Patents for C01G 53 - Compounds of nickel (5,111) |
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03/28/1989 | US4816243 Hydrazine reducing agents |
03/28/1989 | US4816236 Blending with alkali metal source, roasting, fusing, leaching with water, and filtration |
03/15/1989 | EP0306973A2 Manufacturing method for superconducting ceramics and products thereof |
03/14/1989 | US4812300 Mixed metal oxides |
03/08/1989 | EP0306334A2 Macrocyclic ligands bonded to silica or silica gel and their use in selectively and quantitatively removing and concentrating ions present at low concentrations from mixtures thereof with other ions |
03/07/1989 | US4810401 Superparamagnetic solid particles |
02/22/1989 | EP0304243A1 Production of ceramic powders by emulsion precipitation processes and the products thereof |
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 |
12/29/1988 | WO1988010499A1 Process for forming thin film of oxide superconductor |
12/29/1988 | WO1988010323A1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor |
12/14/1988 | CN87103814A Recovery and purification of nickel sulfate from nickel-plating wastes by electrolysis |
12/06/1988 | US4789494 Magnetic recording media |
12/01/1988 | WO1988009389A1 Separation and recovery of nickel and cobalt in ammoniacal systems |
11/15/1988 | US4784686 Synthesis of ultrafine powders by microwave heating |
11/02/1988 | EP0288819A1 Process for the preparation of dialkyldithiocarbamates of polyvalent metals |
10/05/1988 | CN87101713B Process for recovering nickel tetracarbonyl from waste renik nickel catalyst |
10/04/1988 | CA1242682A1 Removal of inorganic contaminants from catalysts |
09/27/1988 | CA1242327A1 Process for removing metals from aluminosilicate materials |
09/20/1988 | US4772754 Process for the isolation of p-hydroxybenzaldehyde |
08/31/1988 | CN87101713A Process for recovering nickel tetracarbonyl from waste renik nickel catalyst |
08/23/1988 | US4765920 High temperature process for producing fine magnetic particles of M-phase structure |
08/10/1988 | EP0277245A1 Process for producing complex oxide to be used for producing ferrite |
08/09/1988 | US4762961 Preparation of vanadium III oxidic compounds and dehydrogenation of paraffins |
08/09/1988 | US4762694 Molten salt extraction process for the recovery of valued transition metals from land-based and deep-sea minerals |
08/09/1988 | CA1240157A1 Process for the production of cobalt, nickel and copper powders from chelating extractants |
07/20/1988 | EP0275151A2 Method for producing crystalline complex perovskite compounds |
07/12/1988 | US4757036 Microcrystalline transition metal oxide spinel articles |
06/29/1988 | EP0272964A1 Manufacturing process of zinc oxide-doped powders by coprecipitation |
06/14/1988 | USRE32694 Separation of cobalt and nickel by solvent extraction |
06/14/1988 | US4751070 Low temperature synthesis |
06/14/1988 | CA1237900A1 Method for leaching and recovering vanadium from vanadium bearing by-product materials |
06/07/1988 | CA1237644A1 Process for treating and recovering pickling waste liquids for stainless steel |
05/31/1988 | US4748278 Process for the isolation of p-hydroxybenzaldehyde |
05/31/1988 | US4747957 Brine treatment using ethylene carboxylic acid polymers |
05/31/1988 | US4747954 Ethylene-unsaturated acid copolymer |
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 |
02/23/1988 | US4726937 Heating, volatization, separation, then acidification |
02/11/1988 | WO1988000925A1 Process for producing complex oxide to be used for producing ferrite |
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 |
12/16/1987 | EP0249229A2 Superparamagnetic solid particles |
10/14/1987 | EP0241278A2 Method of separating and purifying tantalum and niobium-containing compounds |
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 |
09/16/1987 | EP0237081A2 Process for the preparation of complex perovskite type compounds |
09/16/1987 | EP0236306A1 Removal of inorganic contaminants from catalysts |
07/14/1987 | US4680130 Preparation of finely divided isotropic ferrite powders having the spinel structure |
07/08/1987 | EP0227893A2 Method of removing metal contaminants from solutions |
07/01/1987 | EP0227374A2 Microcrystalline transition metal oxide spinel articles |
05/12/1987 | US4664831 Preparation of finely divided ferrite powders |
05/05/1987 | US4663145 Inert balls, pyrolysis |
05/05/1987 | CA1221244A1 Recovering metals from spent hydroprocessing catalysts |
04/28/1987 | US4661634 Filtration through porous polymer particles in fiber form |
04/28/1987 | US4661240 Low sulfur coke using dispersed calcium |
04/15/1987 | CN85109643A Collecting agent for foam-floatation of the useful component in ore |
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 |
03/25/1987 | CN85106476A Recovery of usable mineral from ore by foaming agent composite and foaming flotation |
03/24/1987 | US4652352 Process and apparatus for recovering metals from dilute solutions |
03/18/1987 | CN85107378A Foaming agent composition and process for foam-flotation of regainning effective coal from raw coal |
03/12/1987 | WO1987001303A1 Removal of inorganic contaminants from catalysts |
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 |
01/21/1987 | EP0209272A1 Extracting metal values from metal containing particles |
01/13/1987 | US4636248 Method for production of dielectric powder |
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 |
12/23/1986 | CA1215507A1 Production of ferrimagnetic spinel fibers |
12/10/1986 | EP0204239A2 Rechargeable positive electrode for accumulators with alkaline electrolytes |
12/09/1986 | US4627900 Electrochemical dissolution and control of nickel sulfide scale |
12/02/1986 | US4627064 Mixed oxides for tunable lasers |
12/02/1986 | CA1214650A1 Process for the recovery of cadmium and other metals from solution |
11/26/1986 | EP0202824A2 Oxidation process |
11/25/1986 | CA1214335A1 Hydrodynamic recycle of metallic sulfide seed under pressure |
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 |
10/14/1986 | CA1212517A1 Oxygen-deficient, barium-containing perovskites |
09/02/1986 | CA1210746A1 Recovering metal compounds from used catalysts obtained from hydroprocessing hydrocarbon feedstocks |
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 |
08/19/1986 | US4606846 Mixed rare earth metal, divalent transition metal, aluminum oxide |
08/19/1986 | CA1209785A1 Compositions |
08/05/1986 | US4604266 Process for purifying molybdenum trioxide |
07/30/1986 | EP0188868A1 Ceramic compound and air electrode materials for high-temperature electrochemical cells |
07/22/1986 | CA1207981A1 Production of fine ferrimagnetic spinels |
07/15/1986 | CA1207537A1 Hydrogenation of carbonaceous material |
06/04/1986 | EP0183501A1 Improved separation extraction process for immiscible liquids |
05/13/1986 | US4588576 Production of microcrystalline zirconia |
05/13/1986 | US4588575 Production of microcrystalline metal oxides |
04/29/1986 | US4585628 Oxidation, com-lexing, solvent extraction |
04/16/1986 | EP0178269A2 Method for the preparation of fine hexagonal ferrite powders, in particular, for magnetic recording |
04/15/1986 | CA1203071A1 Catalyzed aldol condensations |