| Patents for C01G 49 - Compounds of iron (8,643) |
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| 05/27/1998 | CN1038497C Process for decontaminating solutions of Fe(II) chloride solutions in hydrochloric acid |
| 05/20/1998 | EP0842990A2 Spherical colour pigments, process for their preparation and their use |
| 05/20/1998 | EP0842901A1 Powder for lower layer of coating type magnetic recording medium |
| 05/19/1998 | US5753028 Brilliant reddish yellow hues |
| 05/19/1998 | US5753027 Pigmentary material |
| 05/14/1998 | WO1998019779A1 Improved leaching of mineral ores |
| 05/13/1998 | EP0628524B1 Manganese-zinc ferrite |
| 05/13/1998 | CN1181749A Ferrite magnet, and powder for ferrite magnet and prodn. process |
| 05/13/1998 | CN1181745A Reduction of residual chloride in iron oxides |
| 05/13/1998 | CN1038348C Prodn. of metal from minerals |
| 05/12/1998 | US5751516 Non-magnetic substrate material and slider assembly for use in flying-type magnetic head |
| 05/12/1998 | US5750609 Ultraviolet protective agent |
| 05/12/1998 | US5750045 Mixing iron chloride and oxide withnother metal chloride and oxide; roasting |
| 05/12/1998 | US5750020 Cyclic, fluidized catalytic-cracking of hydrocarbon feedstock including oxides of nitrogen and sulfur, converting nitrogen oxide in regeneration zone by exposing gas stream to a catalyst bed of microcrystalline mixed oxides |
| 05/06/1998 | EP0766650B1 Anaerobic removal of sulphur compounds from waste water |
| 05/06/1998 | CN1180662A Continuous production of high-purity ferric oxide and device thereof |
| 05/05/1998 | US5746994 Method for synthesizing ferrate and ferrate produced thereby |
| 05/05/1998 | US5746991 Doped with rare earth |
| 04/29/1998 | CN1180049A Treating method for extracting iron from waste liquid containing nickel or iron chloride |
| 04/28/1998 | US5744015 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
| 04/22/1998 | EP0837108A1 Magnetic iron oxide, process for its manufacture and its use |
| 04/22/1998 | EP0837037A1 Lithium iron oxide, method of its synthesis, and lithium battery using the same |
| 04/21/1998 | US5742070 Method for preparing an active substance of chemical cells |
| 04/14/1998 | US5738957 Positive electrode active material for lithium battery |
| 04/14/1998 | US5738949 Inductive component having a core formed of high-permeability MnZn ferrites and encapsulated with insulating material |
| 04/08/1998 | EP0777550A4 Nanoscale particles, and uses for same |
| 04/08/1998 | EP0666239B1 Composite metal oxide powder and process for producing the same |
| 04/08/1998 | CN1178261A Method for recovering etchant from etching waste liquid containing iron chloride |
| 04/07/1998 | US5736111 Method for producing iron-containing complex oxide powders |
| 04/01/1998 | EP0832848A1 Magnetite particles, a process for producing them and applications thereof |
| 04/01/1998 | CN1177572A Method for production of high-purity iron oxide red by using ammonia-soda process |
| 03/31/1998 | US5734127 Use of barium copper oxide compounds as high critical temperature superconductors |
| 03/31/1998 | US5733471 Magnetite particles and process for production of the same |
| 03/25/1998 | CN1037836C Process for mfg. homogeneous magnetite |
| 03/24/1998 | US5731085 Spherical magnetic composite particles |
| 03/24/1998 | US5730794 Use of synthetic, bainite-rich iron raw materials for preparing iron oxide pigments |
| 03/18/1998 | EP0828695A1 Ferrite magnet, and powder for ferrite magnet and production process thereof |
| 03/18/1998 | CN1037762C Process for producing compound poly-ferric aluminium sulfate |
| 03/17/1998 | US5728363 React trivalent metal oxide powder with divalent metal compound and react intermediate formed with anion source, separation |
| 03/12/1998 | WO1998010476A1 Lithium manganese oxy-fluorides for li-ion rechargeable battery electrodes |
| 03/12/1998 | CA2263662A1 Lithium manganese oxy-fluorides for li-ion rechargeable battery electrodes |
| 03/11/1998 | EP0827488A1 Reduction of residual chloride in iron oxides |
| 03/11/1998 | CN1037705C Microfiltration |
| 03/11/1998 | CN1037675C Method for producing ferric oxide black by using steel rolling greasy filth |
| 03/10/1998 | US5725802 Oxidizing, sulfiding, and salt formation by reacting metal with gas in perfluoropolyether oil |
| 03/04/1998 | EP0827137A1 Coating type magnetic recording medium having a multilayer structure |
| 03/04/1998 | EP0826635A1 Magnetite particles and production process of the same |
| 03/04/1998 | EP0777706B1 High purity ferromagnetic iron oxide pigments |
| 03/03/1998 | US5723035 Coated membranes |
| 02/25/1998 | EP0825661A1 Lithium Battery |
| 02/25/1998 | EP0825153A1 Lithium-iron oxide particles and process for producing the same |
| 02/17/1998 | US5718880 Method of increasing the bulk density of iron oxide powder |
| 02/17/1998 | US5718865 Shaping a graunlated alum and plasticizer mixture |
| 02/17/1998 | US5718755 Preparation and use of iron oxide black pigment granules |
| 02/12/1998 | DE19623408C1 Production of coarse grained metal oxide(s) |
| 02/11/1998 | EP0823399A1 Rectangular parallelopipedic lepidocrocite particles and process for producing the same |
| 02/11/1998 | CN1037335C Process for preparing ferric oxide |
| 02/10/1998 | US5716565 Process for making ultra-fine stabilized zirconia particles |
| 02/10/1998 | CA2084570C Manufacture of ferric sulphate compounds |
| 02/04/1998 | EP0821656A1 Method for treating ferrous sulphate |
| 02/04/1998 | CN1172079A Method for preparation of high iron and its compound oxidizing flocculant |
| 02/03/1998 | US5714260 Used for uv shielding cosmetics, pharmaceutical compositions, and uv shielding paints |
| 02/03/1998 | US5714091 Process for the partial oxydation of hydrocarbons |
| 01/29/1998 | WO1998004010A1 Positive electrode for lithium battery |
| 01/27/1998 | US5711906 Method of manufacturing a black zirconia-based article and black zirconia-based decorative article notably obtained by this method |
| 01/07/1998 | EP0817178A1 Coated acicular magnetic iron oxide particles |
| 01/07/1998 | EP0817177A1 Iron oxide magnetic powder and magnetic recording medium using the same |
| 01/07/1998 | EP0815056A1 Method of producing alpha-hematite hydrate from galvanising sludge |
| 01/07/1998 | EP0724546B1 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 01/07/1998 | CN1169685A Recombined iron dioxide |
| 01/02/1998 | DE19624426A1 Magnetic particle for transport of diagnostic or therapeutic agent |
| 12/31/1997 | CN1168863A Use of synthetic, bainite-rich iron raw materials for preparing iron oxide pigment |
| 12/31/1997 | CN1168862A Use of synthetic, iron raw materials for preparing iron oxide pigments |
| 12/31/1997 | CN1036861C Method for treating nickel-contg. etching waste fluid |
| 12/29/1997 | EP0813500A1 Purification of metal containing solutions |
| 12/24/1997 | CN1036775C Method for production of high-content ferric oxide red colorant from iron-contained industrial burned dregs |
| 12/16/1997 | US5698131 Paste formed by dissolving two or more organometallic compounds comprising the metal element fe with another comprising mn and/or li, mg, zn, y, gd; a terpenoid carboxylic acid compound in an organic solvent; thin films |
| 12/09/1997 | US5695901 Toner; prepared from microemulsion |
| 12/09/1997 | US5695900 Covalently bonding silane compound with surface of iron oxide particle then attaching a hydrophobic coloring agent through silane coupler; useful for preparing toner product |
| 12/09/1997 | US5695893 Material for use in the positive electrodes of lithium batteries, its manufacture, and lithium batteries incorporating this material |
| 12/02/1997 | US5693212 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
| 11/26/1997 | EP0808910A2 Apparatus and method for the generation and use of ferric ions produced by bacteria |
| 11/26/1997 | EP0808801A2 Magnetite particles and process for production thereof |
| 11/21/1997 | CA2205151A1 Apparatus and method for the generation and use of ferric ions |
| 11/19/1997 | EP0593695B1 Method for the synthesis of mixed metal oxide crystalline powders |
| 11/19/1997 | CN1165380A Ferroelectric element and method of producing the same |
| 11/18/1997 | US5688480 Roastinf a mixture of metal elements to form oxides in hydrogen halide and halogen |
| 11/18/1997 | US5688430 Soft ferrite raw material powder, its sintered body, and their production method and apparatus |
| 11/18/1997 | US5688378 Oxidation of arsenic in solution in presence of photoabsorber |
| 11/13/1997 | WO1997042125A1 Black ultrafine magnetite particles and process for preparing the same |
| 11/12/1997 | EP0806396A1 Process for the preparation of metal disulfides and further processing thereof to dimetal trisulfides |
| 11/11/1997 | US5686378 Iron and titanium containing oxidation catalysts, water treatment |
| 11/04/1997 | US5683797 Inorganic membranes |
| 11/04/1997 | US5683613 Coprecipitation of components, reaction with fluorinating agent, piezoelectric |
| 10/30/1997 | DE19717560A1 Acicular goethite, haematite and magnetic iron alloy particles |
| 10/29/1997 | EP0802886A1 Preparation of metal oxide powders using activated ball milling |
| 10/23/1997 | WO1997038944A1 Process for the preparation of water purification solutions containing ferric iron and the use of the product as of obtained |
| 10/23/1997 | CA2250133A1 Process for the preparation of water purification solutions containing ferric iron and the use of the product as of obtained |
| 10/16/1997 | WO1997038058A1 Process for preparing agglomerate-free nanoscalar iron oxide particles with a hydrolysis-resistant coating |
| 10/16/1997 | DE19614136A1 Verfahren zur Herstellung agglomeratfreier nanoskaliger Eisenoxidteilchen mit hydrolysebeständigem Überzug Process for the preparation of nanoscale iron oxide particles agglomerate with hydrolysis-resistant coating |