| Patents for C01G 49 - Compounds of iron (8,643) |
|---|
| 12/18/1984 | CA1179509A1 Iron-copper separation by reduction leaching |
| 12/05/1984 | EP0127427A2 Production of microcrystralline ferrimagnetic spinels |
| 12/04/1984 | US4486467 Higher coercive force |
| 12/04/1984 | US4486401 Oxides of nickel, zinc and iron |
| 11/27/1984 | US4485085 Process for producing ferrimagnetic spinel fibers |
| 11/27/1984 | US4485073 Process of producing manganese sulfate solutions |
| 11/27/1984 | US4485018 Adding ferric chloride to coagulate and flocculate suspended particles |
| 11/21/1984 | EP0125810A1 Oxygen-deficient, barium-containing perovskites |
| 11/20/1984 | US4483828 Reduction, mixing with aluminum, digestion |
| 11/20/1984 | CA1178026A1 Treatment of chlorination residue |
| 11/14/1984 | EP0125142A2 A process for the regeneration of mixtures containing sulphuric acid and metal sulphates into sulphuric acid and metal oxides |
| 11/13/1984 | US4482644 Oxygen-deficient, barium-containing perovskites |
| 11/13/1984 | CA1177787A1 Magnetic separation to improve purity of iron oxide pigments |
| 11/06/1984 | US4481087 Process for removing chromate from solution |
| 10/31/1984 | EP0123530A2 Production of ferrimagnetic spinel fibres |
| 10/31/1984 | EP0123529A2 Ferrimagnetic spinel fibres |
| 10/31/1984 | EP0123445A1 Barium ferrite particles for magnetic recording media |
| 10/23/1984 | CA1176616A1 Zeolites |
| 10/17/1984 | EP0122055A1 Production of fine ferrimagnetic spinels |
| 10/16/1984 | US4477319 Process for forming a ferrite film |
| 10/09/1984 | US4476324 Improved catalyst of anionic clay mineral |
| 10/09/1984 | US4476103 Catalytic production of metal carbonyls from metal oxides |
| 10/09/1984 | CA1175664A1 Process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium |
| 10/09/1984 | CA1175616A1 Production of iron monoxide and carbon filaments therefrom |
| 10/03/1984 | EP0120572A1 Process for preparing an iron oxide |
| 09/26/1984 | EP0119480A2 Spherical monocrystals for pharmaceutical use |
| 09/25/1984 | US4473542 Production of microcrystalline ferrimagnetic spinels |
| 09/25/1984 | US4473483 Ferrite spinel powder in a resin |
| 09/19/1984 | EP0119179A1 Pumpable water-purifying compositions containing iron(II) sulphate, and a method for their manufacture |
| 09/18/1984 | US4472369 Process for producing ferrites |
| 09/18/1984 | CA1174475A1 Hydrometallurgical process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and codmium |
| 09/11/1984 | US4470961 Utilization of impure steam and recovery of deuterium therefrom |
| 09/05/1984 | EP0117755A2 Process and apparatus for preparing metal oxide particles |
| 09/04/1984 | US4469669 Dehydration, oxidation, mixing with sodium or potassium carbonate and metal compound, roasting |
| 08/28/1984 | CA1173255A1 Process for reducing the iron content of iron-, silicon- and aluminum-containing raw materials and for producing ferric oxids, optionally along with an alumina concentrate |
| 08/22/1984 | EP0116449A2 Barium ferrite particles for magnetic recording media |
| 08/07/1984 | US4464352 Dehydration; reduction; oxidation |
| 07/31/1984 | CA1171636A1 Process for reducing iron in phosphoric acid solution |
| 07/18/1984 | EP0113452A2 Magnetic particles as supports for organic synthesis |
| 07/10/1984 | US4459276 Yellow iron oxide pigment and method for manufacture thereof |
| 07/10/1984 | CA1170670A1 Removal of iron compounds from organic process streams |
| 07/04/1984 | EP0112764A1 Process for removing iron from leaching solutions |
| 07/03/1984 | US4457982 Acicular ferrimagnetic iron oxide and its preparation |
| 07/03/1984 | US4457897 Process for the selective dissolution of cobalt from cobaltite-pyrite concentrates |
| 07/03/1984 | US4457812 Preferential extraction of metal halide with nonmetal halide |
| 06/27/1984 | EP0111869A1 Process for forming a ferrite film |
| 06/21/1984 | WO1984002333A1 Cathode material for alkali-metal rechargeable cell |
| 06/13/1984 | EP0110848A1 A method for producing water-purifying chemicals |
| 06/13/1984 | EP0110702A2 Improved preparative process for alkaline earth metal, aluminum-containing spinels |
| 05/29/1984 | US4451338 Process for making a calcium/sodium ferrate adduct by the electrochemical formation of sodium ferrate |
| 05/16/1984 | EP0108271A2 Ferrosilicate molecular sieve composition |
| 05/15/1984 | US4448761 Preparation of acicular, ferrimagnetic iron oxides |
| 05/15/1984 | US4448694 Metal extraction from solution and immobilized chelating agents used therefor |
| 05/08/1984 | US4447403 Method for autoclave oxidation of ion species aqueous solutions |
| 04/25/1984 | EP0106577A1 Powder for magnetic recording media and a process for its manufacture |
| 04/25/1984 | EP0106468A1 Process for the chlorination of oxidic materials |
| 04/25/1984 | EP0105873A1 Hydrous iron adsorbent, process for preparing the same and process for using the same in the extraction of tungsten and/or molybdenum from solution |
| 04/24/1984 | CA1166232A1 Zeolite nu-3 |
| 04/24/1984 | CA1165978A1 Process for production of high-purity iron oxide |
| 04/18/1984 | EP0105375A1 Oxide-containing magnetic material capable of being sintered at low temperatures |
| 04/17/1984 | US4443264 Halogen-free zinc ferrite yellow pigments containing alumina and phosphorus oxide and production |
| 04/17/1984 | CA1165533A1 Method of preparing high purity ferrous sulfate hydrate crystals from hydrochloric acid waste pickle liquor |
| 04/17/1984 | CA1165511A1 Iron blue pigment, procedures to prepare it and to utilise it |
| 04/17/1984 | CA1165510A1 Iron blue pigment, procedures to prepare it and utilise it |
| 04/11/1984 | EP0105164A1 Process for the chlorination of oxidic materials |
| 04/11/1984 | EP0105122A2 Processes for making ferrite powder and ferrite blocks |
| 04/11/1984 | EP0105110A2 Process for producing acicular ferromagnetic metal particles essentially consisting of iron |
| 04/10/1984 | US4442073 Oxidation, solvent extraction, precipitation |
| 04/03/1984 | US4440713 Process for making fine magnetic ferrite powder and dense ferrite blocks |
| 04/03/1984 | US4440569 Recovery of zinc from zinc-containing sulphidic material |
| 03/27/1984 | US4439231 Preparation of acicular ferromagnetic metal particles consisting essentially of iron |
| 03/20/1984 | USRE31540 Separation of high grade magnetite from fly ash |
| 03/14/1984 | EP0102819A1 Barium ferrite particles for magnetic recording media |
| 03/13/1984 | US4436681 Process for producing iron oxide weighting material from iron chloride solutions |
| 03/13/1984 | CA1163421A1 Process for preparing potassium ferrate (k.sub.2feo.sub.4) |
| 02/21/1984 | US4432868 Coal cleaning |
| 02/15/1984 | EP0100484A1 Method of manufacturing cobalt-epitaxial layered iron oxides for magnetic recording |
| 02/14/1984 | US4431613 Leaching of sulphidic mattes containing non-ferrous metals and iron |
| 02/07/1984 | US4430160 Process for enhancing the thermal decomposition of solid matter |
| 01/31/1984 | US4428912 From chlorination of aluminum in clay or bauxite |
| 01/24/1984 | US4427639 Ion exchange process |
| 01/11/1984 | EP0097900A2 Process for the preparation of acicular ferromagnetic iron oxides |
| 01/10/1984 | US4425250 Preparation of finely divided ferrite powders |
| 12/27/1983 | US4423158 Ion adsorbent for metals having a coordination number greater than two |
| 12/27/1983 | US4422910 Electrolytic oxidation of suspension of iron/ii/ compound |
| 12/27/1983 | CA1159224A1 Compounds formed by combining transition metal halides or oxyhalides, or aluminium chloride, with alkaline earth metal halides |
| 12/20/1983 | CA1158837A1 Method of preparing gamma ferric hydroxyoxide powder |
| 12/07/1983 | EP0095978A1 Process for treating water by means of ferric polychloride |
| 12/07/1983 | EP0095783A2 Catalyzed aldol condensations |
| 12/06/1983 | USRE31456 High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid |
| 11/30/1983 | EP0095358A1 Method of recovering metal values from superalloy scrap |
| 11/30/1983 | EP0094983A1 Process for removing transition metal ions from an aqueous solution with a reticular ion exchange resin containing a crystalline transition metal aluminate |
| 11/29/1983 | US4417997 Method for recovery of metals from spent iron-chrome shift catalyst and method of forming new catalyst |
| 11/29/1983 | US4417996 Aqueous basic polyaluminum-iron halide solutions |
| 11/08/1983 | US4414245 Process for producing cobalt containing ferromagnetic iron oxides |
| 11/08/1983 | US4414196 From amorphous ferric hyudroxide, seeding, growth regulator |
| 11/08/1983 | US4414124 Method of producing barium-ferrite series powder |
| 11/08/1983 | CA1156642A1 Method for preparing a cation exchanger and method for using such an exchanger for extracting metals from liquids |
| 11/02/1983 | EP0092562A1 Chlorination of an aluminous material |
| 10/27/1983 | WO1983003595A1 Hydrous iron oxide adsorbent, process for preparing the same and process for using the same in the extraction of tungsten and/or molybdenum from solution |