| Patents for C01G 49 - Compounds of iron (8,643) |
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| 02/02/1999 | US5866028 Ferrite magnet, and powder for ferrite magnet and production process thereof |
| 02/02/1999 | CA2153048C Process for producing nanoscale ceramic powders |
| 01/27/1999 | EP0892834A1 Process for preparing agglomerate-free nanoscalar iron oxide particles with a hydrolysis-resistant coating |
| 01/26/1999 | US5863512 Process for preparing layered rock salt type lithium ferrite by mixed alkali hydrothermal method |
| 01/21/1999 | WO1999002456A1 A process for producing an aqueous solution comprising ferric chloride |
| 01/20/1999 | CN1205678A Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis |
| 01/13/1999 | EP0666238B1 Metal oxide powder and process for producing the same |
| 01/12/1999 | US5858532 Magnetic iron oxide particle have an oxide, hydroxide, or hydrous oxide of atleast one metal selected from aluminum, silicon, zirconium, manganese, magnesium, aluminum, zinc, cobalt, titanium deposited on the surface; |
| 01/07/1999 | WO1998040049A3 Specific magnetosome, method for the production and use thereof |
| 01/07/1999 | EP0888545A1 Super-paramagnetic particles with increased r 1? relaxivity, processes for producing said particles and use thereof |
| 01/06/1999 | CN1041575C Sintered transformer of inductor core of NiZn ferrite material |
| 12/30/1998 | CN1203196A Method for preparing ferric polysulfate solutions |
| 12/30/1998 | CN1203195A Process for producing poly-iron chloride |
| 12/23/1998 | EP0885846A1 Method for preparing ferric polysulfate solutions |
| 12/23/1998 | EP0885845A1 Spinel-type lithium-manganese oxide containing heteroelements, preparation process and use thereof |
| 12/23/1998 | EP0854765A4 Process for the production of ultrafine particles |
| 12/08/1998 | US5846449 Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium |
| 12/08/1998 | US5846448 Ferrite and ferrite core for power supply |
| 12/03/1998 | DE19722307A1 Manganese-zinc ferrite produced from ultra-fine particles |
| 12/02/1998 | EP0742783B1 Process of preparing ferric sulfate |
| 12/02/1998 | CN1200364A Method for preparing ferrous ammonium sulfate by using waste water from sulfuric acid method prodn. of titanium dioxide |
| 12/02/1998 | CN1040969C Composite metal oxide powder and process for producing same |
| 11/18/1998 | EP0877630A2 Contrast media |
| 11/17/1998 | US5837216 Iron oxide pigments form iron |
| 11/17/1998 | US5837051 Mixture of iron oxides, oxyhydroxides, hydroxides with heat treatment and agglomeration with fluidization |
| 11/12/1998 | WO1998050308A1 Novel process for preparing spinel type lithium manganese composite oxide and cathode active material for rechargeable battery |
| 11/12/1998 | WO1998050142A2 Process for regulating a circulating fluidised bed and use of the process |
| 11/12/1998 | DE19719481A1 Verfahren zur Einstellung einer zirkulierenden Wirbelschicht und Verwendung des Verfahrens A method for adjusting a circulating fluidized bed and using the method |
| 11/12/1998 | CA2287256A1 Novel process for preparing a spinel type lithium manganese complex oxide and a positive electrode active for a secondary battery |
| 11/11/1998 | EP0876432A1 Method for preparing modified magnetic pigment particles |
| 11/11/1998 | EP0876295A1 Nanostructured oxides and hydroxides and methods of synthesis therefor |
| 11/05/1998 | WO1998048921A1 Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas |
| 11/04/1998 | CN1198145A Method for preparing ammoxidation catalysts |
| 11/04/1998 | CN1197693A Process for producing particulate iron-antimony containing oxide composition having high compressive strength |
| 11/03/1998 | CA2031796C Method for producing composite oxides for use as starting materials for ferrites |
| 10/28/1998 | CN1040417C Method for regeneration of hydrochloric soaked agent from hydrochloric soaked liquid |
| 10/27/1998 | US5827701 Method for the generation and use of ferric ions |
| 10/21/1998 | EP0872905A1 Anode active material and nonaqueous secondary battery |
| 10/21/1998 | EP0872448A2 Metal hydroxide solid solution, metal oxide solid solution and their processes for production |
| 10/21/1998 | CN1196560A Manufacturing method for ferrimagnet burn-in material |
| 10/21/1998 | CN1196362A Metal hydroxide sosoloid, metal oxide sosoloid and manufacturing method thereof |
| 10/21/1998 | CN1040314C Metal oxide powder and process for producing same |
| 10/20/1998 | US5824429 Lanthanum ferrite |
| 10/20/1998 | CA2018380C Continuous process for the separation of partially water soluble component from a slurry |
| 10/14/1998 | EP0869762A1 Silicone polymer-coated, hydrophobized metal oxides |
| 10/07/1998 | CN1040094C Process for producing high grade iron oxide red from limonite |
| 10/06/1998 | CA2078516C Production of purified iron chloride by a vacuum process in the manufacture of titanium dioxide |
| 09/30/1998 | EP0867407A2 High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium |
| 09/22/1998 | US5811181 Ferroelectric thin film, ferroelectric thin film covering substrate and manufacturing method of ferroelectric thin film |
| 09/22/1998 | US5811024 Molding powder barrium ferrite raw material containing silcion oxide or silicon compound, barium compound which can form barium oxide upon firing, in a magnetic field into a compact, sintering the compact; high mechanical strength |
| 09/17/1998 | WO1998040049A2 Specific magnetosome, method for the production and use thereof |
| 09/16/1998 | CN1192993A Method for producing high-purity iron oxide |
| 09/15/1998 | CA1340042C Process for preparing ferric chloride from diluted hydrochloric acid |
| 09/15/1998 | CA1340041C Process for preparing ferric chloride from diluted hydrochloric acid |
| 09/11/1998 | WO1998039249A1 Method for producing hyperazeotropic hydrochloric acid from metal chloride solutions |
| 09/09/1998 | EP0863501A2 Plate-like ferrite particles with magnetoplumbite structure and magnetic card using the same |
| 09/09/1998 | EP0862537A1 Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis |
| 09/09/1998 | EP0763263B1 A cathode material for lithium secondary batteries and a process and a precursor material for the production thereof |
| 09/09/1998 | EP0750589B1 Reduction of residual chloride content in iron oxides |
| 09/09/1998 | CN1192457A Red pagment |
| 09/02/1998 | EP0625957B1 Acid regeneration |
| 09/01/1998 | US5800716 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 09/01/1998 | CA2012996C Method of forming ferrite coatings |
| 08/27/1998 | WO1998037022A1 Treatment of a solution containing iron salts |
| 08/27/1998 | CA2511380A1 Method for preparing lithium transition metalates |
| 08/19/1998 | CN1190645A Surface clad nm zinc ferrite corpuscle and corpuscle cooloidal sol preparation method |
| 08/12/1998 | EP0857693A1 Processes for producing hydrated iron oxide and ferromagnetic iron oxide |
| 08/04/1998 | US5789112 Electrolytic cell |
| 08/04/1998 | CA2015606C Method of manufacturing shaped body made of ferrite crystals of garnet polycrystal structure |
| 07/30/1998 | DE19702431A1 Magnetite with narrow particle size distribution and good colour, dispersibility and thermal stability |
| 07/29/1998 | EP0854765A1 Process for the production of ultrafine particles |
| 07/29/1998 | CN1189108A Iron sulfides and process for producing the same |
| 07/28/1998 | US5785862 Preparation and uses of polyferric sulphate |
| 07/22/1998 | EP0853648A1 Method for preparing inorganic pigments, resulting inorganic pigments, and apparatus therefor |
| 07/21/1998 | US5783332 Mixed oxide containing lithium and manganese |
| 07/15/1998 | EP0853066A1 Hematite particles and magnetic recording medium using hematite particles as non-magnetic particles for a non-magnetic undercoat layer |
| 07/15/1998 | EP0852569A1 Method for preparing ammoxidation catalysts |
| 07/15/1998 | CN1187465A Method for producing iron oxide red |
| 07/15/1998 | CN1039113C Method for producing synthetic ferric oxide red from magnetite |
| 07/07/1998 | US5775810 Detecting multiple temperatures; miniaturization |
| 07/01/1998 | EP0850881A1 Process and apparatus for the preparation of iron oxides from solutions containing hydrochloric acid iron oxide chloride |
| 06/30/1998 | US5774025 Multiple layers of glass-free magnetic dielectric having phase shifter conductor pattern thereon, sinterable below melting point of conductor, cofired |
| 06/30/1998 | US5772820 Process for fabricating a microwave power device |
| 06/27/1998 | CA2226428A1 Process and apparatus for production of ferric oxide from iron chloride solutions |
| 06/25/1998 | DE19756249A1 Oxide structure of small particles for use as ceramics for sensors |
| 06/24/1998 | EP0849226A1 Process for the preparation of yellow iron oxide pigments and its use |
| 06/24/1998 | CN1185419A Process for preparing ferric oxide yellow pigment and use thereof |
| 06/23/1998 | US5770172 Preparation of iron oxides and iron sulfides, coal liquefaction catalysts |
| 06/23/1998 | US5770126 High producing rate of nano particles by laser liquid interaction |
| 06/23/1998 | US5769937 High-purity ferromagnetic iron oxide pigments |
| 06/19/1998 | CA2224869A1 Process for the preparation of iron oxide yellow pigments and the use thereof |
| 06/16/1998 | US5766763 Hexagonal system ferrite powder for a high density magnetic recording medium |
| 06/16/1998 | US5766566 Oxidation of slurry containing ferrous sulfte and sulfuric acid with molecular oxygen oxidizing agent under pressure to form a slurry of both liquid and solid phase ferric sulfate, cooling or evaporating to dehydrate to form solid phase |
| 06/16/1998 | US5766336 Colored pigments based on oxide-nitrides, the preparation and use thereof |
| 06/09/1998 | US5762891 Forming arsenic oxide by oxidation of arsenic sulfide and having metal impurities |
| 06/02/1998 | US5759717 Lithium manganese spinel, charging and discharging proceed in uniform one phase reaction, no change in crystal structure, production of 3 volt battery |
| 06/02/1998 | US5759509 Metal hydroxide and oxide solid solutions having high aspect ratios and their processes for production |
| 06/02/1998 | US5759435 Magnetite particles and process for production thereof |
| 05/28/1998 | WO1998022387A1 Nanostructured oxides and hydroxides and methods of synthesis therefor |
| 05/28/1998 | CA2243441A1 Nanostructured oxides and hydroxides and methods of synthesis therefor |