| Patents for C01G 49 - Compounds of iron (8,643) |
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| 02/14/1995 | US5389361 Water soluble; antimony oxide free; cosmetics; sunscreen |
| 02/14/1995 | US5389352 Oxide particles and method for producing them |
| 02/13/1995 | CA2130212A1 Process for working up thin acid |
| 02/07/1995 | US5387356 Process of producing calcined materials for ferrite magnet |
| 02/02/1995 | WO1995003252A1 Oxide particles and method for producing them |
| 02/01/1995 | EP0397885B1 Magnetic powder, its production method, magnetic recording medium and magnetic recording method |
| 01/31/1995 | US5385716 Metal-magnesium compounds, process for preparing same and the use thereof for the preparation of finely divided metal and alloy powders and intermetallic compounds |
| 01/26/1995 | WO1995002887A1 USE OF HIGHLY PERMEABLE MnZn FERRITES FOR INSULATOR-COATED FERRITE CORES IN INDUCTIVE COMPONENTS |
| 01/25/1995 | EP0635855A1 Magnetic material for high frequencies |
| 01/25/1995 | EP0635854A1 Magnetic material for high frequencies |
| 01/19/1995 | WO1995002242A1 Doped magnetic iron oxide particles and method of preparing the same |
| 01/17/1995 | US5382413 Safety module for hydrogen generating reactors |
| 01/03/1995 | US5378547 Mixed powder(which has composite particles containing hexagonal ferrite and spinel ferrite and also particles containing only hexagonal ferrite) for dispersion in resin binder which forms magnetic layer |
| 01/03/1995 | US5378438 Heating with potassium hydroxide and then with carbon monoxide and water, magnetic separation |
| 01/03/1995 | US5378384 Process of making hexagonal magnetic ferrite pigment for high density magnetic recording applications |
| 01/03/1995 | US5378380 Process for producing acicular geothite particles and acicular magnetic iron oxide particles |
| 12/28/1994 | EP0630856A1 Process for removing iron and manganese from acid solutions of zinc salts |
| 12/21/1994 | EP0629669A1 Cobalt-containing iron oxide pigments, process for producing the same and magnetic recording medium containing the same |
| 12/15/1994 | DE4320003A1 Process for removing dissolved arsenic by means of solid iron hydroxide in water purification |
| 12/14/1994 | EP0628524A1 Manganese-zinc ferrite |
| 12/14/1994 | CN1096275A Ferric (III) oxide nanometer particle and quasi-single layer membrane preparing method |
| 12/07/1994 | CN1026888C Method for production of solid polyiron sulfate |
| 12/06/1994 | US5370857 Process for producing monohydrated beta-ferric oxide |
| 11/30/1994 | EP0625957A1 Acid regeneration |
| 11/30/1994 | CN1095690A Method and plant for reduction magnetizing sulfuric acid sludge from acid plant |
| 11/29/1994 | US5368763 Transformer material for switched mode power supply |
| 11/29/1994 | US5368640 Transparent iron oxide pigments, processes for their production and their use |
| 11/29/1994 | US5368617 Process for reducing sulfur emissions with calcium-containing sorbents |
| 11/24/1994 | WO1994026667A1 Process for the preparation of ferric chloride |
| 11/24/1994 | WO1994026657A1 Apparatus for producing nanoscale ceramic powders |
| 11/24/1994 | CA2160367A1 Apparatus and process for producing nanoscale ceramic powders |
| 11/24/1994 | CA2139648A1 Process for the preparation of ferric chloride |
| 11/23/1994 | EP0625794A1 Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein |
| 11/22/1994 | US5366761 Method for preparing barium-ferrite-coated γFE2 O3 magnetic power |
| 11/22/1994 | US5366718 Process for producing columbite-type niobate and process for producing perovskite-type compound therefrom |
| 11/21/1994 | WO1994027911A1 Process for manufacturing homogeneous magnetite |
| 11/17/1994 | EP0624886A1 Sintered transformer or inductor core of NiZn ferrite material |
| 11/16/1994 | CN1095043A Refining method of by-product ferrous sulfate during production of titanium white powder |
| 11/09/1994 | EP0623919A1 Magnetic recording medium |
| 11/02/1994 | CN1026405C High-finess magnetic oxide made by by-product ferrous iron salt |
| 11/01/1994 | US5360635 Depositing a conductive mixed oxide layer onto a porous substrate |
| 10/26/1994 | EP0621234A1 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
| 10/25/1994 | US5358695 Atomizing mixture of ceramic precursor with carbohydrate carrier material, combustion, oxidation |
| 10/19/1994 | CN1093682A Method for production of magnetic powder by using the fume containing iron from steel smelting |
| 10/18/1994 | US5356713 Magnetizable composite microspheres of hydrophobic crosslinked polymer, process for preparing them and their application in biology |
| 10/18/1994 | US5356712 Magnetite particles |
| 10/11/1994 | US5354637 Binder resin and magnetic iron oxide with specified ferrous content, specific surface area, X-ray diffraction pattern; stability |
| 10/05/1994 | EP0618174A1 Process for the preparation of transparent yellow iron oxide pigments |
| 09/28/1994 | EP0616732A1 Use of vanadium oxide iron and/or aluminium bronzes as a cathode material in electrochemical generators. |
| 09/27/1994 | US5349957 MRI diagnostic agent |
| 09/20/1994 | US5348725 Method of making pillared hydrotalcites and associated products |
| 09/20/1994 | US5348160 Coal cleaning process |
| 09/15/1994 | WO1994020417A1 Flocculating agents |
| 09/13/1994 | US5346643 Polynuclear complex salt waste water clarificants and their preparation |
| 09/13/1994 | US5346638 Small temperature coefficient of inductance, electronic chip coils, Ni-Mg-Cu-Bi ferrite with Sio2 and Co3O4 additive |
| 09/07/1994 | EP0422105B1 Metal oxide ceramic powders and methods of making same |
| 08/30/1994 | CA1331676C Thermostable zinc ferrite color pigments, a process for their preparation and their use |
| 08/30/1994 | CA1331675C Oxidation resistant, heat resistant iron oxide black pigments, a process for their preparation and their use |
| 08/24/1994 | EP0612083A1 Manganese-zinc ferrite |
| 08/24/1994 | CN1091157A Production of metal from minerals |
| 08/17/1994 | EP0610386A1 In situ use of gelatin in the preparation of uniform ferrite particles |
| 08/17/1994 | CN1090829A Process for refining ferrous sulfate as by-product in titanium dioxide powder production |
| 08/16/1994 | US5338355 Method of preparing goethite |
| 08/16/1994 | US5338334 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam |
| 08/16/1994 | CA1331423C Heat stable iron oxide pigments of -fe o structure, a process for their production and their use |
| 08/10/1994 | EP0610077A1 Magnetic powder and high density magnetic recording medium using same |
| 08/10/1994 | EP0609775A2 Ferrite with low dissipation and high saturation induction |
| 08/10/1994 | EP0609533A1 Iron oxide containing titanium dioxide |
| 08/09/1994 | US5336421 Spinel-type spherical, black iron oxide particles and process for the producing the same |
| 08/09/1994 | CA1331274C Heat-stable iron oxide black pigments, processes for their production and their use |
| 08/09/1994 | CA1331273C Iron oxide pigments, a process for their preparation and their use |
| 08/04/1994 | WO1994016989A1 Process for producing nanoscale ceramic powders |
| 08/03/1994 | EP0609071A1 Magneto-plumbite ferrite particles for magnetic card, process for producing the same, and magnetic card using the same |
| 08/03/1994 | EP0609070A1 Spherical magnetic particles and process for producing the same |
| 08/03/1994 | EP0608325A1 Coal cleaning process |
| 08/03/1994 | CN1090357A A process for pelletising particles of alkali metal ferrite |
| 08/03/1994 | CN1090256A A process for recovering alkali metal hydroxide from organic liquors |
| 07/27/1994 | EP0541796B1 Ferrous salt composition |
| 07/27/1994 | CN1090085A Cobalt-containing magnetic iron oxide and process for producing the same |
| 07/26/1994 | US5332645 Strontium or barium ferrite carrier particles; electrographic developers |
| 07/26/1994 | US5332597 Separation of oxygen from mixtures |
| 07/26/1994 | US5332565 Manufacture of ferric sulphate compounds |
| 07/12/1994 | US5328670 Dissolving hydrogen chloride in waste fluids, crystallization of chlorides of metals and distillation |
| 07/07/1994 | WO1994014723A1 Manganese-zinc ferrite |
| 07/06/1994 | EP0604849A2 Cobalt-containing magnetic iron oxide and process for producing the same |
| 07/06/1994 | EP0604817A1 Process for the purification of a technical iron chloride solution by selective precipitation |
| 07/06/1994 | EP0604472A1 Hexagonal magnetic ferrite pigment for high density magnetic recording applications. |
| 07/05/1994 | US5326549 Bimetal hydroxide |
| 06/29/1994 | EP0556318B1 Magnetic particles |
| 06/29/1994 | CN1088544A Regeneration of hydrochloric acid |
| 06/28/1994 | US5324353 Zinc sulfide bodies having improved optical transmittance characteristics and mechanical characteristics |
| 06/22/1994 | EP0603004A1 Lustrous pigment and method of producing the same |
| 06/22/1994 | EP0439620B1 Method of producing pulverized perovskite compound |
| 06/14/1994 | US5320674 Ultraviolet ray screening agent |
| 06/09/1994 | WO1994012675A1 Beneficiation of titaniferous ores |
| 06/09/1994 | CA2149675A1 Beneficiation of titaniferous ores |
| 06/08/1994 | EP0600529A2 Preparation and magnetic properties of very small magnetite-dextran particles |
| 06/07/1994 | CA1329989C Method and apparatus for biological processing of metal-containing ores |
| 06/03/1994 | CA2107280A1 Preparation and magnetic properties of very small magnetite-dextran particles |
| 05/31/1994 | US5316746 High purity iron oxide and method for production hereof |