US6198119 Ferroelectric element and method of producing the same |
| 02/28/2001 | CN1062487C Electrocatalytic process for gas clean-up |
| 02/27/2001 | US6193904 Mixing separately precipitated ferrous dicarboxylate and a second metal dicarboxylate, calcining to form the ferrite powder for use in a microwave element |
| 02/22/2001 | DE19964168A1 Production of nanoscale ferrite powder with little agglomerate, useful for making hard magnetic material, involves spray drying fine droplets of dilute aqueous iron hydroxide suspension containing other elements and fast calcination |
| 02/21/2001 | CN1285071A Underlayer powder for coating-type magnetic recording media and process for producing the same |
| 02/14/2001 | EP1076267A1 Black magnetic toner and black magnetic composite particles therefor |
| 02/14/2001 | EP1076266A1 Black toner |
| 02/13/2001 | US6187218 Milling a precalcined mixture of an iron compound powder, nickel compound powder, copper compound powder, and zinc compound powder |
| 02/08/2001 | WO2001009039A1 Method and composition for scavenging sulphide in drilling fluids |
| 02/08/2001 | CA2379897A1 Method and composition for scavenging sulphide in drilling fluids |
| 02/07/2001 | EP1074980A1 Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles |
| 02/06/2001 | US6183868 Spindle-shaped goethite particles, spindle-shaped hematite particles and spindle-shaped magnetic iron based alloy particles |
| 02/06/2001 | US6183717 A vanadium oxide cluster compounds; use in automotive vehicle exhaust, photochemical conversion of water, synthesis of gasoline, cost-effective nitrogen fixation, preparation of food stuffs and drugs, and removal of urea from blood |
| 02/06/2001 | US6183658 Process for preparing agglomerate-free nanoscalar iron oxide particles with a hydrolysis resistant coating |
| 02/06/2001 | CA2231069C Method for preparing ammoxidation catalysts |
| 02/01/2001 | WO2000050345A3 Mineral oxide liquid concentrates for water and wastewater treatment |
| 01/30/2001 | US6180022 Mn-Zn ferrite |
| 01/30/2001 | US6179987 Method and apparatus to electrolytically produce high-purity magnetite particles |
| 01/30/2001 | US6179908 Iron oxide red pigments, process for the production of iron oxide red pigments and use thereof |
| 01/24/2001 | CN1061176C Electromechanical reactor for reacting oxygen-consuming gas with oxygen-containing gas |
| 01/17/2001 | CN1280373A Composition of high performance low-temperature sintered VHF laminated inductive material and its preparing method |
| 01/16/2001 | US6174453 High-density ferrite member and ferrite beads composition therefor |
| 01/11/2001 | WO2001002300A1 Method for making m-type hexaferrite powders or wafers |
| 01/10/2001 | EP1067095A1 A method for the manufacture of ferric sulfate solution and a water treatment agent using the same |
| 01/09/2001 | US6171692 Particle for lower layer of coating type magnetic recording medium |
| 01/03/2001 | EP1064227A1 METHOD FOR REPROCESSING WASTE ACID RESULTING FROM TiO 2? PRODUCTION |
| 01/03/2001 | EP1064226A1 METHOD FOR PRODUCING IRON OXIDE PIGMENTS FROM WASTE ACID RESULTING FROM TiO 2? PRODUCTION |
| 01/03/2001 | EP1064223A1 METHOD FOR REPROCESSING WASTE ACID RESULTING FROM TiO 2? PRODUCTION |
| 01/02/2001 | US6168888 For anode of lithium secondary batteries |
| 12/28/2000 | WO2000078673A1 Process for producing a lithium transition metal sulphide |
| 12/28/2000 | WO2000078671A1 A method of making particles of metal oxide having a large crystalline phase |
| 12/28/2000 | WO2000078403A1 Method for the decontamination of metallic surfaces |
| 12/26/2000 | US6165624 Article and method of producing a double oxide film |
| 12/21/2000 | WO2000076914A2 Process for the recovery of chlorine from iron chlorides |