Patents for C01G 49 - Compounds of iron (8,643) |
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03/28/2002 | WO2000076914A3 Process for the recovery of chlorine from iron chlorides |
03/28/2002 | US20020036472 Induction coil core, illumination unit using the same, and polycrystalline ferrite |
03/28/2002 | DE10046876A1 Purification of iron oxide useful e.g. for production of catalysts for dehydrogenation of ethylbenzene to styrene, comprises mixing iron oxide with water or acid and thermal treatment |
03/27/2002 | EP1191518A1 Magnetic recording medium, non-magnetic acicular composite particels and process for producing the particles |
03/27/2002 | EP1190988A2 Bismuth-containing laser markable compositions and methods of making and using same |
03/21/2002 | WO2002022920A1 Rare earth-iron garnet single crystal material and method for preparation thereof and device using rare earth-iron garnet single crystal material |
03/21/2002 | US20020035035 Stable, highly active perovskite catalysts for complete oxidation at high temperatures, and the process for their preparation |
03/21/2002 | US20020034469 Acidification; heat treatment |
03/21/2002 | US20020033118 Containing iron, cobalt, aluminum |
03/21/2002 | DE10044398A1 Production of iron oxide yellow pigment, used in building material, plastics, paper, color or for producing heterogeneous catalyst e.g. for ethylbenzene dehydrogenation, comprises seeding pre-precipitated iron-II chloride and oxidation |
03/21/2002 | DE10044397A1 Magnetite und deren Verwendung bei der Herstellung von Tonern Magnetites, and their use in the preparation of toners |
03/20/2002 | EP1187790A1 Process for producing a lithium transition metal sulphide |
03/20/2002 | CN1340744A Organic toner containing magnetite particles |
03/19/2002 | US6358432 For use in the electronic parts for high-frequency applications |
03/14/2002 | WO2002020856A1 Manufacturing method for zinc sulfate, manganese sulfate and ferrous sulfate |
03/14/2002 | WO2002020675A1 Method for producing iron oxide yellow pigments |
03/14/2002 | WO2002020673A1 Method for producing an iron oxide nucleus containing aluminium |
03/14/2002 | WO2002020409A1 Magnetites that are low in silicon |
03/14/2002 | WO2001074484A3 Transition metal carbides, nitrides and borides and their oxygen containing analogs useful as water gas shift catalysts |
03/14/2002 | US20020032119 Adsorbent for nitrogen oxides and its treatment method |
03/14/2002 | US20020031666 Coercive force; dispersion; oxidation resistance |
03/14/2002 | DE10043492A1 Verwendung von Magnetteilchen und Verfahren zu deren Herstellung The use of magnetic particles and methods for their preparation |
03/14/2002 | CA2421290A1 Method for producing iron oxide yellow pigments |
03/14/2002 | CA2421189A1 Method for producing an iron oxide nucleus containing aluminium |
03/13/2002 | CN1339847A High frequency magnetic material and high frequency circuit element |
03/07/2002 | US20020028353 Acicular hematite particles; storage stability |
03/06/2002 | EP1184340A2 Use of magnetite particles |
03/05/2002 | US6352650 Manganese-zinc ferrite and making method |
03/05/2002 | US6352599 Bonded magnet |
03/01/2002 | CA2356047A1 Toner containing magnetite particles |
02/28/2002 | WO2002016268A1 Ferrite material |
02/28/2002 | WO2002016015A1 Mixed conducting membranes for syngas production |
02/28/2002 | US20020024752 Optical power limiting material |
02/26/2002 | US6350505 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium |
02/21/2002 | WO2002014221A1 Process and apparatus for post-treatment of iron oxide |
02/21/2002 | US20020022152 Controlling particle sizes; materials handling |
02/21/2002 | US20020022111 Laminar structure overcoating substartes |
02/20/2002 | EP1180811A2 Non-aqueous electrolyte secondary cell |
02/20/2002 | CN1336327A Process of producing high-purity magnetic iron oxide with ferous sulfate as by-product of titanium white production |
02/20/2002 | CN1079373C Magnesium hydroxide solid solution, their prodn. and use |
02/14/2002 | US20020017628 Controlling particle size, magnetism |
02/14/2002 | DE10037636A1 Purification of iron oxide useful e.g. for production of catalysts for dehydrogenation of ethylbenzene to styrene, comprises mixing iron oxide with water or acid and thermal treatment |
02/13/2002 | EP1179507A1 White powder and method for production thereof |
02/13/2002 | CN1335997A Ferrite magnet powder and magnet using the magnet powder, and method for preparing them |
02/13/2002 | CN1335283A Monocrystalline ferrite fines |
02/13/2002 | CN1335265A Iron oxide black extracting process from slag produced in hydroquinol preparing aniline process |
02/12/2002 | US6346348 Rechargeable lithium battery with a lithium molybdenum oxide electrode |
02/07/2002 | WO2002010068A1 Production of metal oxides |
02/07/2002 | WO2002009876A1 Photocatalytic film of iron oxide, electrode with such a photocatalytic film, method of producing such films, photoelectrochemical cell with the electrode and photoelectrochemical system with the cell, for the cleavage of water into hydrogen and oxygen |
02/07/2002 | US20020014182 For use in electrical devices, magnetic devices, optical devices, biomedical devices, and electrochemical devices |
02/06/2002 | EP1178012A2 Highly refined iron oxides |
02/05/2002 | CA2032994C Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
01/31/2002 | US20020013221 Water gas shift catalysts for use in producing hydrogen for chemical processing and petroleum refining, and reducing the carbon monoxide content of feeds to fuel cells; highly active, durable, and sulfur tolerant catalyst |
01/31/2002 | US20020012842 Nonaqueous electrolytes |
01/30/2002 | EP1175938A1 Photocatalytic film of iron oxide, electrode with such a photocatalytic film, method of producing such films, photoelectrochemical cell with the electrode and photoelectrochemical system with the cell, for the cleavage of water into hydrogen and oxygen |
01/30/2002 | CN1333184A Method for extracting ferri oxide pigment from by-products. produced by preparing hydroquinone with aniline method |
01/24/2002 | WO2002006160A2 Methods of synthesizing an oxidant and applications thereof |
01/24/2002 | US20020009642 Positive active material for secondary battery, process for preparation thereof and non-aqueous secondary battery comprising same |
01/24/2002 | US20020009414 Nanostructure |
01/24/2002 | US20020009413 Firing, cooling in nitrogen environment |
01/24/2002 | US20020009405 Doubly doped lithium niobate crystals |
01/23/2002 | EP0888545B1 Super-paramagnetic particles with increased r 1 relaxivity, processes for producing said particles and use thereof |
01/17/2002 | US20020005210 Low temperature; salt formation |
01/16/2002 | EP1172706A1 Non-magnetic particles for black toner and black toner using the same |
01/10/2002 | WO2002002833A2 Preparation of pure ferric chloride from hydrochloric acid solutions by solvent extraction |
01/09/2002 | EP1170757A2 Single-crystal ferrite fine powder |
01/09/2002 | EP1169268A2 Mineral oxide liquid concentrates for water and wastewater treatment |
01/09/2002 | CN1330258A Rotary kiln for preparing high-grade ferrite micropowder |
01/02/2002 | EP1166289A1 Soft magnetic powder and composite magnetic material using the same |
01/02/2002 | CN1329371A Secondary battery positive pole active material, its preparing method and waterless secondary battery containing said material |
01/02/2002 | CN1329184A Bismuth-substituted garnets thick film material and producing method thereof |
01/02/2002 | CN1328979A Powder for ferrite megnet and its manufacturing technology |
12/27/2001 | US20010055557 Tin-containing granular magnetic oxide particles and process for producing the same |
12/27/2001 | US20010054549 Precursors continuously added to a tube-type reactor by a slurry pump, while the reactor is simultaneously subject to microwave energy. |
12/25/2001 | US6332968 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
12/20/2001 | WO2001096502A1 Fuel modifier |
12/20/2001 | US20010052828 Material for bismuth substituted garnet thick film and a manufacturing method thereof |
12/19/2001 | EP1164649A1 Positive active material for secondary battery, process for preparation thereof and non-aqueous secondary battery comprising same |
12/19/2001 | EP1164582A2 Secondary agglomerates of magnetic metal particles for magnetic recording and process for producing the same |
12/19/2001 | EP1164581A2 Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the same |
12/13/2001 | US20010051129 Spindle-shaped goethite particles and process for producing the same |
12/13/2001 | US20010051121 Process for treating alumina-bearing ores to recover metal values therefrom |
12/13/2001 | DE10114951A1 Production of a manganese-zinc ferrite used as cores in network transformers in telecommunications comprises a maximum temperature holding step for combustion, and a cooling step carried out in a nitrogen atmosphere |
12/12/2001 | EP1162635A1 Material for bismuth substituted garnet thick film and a manufacturing method thereof |
12/12/2001 | CN1076106C Magnetic colour toning agent |
12/11/2001 | US6328943 Contacting iron sulfides and/or precursors thereof in the presence of air with an effective inhibiting amount of a treatment compound selected from amine, alcohol, ketone, or mixtures |
12/06/2001 | WO2001092148A1 Method for producing fine-grained solids and/or for depositing layers of poorly soluble compounds |
12/06/2001 | DE10027623A1 Verfahren zur Herstellung von feinkristallinen Feststoffen und/oder zur Abscheidung von Schichten schwerlöslicher Verbindungen Process for the preparation of finely crystalline solids and / or for depositing layers of poorly soluble compounds |
12/06/2001 | CA2349871A1 Material for bismuth substituted garnet thick film and a manufacturing method thereof |
12/04/2001 | US6325988 Prepared from manganese complex hydroxide |
11/29/2001 | US20010046628 Comprising lithium mixed oxide particles coated with at least one layer of a mixture of an alkali metal compound and a metal oxide; chemical resistance, acid resistance; for use as cathode in electrochemical cells |
11/29/2001 | US20010045541 For cores in broad-band transformers |
11/28/2001 | EP1158546A1 Tin-containing granular magnetic oxide particles and process for producing the same |
11/28/2001 | EP1080035B1 Particle size control in pyrohydrolysis of metal chlorides |
11/22/2001 | DE10022867A1 Precipitation of nickel and lead ions from iron(II) salt solution, from e.g. lixiviation of cyclone dust from titanium dioxide production by chloride process, involves using excess alkali sulfide and filtration after dwell |
11/21/2001 | EP1154952A1 Precipitation process |
11/21/2001 | CN1075042C Metal hydroxide solid solution having high aspect ratios and the producing process thereof |
11/14/2001 | CN1322364A Magnenese-zinc ferrite |
11/08/2001 | WO2001084566A1 Magnetic ferrite powder, magnetic ferrite sinter, layered ferrite part, and process for producing layered ferrite part |
11/08/2001 | WO2001084561A2 Tunable devices incorporating bicu3ti3feo¿12? |