| Patents for C01G 49 - Compounds of iron (8,643) |
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| 10/14/1997 | US5677087 Mixed oxide containing lithium, manganese and another metal |
| 10/09/1997 | WO1997025073A3 Contrast media |
| 10/08/1997 | EP0800183A1 Ferrite with low losses within 1MHz and 100 MHz and manufacturing process |
| 10/07/1997 | US5674645 Lithium manganese oxy-fluorides for li-ion rechargeable battery electrodes |
| 10/02/1997 | WO1997035815A1 Ferrite magnet, and powder for ferrite magnet and production process thereof |
| 10/01/1997 | EP0797543A1 Process for the treatment of metal-containing water and recovery of metals therefrom |
| 10/01/1997 | EP0797481A1 Restructured iron oxide |
| 09/30/1997 | CA2104233C Synthetic spinels and processes for making them |
| 09/30/1997 | CA2004750C Black pigment, process for its preparation and its use |
| 09/25/1997 | WO1997035200A1 Super-paramagnetic particles with increased r1 relaxivity, processes for producing said particles and use thereof |
| 09/25/1997 | WO1997034830A1 Powder for lower layer of coating type magnetic recording medium |
| 09/25/1997 | DE19612001A1 Superparamagnetische Teilchen mit vergrößerter R¶1¶-Relaxivität, Verfahren zur Herstellung und deren Verwendung Superparamagnetic particles with increased relaxivity R¶1¶, methods of preparation and use thereof |
| 09/23/1997 | US5670088 Perfluoropolyether surfactants with emulsions and surfactants |
| 09/17/1997 | EP0795898A2 Ferroelectric element and method of producing the same |
| 09/16/1997 | US5668075 Restructured iron oxide for use in iron oxide catalysts |
| 09/10/1997 | EP0794154A1 Magnetite particles, magnetic iron oxide particles, process for the production of the same and magnetic toner using the same |
| 09/10/1997 | CN1158823A Iron carbide producing process using metallurgical tail gas |
| 09/09/1997 | US5665157 Clean color shade, yellow-tinged red iron oxide pigments, and a process for their manufacture, and their use |
| 09/04/1997 | WO1997031861A1 Process for stabilization of arsenic |
| 09/04/1997 | CA2247098A1 Process for stabilization of arsenic |
| 09/03/1997 | EP0792840A1 Use of synthetic, bainite-rich iron raw materials for the preparation of iron oxide pigments |
| 09/03/1997 | EP0792839A1 Use of synthetic iron raw materials for the preparation of iron oxide pigments |
| 09/02/1997 | US5662879 Method for preparation of ferrite powders at room temperature |
| 09/02/1997 | US5662824 Separation |
| 08/28/1997 | WO1997030936A1 Nitric acid process for ferric sulfate production |
| 08/27/1997 | CN1157809A Method for producing chloro-free phosphorus potassium fertilizer and coproducing polymerized aluminum iron chloride |
| 08/26/1997 | US5660774 Process for making a sintered body from ultra-fine superconductive particles |
| 08/26/1997 | US5660773 Process for making ultra-fine yttrium-iron-garnet particles |
| 08/26/1997 | US5660772 Reacting ferric ions and barium ions in a nitrogen containing fuel and a solvent, removing solvent, combusting to form powder |
| 08/20/1997 | CN1157260A Macropore amplifying spherical silica-gel and its manufacturing method |
| 08/19/1997 | US5658555 Photoprotective/cosmetic compositions comprising synergistic admixture of sunscreen compounds/nanopigments |
| 07/23/1997 | CN1035473C Process for producing solid poly-ferric sulfate |
| 07/22/1997 | US5650194 Heating and stirring a suspension of an alkali hydroxide, a cobalt salt and magnetite particles, adding a magnesium salt and continuing to heat and stir |
| 07/22/1997 | US5650131 Process for making goethite |
| 07/17/1997 | WO1997025073A2 Contrast media |
| 07/17/1997 | CA2242647A1 Contrast media |
| 07/16/1997 | EP0783459A1 Ternary lithium mixed oxides, process for their preparation and their use |
| 07/16/1997 | EP0783456A1 Process for the realization of endothermic reactions for the thermal decomposition of solids, producing gases and solid residues |
| 07/16/1997 | EP0568670B1 Regeneration of hydrochloric acid |
| 07/16/1997 | CN1154388A Clean color shade, yellow-tinged red iron oxide pigments, and process for their manufacture, and their use |
| 07/15/1997 | US5648014 Acicular magnetic iron oxide particles and process for producing the same |
| 07/08/1997 | US5645652 Recording media |
| 07/03/1997 | WO1997023918A1 Anode active material and nonaqueous secondary battery |
| 06/26/1997 | DE19548418A1 Black iron oxide pigment granules for pigmentation |
| 06/24/1997 | US5641470 Process for making goethite |
| 06/24/1997 | CA2054932C Extraction of metal oxides from coal fly ash by microorganisms and a new microorganism useful therefor |
| 06/18/1997 | EP0779669A1 Lithium manganese oxide compound and method of preparation |
| 06/17/1997 | US5639438 Contacting mixture of lithium salt and lithium manganese oxide compound containing another metal in liquid medium with reducing agent, heating to form desired compound |
| 06/11/1997 | EP0778629A1 Lithium manganese oxide compound and method of preparation |
| 06/11/1997 | EP0777706A1 High purity ferromagnetic iron oxide pigments |
| 06/11/1997 | EP0777550A2 Nanoscale particles, and uses for same |
| 06/04/1997 | EP0776317A1 Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
| 06/04/1997 | EP0653379B1 Process for manufacturing homogeneous magnetite |
| 06/04/1997 | EP0573610B1 Synthetic spinels and processes for making them |
| 06/04/1997 | CN1035088C High-magnetic heat stability cobalt improved r-ferric oxide magnetic powder and its made method |
| 06/03/1997 | US5635154 Controlled heating of aqueous metal salt solutions under high pressure |
| 06/03/1997 | US5635152 Acid regeneration |
| 05/29/1997 | WO1997019022A1 Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis |
| 05/28/1997 | CN1150792A Anaerobic removal of sulphur compounds from waste water |
| 05/21/1997 | CN1150315A Magnet powder, sintered magnet, bonded magnet, and magnetic recording medium |
| 05/09/1997 | WO1997016156A1 Silicone polymer-coated, hydrophobized metal oxides |
| 05/07/1997 | EP0771311A1 Lattice layer compounds and halogenated polymer mass stabilisers containing the same |
| 05/07/1997 | EP0771310A1 Lattice layer compounds and their use |
| 05/07/1997 | CN1034802C Method for quick prodn. of poly chlorinated ferrous sulfate water purification agent |
| 05/06/1997 | US5626962 Co-coated acicular magnetite particles and process for producing the same |
| 05/06/1997 | US5626956 Hexagonal magnetic ferrite pigment for high density magnetic recording applications |
| 05/06/1997 | US5626788 Nickel, zinc, copper, manganese or cobalt ferrate from iron hydroxy oxide and treatment with heat treatment |
| 05/06/1997 | US5626664 Metal agglomerates with fly ash, coke or blast furnace flue gas dust |
| 05/02/1997 | EP0770647A2 Yellowish red iron oxide pigments of pure colour, process for preparing them and their use |
| 04/30/1997 | CN1148738A Positive-pole active material for lithium cell and making method thereof |
| 04/29/1997 | US5624650 Nitric acid process for ferric sulfate production |
| 04/27/1997 | CA2188644A1 Clean color shade, yellow-tinged red iron oxide pigments, and a process for their manufacture, and their use |
| 04/24/1997 | WO1997014760A1 Method for processing iron-containing materials and products produced thereby |
| 04/17/1997 | DE19610309C1 Precipitation of X=ray amorphous manganous and/or ferrous hydroxide for rapid binding of oxygen and carbon di:oxide |
| 04/10/1997 | WO1997012941A1 Method for preparing modified magnetic pigment particles |
| 04/10/1997 | WO1997012839A1 Method for preparing ammoxidation catalysts |
| 04/10/1997 | CA2233946A1 Method for preparing modified magnetic pigment particles |
| 04/09/1997 | EP0766650A1 Anaerobic removal of sulphur compounds from waste water |
| 04/02/1997 | EP0766330A1 Components for use in electrochemical cells and their use in oxygen separation |
| 04/02/1997 | EP0697995B1 Apparatus for producing nanoscale ceramic powders |
| 04/01/1997 | US5616309 Vanadium oxide-based cathode active material and method of making same |
| 03/26/1997 | EP0764682A1 Plastic formed product |
| 03/25/1997 | US5614012 Highly transparent, red iron oxide pigments, process for the production thereof and use thereof |
| 03/19/1997 | EP0763507A1 Manganese-zinc-ferrite |
| 03/19/1997 | EP0763263A1 A cathode material for lithium secondary batteries and a process and a precursor material for the production thereof |
| 03/19/1997 | EP0762930A1 Absorbent and process for removing sulfur oxides from a gaseous mixture |
| 03/13/1997 | WO1997009454A1 High production rate of nano particles by laser liquid interaction |
| 03/12/1997 | EP0762441A1 Fine coated particle, process for producing the same, and use thereof |
| 03/12/1997 | EP0610386A4 In situ use of gelatin in the preparation of uniform ferrite particles. |
| 03/11/1997 | US5610111 Ceramic composition for thermistor |
| 03/11/1997 | US5609789 Cobalt-containing magnetic iron oxide and process for producing the same |
| 03/06/1997 | WO1997007917A1 Process for the production of ultrafine particles |
| 03/05/1997 | EP0759888A1 Synthetic meixnerite product and method |
| 03/05/1997 | CN1034163C Method for producing ferric oxide by ultilizing steel rolling grease |
| 03/04/1997 | US5607505 Waste treatment process |
| 02/26/1997 | CN1143939A Reduction of residue chloride in iron oxides |
| 02/26/1997 | CN1143611A Method for producing iron oxide yellow using sulfuric acid roasting residue |
| 02/25/1997 | US5605773 Lithium manganese oxide compound and method of preparation |
| 02/25/1997 | US5605753 Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same |
| 02/20/1997 | WO1997006215A1 Method for preparing inorganic pigments, resulting inorganic pigments, and apparatus therefor |