| Patents for C01G 51 - Compounds of cobalt (4,198) |
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| 11/08/1989 | EP0341119A1 Process for treating scrap containing rare earths and cobalt |
| 10/31/1989 | US4877743 Monitoring reaction of nitrous oxide to form nitrogen |
| 09/26/1989 | CA1261589A1 Predetermined and enhanced densification in sintered metal oxides |
| 09/26/1989 | CA1260422A1 Process for cracking heavy hydrocarbon to produce olefins and liquid hydrocarbon fuels |
| 09/13/1989 | EP0332447A1 Selective removal of metal cations from aqueous effluent solutions |
| 09/05/1989 | CA1258959A1 Useful cobalt carbonate slurries |
| 08/01/1989 | US4853199 Method for producing crystalline complex perovskite compounds |
| 07/13/1989 | WO1989006219A1 Yttrium-barium-cobalt oxide conductive compositions |
| 07/11/1989 | CA1257260A1 Triazolopyrimidine extractants |
| 06/27/1989 | US4842641 Synthesis of iron-cobalt powders |
| 06/20/1989 | US4840925 Compositions of transition metal manganites in the form of particles or ceramics, their preparation and their use in the production of thermistors |
| 06/20/1989 | US4840776 Method for removing sodium and ammonia from cobalt |
| 06/20/1989 | US4840775 Method for removing sodium and chloride from cobaltic hydroxide |
| 06/13/1989 | US4839327 Method for the production of ultra-fine gold particles immobilized on a metal oxide |
| 05/30/1989 | US4834798 Corrosion resistant refractory coating |
| 05/24/1989 | CN1033077A Method for recovery of metals from chloride solutions |
| 05/24/1989 | CN1033039A Extraction method of cobalt (manganese) acetate |
| 04/25/1989 | CA1252995A1 Method for the preparation of fine hexagonal ferrite powders, in particular, for magnetic recording |
| 04/19/1989 | CN1032466A Superconducting material and method of manufacturing same |
| 04/05/1989 | CN1032260A Method of manufacturing superconductors and products |
| 04/04/1989 | CA1252097A1 Process for the extraction of metal values using hydrocyclic compounds containing two nitrogen hetero-atoms and metal extractants |
| 03/29/1989 | EP0309323A1 Process of manufacturing superconductors and therewith obtained products |
| 03/29/1989 | EP0309322A1 Superconducting materials and process of manufacturing |
| 03/28/1989 | US4816243 Hydrazine reducing agents |
| 03/15/1989 | EP0306973A2 Manufacturing method for superconducting ceramics and products thereof |
| 03/14/1989 | US4812300 Mixed metal oxides |
| 03/07/1989 | US4810402 Homogeneous mixture of required cations with thermally decomposable anion |
| 03/07/1989 | US4810401 Superparamagnetic solid particles |
| 02/14/1989 | CA1249924A1 Air electrode material for high temperature electrochemical cells |
| 02/07/1989 | US4803291 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic acicular particles, the preparation of same and application thereof |
| 02/01/1989 | EP0301783A2 Method for the recovery of metals from chloride solutions |
| 12/06/1988 | US4789494 Magnetic recording media |
| 12/01/1988 | WO1988009389A1 Separation and recovery of nickel and cobalt in ammoniacal systems |
| 11/29/1988 | US4788095 Metal oxide magnetic substance and a magnetic film consisting thereof and their uses |
| 11/22/1988 | US4786430 Glassy boron matrix |
| 11/01/1988 | US4781852 Magnetic recording media |
| 10/25/1988 | US4780232 Process for preparing selected, doped magnetite/carbonate co-precipitates |
| 09/20/1988 | US4772754 Process for the isolation of p-hydroxybenzaldehyde |
| 08/23/1988 | US4765920 High temperature process for producing fine magnetic particles of M-phase structure |
| 08/16/1988 | US4764300 Preparation of finely divided and acicular hexagonal ferrites and their use for the production of magnetic recording media and plastoferrites |
| 08/09/1988 | US4762961 Preparation of vanadium III oxidic compounds and dehydrogenation of paraffins |
| 08/09/1988 | CA1240157A1 Process for the production of cobalt, nickel and copper powders from chelating extractants |
| 08/03/1988 | EP0276765A2 Solid matter for the preparation of hexagonal ferrite |
| 07/20/1988 | EP0275151A2 Method for producing crystalline complex perovskite compounds |
| 06/29/1988 | EP0272964A1 Manufacturing process of zinc oxide-doped powders by coprecipitation |
| 05/31/1988 | US4748278 Process for the isolation of p-hydroxybenzaldehyde |
| 05/31/1988 | US4748139 Preparation of precursor materials convertible into bi- and poly-metal spinels |
| 04/19/1988 | US4739054 For metals |
| 04/12/1988 | US4737355 Preparation of vanadium III oxidic compounds, and dehydrogenation of paraffins |
| 04/06/1988 | EP0262964A2 Recovery of nickel or cobalt from solvent extraction strip solutions |
| 04/05/1988 | US4735629 Method for producing a double hydroxide active material |
| 03/30/1988 | EP0261590A2 Process for the preparation of metal oxides or mixed metal oxides |
| 01/26/1988 | US4721606 Recovery of metal values from spent catalysts |
| 01/26/1988 | US4721605 Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| 01/12/1988 | US4719148 Magnetic head having a core of Mn-Zn-Co ferrous ferrite |
| 01/12/1988 | US4719127 Metal oxide film |
| 12/16/1987 | EP0249229A2 Superparamagnetic solid particles |
| 12/09/1987 | EP0248620A2 Preparation of bi-and poly-metal spinel precursors and product thereof |
| 11/19/1987 | EP0059212B1 Magnesium aluminium spinels |
| 10/14/1987 | EP0241149A2 Value recovery from spent alumina-base catalysts |
| 10/14/1987 | EP0240530A1 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic needle shaped particles, preparation and application thereof. |
| 09/29/1987 | US4696875 Positive electrode for alkaline storage cells |
| 09/29/1987 | US4696700 Inorganic pigments and process for their production |
| 09/29/1987 | CA1227339A1 Process for metal recovery by solvent extraction from caso.sub.4 containing sulfate solutions |
| 09/16/1987 | EP0237081A2 Process for the preparation of complex perovskite type compounds |
| 09/16/1987 | EP0236542A2 Novel organic phosphinic acid compounds |
| 09/01/1987 | US4690710 Process for producing cobalt metal powder |
| 08/18/1987 | CA1225652A1 Solvent extraction of cobalt using hydroxamic acids |
| 08/11/1987 | US4686142 Process for the production of iron oxides epitaxially coated with cobalt the coated oxides and their cue |
| 07/14/1987 | US4680168 Extraction of Group 8 metals from organic solutions |
| 07/14/1987 | US4680130 Preparation of finely divided isotropic ferrite powders having the spinel structure |
| 07/14/1987 | US4680098 Electrodialysis |
| 06/23/1987 | US4675172 Copper, cadmium, cobalt, zinc |
| 06/09/1987 | US4671821 Extracting cobalt from aqueous solutions containing nickel with mono-ester of benzylphosphonic acid |
| 05/27/1987 | EP0223050A2 Fine isometric hexaferrite pigments, process for preparing same and use thereof |
| 05/12/1987 | US4664831 Preparation of finely divided ferrite powders |
| 05/05/1987 | CA1221244A1 Recovering metals from spent hydroprocessing catalysts |
| 04/14/1987 | US4657745 Value recovery from spent alumina-base catalyst |
| 04/09/1987 | WO1987002033A1 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic needle shaped particles, preparation and application thereof |
| 02/04/1987 | EP0210387A1 Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| 02/04/1987 | EP0137048B1 Extractant for use in extractive separation of nickel and cobalt and process of using same |
| 01/28/1987 | EP0209798A2 Process for the isolation of p-hydroxybenzaldehyde |
| 01/27/1987 | CA1217097A1 Aqueous chemical suspension for pyrolytic deposition of metal-containing film |
| 01/21/1987 | EP0209272A1 Extracting metal values from metal containing particles |
| 12/30/1986 | EP0206885A1 Composition of manganites of transition metals in the form of particles or in the form of ceramics, its preparation and its use in the manufacture of thermistors |
| 12/30/1986 | EP0206377A2 Extraction of transition metals from organic solutions |
| 12/23/1986 | CA1215507A1 Production of ferrimagnetic spinel fibers |
| 12/10/1986 | EP0204239A2 Rechargeable positive electrode for accumulators with alkaline electrolytes |
| 12/03/1986 | EP0203470A2 Process for the production of particulate acicular hexagonal ferrites and their use in the production of magnetic-recording media and plastoferrites |
| 12/02/1986 | US4627064 Mixed oxides for tunable lasers |
| 11/26/1986 | EP0202824A2 Oxidation process |
| 11/11/1986 | US4622159 Method for the preparation of fine hexagonal ferrite powders, in particular, for magnetic recording |
| 10/28/1986 | US4619816 Recovery of cobalt from ammoniacal solutions containing cobalt and nickel |
| 10/22/1986 | EP0128181B1 Cathode material for alkali-metal rechargeable cell |
| 10/21/1986 | CA1212840A1 Control of silica scaling during acid leaching of lateritic ore |
| 09/16/1986 | US4612039 Production of pure cobalt metal powder |
| 09/09/1986 | US4610861 Process for metal recovery by solvent extraction from CaSO4 containing sulfate solutions |
| 09/02/1986 | CA1210568A1 Ferrimagnetic spinel fibers |
| 08/26/1986 | US4608235 Oxidation of alloy in fused sodium hyrooxide |
| 08/26/1986 | CA1210218A1 Complex metal chalocogenides |