| Patents for C01G 53 - Compounds of nickel (5,111) |
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| 09/03/1992 | WO1992014494A1 Layered mixed metal hydroxides for the stabilization of radioactive colloids |
| 08/12/1992 | EP0498566A1 Composite metal hydroxide and its use |
| 08/11/1992 | US5137709 Layered mixed metal hydroxides for the stabilization of radioactive colloids |
| 07/23/1992 | DE4119499C1 Ceramic powder sinters for fuel cells - intensively mixes starting materials esp. nitrate(s) in water and citric acid and concentrates soln. until unstirrable before azeotropic distn. |
| 07/01/1992 | CN1017265B Preparation for nickel salt by ac electrolysis |
| 06/25/1992 | DE4122586C1 Prodn. of e.g. potassium beta- or beta alumina powder giving ceramics of good ion conduction etc. - by attrition of cubic densely packed alumina with dopant, calcination in atmos. contg. oxygen@, potassium oxide or rubidium oxide then in atmos. contg. oxygen@ |
| 06/17/1992 | CN1017101B Superconducting material and method of manufacturing same |
| 06/02/1992 | US5118659 Rare earth, alkaline earth and transition metal oxides, solubilizing, atomizing, calcining |
| 06/02/1992 | CA1302383C Transition metal dichalcogenide catalysts |
| 05/20/1992 | EP0486236A1 Zinc sulfide optical elements |
| 05/06/1992 | EP0483259A1 COMPOSITIONS DERIVED FROM Bi4V2O11. |
| 04/29/1992 | EP0482444A1 Process for preparing zinc oxide pigments doped with metal oxides |
| 04/28/1992 | US5108721 Leaching in dilute sulfuric acid to solubilize nickel, leaching again to solubilize copper and tellurium |
| 04/22/1992 | EP0481892A1 Process for producing inorganic particulate material in the form of fine balls approximately uniform in size |
| 04/17/1992 | CA2077215A1 Inorganic particulate material comprising fine balls of uniform size and process for producing same |
| 03/10/1992 | CA1297131C Process for the isolation of p-hydroxybenzaldehyde |
| 02/18/1992 | US5089222 Sintering mixture of metal sulfides, metallic molybdenum and molybdenum sulfide in inert gas containing reducing gas; superconductors |
| 02/18/1992 | CA1295807C Coprecipitation method for the manufacture of zinc oxyde based doped powders |
| 02/05/1992 | EP0469463A1 Metal-magnesium compounds, process for preparing same and the use thereof for the preparation of finely divided metal and alloy powders and intermetallic compounds |
| 01/29/1992 | EP0468942A2 Lithiated nickel dioxide and secondary cells prepared therefrom |
| 01/29/1992 | EP0277245B1 Process for producing complex oxide to be used for producing ferrite |
| 01/23/1992 | WO1992000808A1 Method of intercalation of perovskitic particles in the form of pillars into layered clays |
| 01/08/1992 | EP0422105A4 Metal oxide ceramic powders and thin films and methods of making same |
| 12/27/1991 | EP0462889A1 Process for the preparation of a metal hydroxide powder and the powder obtained |
| 12/24/1991 | US5075089 Calcining, forming intercalation compound with chromate, molybdates, vavadates, tungstates, or silicates |
| 12/19/1991 | WO1991020101A1 Method for preparing a metal hydroxide powder and powder thereby obtained |
| 12/19/1991 | CA2064220A1 Method for preparing a metal hydroxide powder and powder thereby obtained |
| 12/12/1991 | DE4118750A1 Sinterable powder prodn. from polymerisable metal carboxylate cpds. - by polymerising homogeneous mixt. and heating, useful for making special ceramics |
| 12/11/1991 | EP0460714A2 Preparation process for polar and apolar superparamagnetic fluids |
| 12/10/1991 | US5071827 Production of superconductor materials |
| 12/09/1991 | WO1991018835A1 Ethylene sorbing substances |
| 12/09/1991 | CA2082639A1 Ethylene sorbing substances |
| 11/13/1991 | CN1014698B Method for producing ammonium molybdate and nickel-ammonium sulphate from molybdenucm-nickel ore |
| 10/16/1991 | EP0451771A1 Gold conductor composition |
| 10/15/1991 | CA1290575C Leaching cobalt, molybdenum, nickel, and vanadium from spent hydroprocessing catalysts |
| 10/13/1991 | CA2040125A1 Gold conductor composition |
| 08/28/1991 | CN1054104A Preparation for nickel salt by ac electrolysis |
| 08/22/1991 | DE4103559A1 Nickel titanate powder prodn. by wet process - to obtain ultra-fine yellow-green cosmetic powder |
| 08/13/1991 | US5039502 Dissolving metals in nitric acid containing nitrous acid-forming additive; inhibition of ammonium nitrate formation |
| 07/02/1991 | US5028403 Metal recovery with monothiophosphinic acids |
| 06/11/1991 | CA1284844C Brine treatment using ethylene/carboxylic acid polymers |
| 05/22/1991 | EP0428389A2 Process for producing metal hydroxide sol |
| 05/22/1991 | EP0428387A2 Process for producing powder material for lead perovskite ceramic |
| 05/07/1991 | CA1283984C Removal of metals from solutions |
| 04/17/1991 | EP0422105A1 Metal oxide ceramic powders and methods of making same. |
| 04/03/1991 | CN1050367A Process for preparing nickel sulfate |
| 03/12/1991 | US4999323 Production of ceramic powders by emulsion precipitation processes and the products thereof |
| 01/19/1991 | WO1991001274A1 COMPOSITIONS DERIVED FROM Bi4V2O¿11? |
| 12/25/1990 | US4980080 Process of making a cathode material for a secondary battery including a lithium anode and application of said material |
| 12/12/1990 | CN1047633A Preparation of nitric acid rare earth nickelate catalyst with oxidized nitrogen |
| 12/05/1990 | EP0400311A2 Metal recovery with monothiophosphinic acids |
| 10/30/1990 | US4966749 Sintering a mixture of metal sulfides, metallic molybdenum and molybdenum sulfide under reduced pressure |
| 10/23/1990 | US4965116 Precipitation of cobalt hydroxide by sodium hypochlorite leaving nickel in solution |
| 10/17/1990 | EP0391992A1 Stabilised silver development nuclei and diffusion transfer receiving sheets. |
| 10/03/1990 | EP0390677A1 Process for the preparation of a cobalt substituted nickel hydroxide with alpha structures stable in alkaline medium and its use in an electrochemical generator |
| 09/26/1990 | EP0388808A2 Nickel hydroxide |
| 09/26/1990 | EP0364463A4 Separation and recovery of nickel and cobalt in ammoniacal systems |
| 09/19/1990 | EP0388245A1 Agent resistant to AIDS virus |
| 09/11/1990 | US4956154 Selective removal of chromium, nickel, cobalt, copper and lead cations from aqueous effluent solutions |
| 09/05/1990 | EP0261590B1 Process for the preparation of metal oxides or mixed metal oxides |
| 09/04/1990 | CA1273647A1 Production of ceramic powders by emulsion precipitation processes and the products thereof |
| 08/22/1990 | EP0383122A1 Process for the preparation of aquous metal nitrate solutions |
| 08/17/1990 | CA2009667A1 Process for the preparation of metal nitrates |
| 08/08/1990 | CN1044501A Method and apparatus for mfg. high-grade nickel matte |
| 05/22/1990 | US4927794 Aqueous, ammonia, ammonium salt, hydrogen peroxide |
| 05/15/1990 | US4925647 Process for the production of metal oxides or metal mixed oxides |
| 04/25/1990 | EP0364463A1 Separation and recovery of nickel and cobalt in ammoniacal systems. |
| 04/25/1990 | EP0240530B1 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic needle shaped particles, preparation and application thereof |
| 04/17/1990 | US4918035 Process for the preparation of complex perovskite type compounds |
| 03/27/1990 | CA1267164A1 Microcrystalline transition metal oxide spinel articles |
| 03/21/1990 | CN1040572A Manufacturing method for ceramics and products thereof |
| 03/08/1990 | WO1990002360A1 Stabilised silver development nuclei and diffusion transfer receiving sheets |
| 02/13/1990 | US4900522 Separation of nickel and cobalt from sulfate solutions by solvent extraction |
| 02/13/1990 | CA1265877A1 Collectors for the froth flotation of mineral values |
| 02/07/1990 | CN1006689B Recovery of usable mineral from ore by foaming agent composite and foaming flotation |
| 02/06/1990 | CA1265535A1 Removal of impurities from amines |
| 01/17/1990 | EP0350858A1 Process for separating nickel from diluted aqueous solutions containing nickel ions |
| 01/16/1990 | US4894185 Buffers to cause precipitation |
| 01/02/1990 | US4891130 Process for removing metals from aluminosilicate materials |
| 12/28/1989 | DE3920144A1 Orbital umgelagerte, monoatomare elemente, verfahrenzu ihrer herstellung und ihre weiterverarbeitung Orbital rearranged monoatomic, elements, verfahrenzu their production and their further processing |
| 12/14/1989 | WO1989012027A1 Metal oxide ceramic powders and thin films and methods of making same |
| 12/13/1989 | EP0345707A1 Process for the manufacture of a cathodic material for a secondary generator with a lithium anode, and use of said material |
| 11/21/1989 | US4882183 Coating with supersaturated liquid, fluorine additive |
| 10/31/1989 | US4877743 Monitoring reaction of nitrous oxide to form nitrogen |
| 10/11/1989 | EP0335987A1 Process for producing chevrel compounds |
| 09/13/1989 | EP0332447A1 Selective removal of metal cations from aqueous effluent solutions |
| 08/22/1989 | US4859787 Process for the preparation of dialkyldithiocarbamates of multivalent metals |
| 08/02/1989 | EP0325659A1 Complex compounds for forming thin film of oxide superconductor and process for forming thin film of oxide superconductor |
| 08/01/1989 | US4853199 Method for producing crystalline complex perovskite compounds |
| 07/12/1989 | CN1033784A Concentrated-acid ripening and extraction and depolymerizing-solution extraction technology of molybdenum-nickel ore |
| 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 |
| 06/14/1989 | EP0319585A1 Process for forming thin film of oxide superconductor |
| 06/13/1989 | US4839327 Method for the production of ultra-fine gold particles immobilized on a metal oxide |
| 04/25/1989 | CA1252995A1 Method for the preparation of fine hexagonal ferrite powders, in particular, for magnetic recording |
| 04/20/1989 | WO1989003368A1 Process for producing chevrel compounds |
| 04/19/1989 | CN1032466A Superconducting material and method of manufacturing same |
| 04/06/1989 | DE3732242A1 Process for treating residues containing non-ferrous metals |
| 04/05/1989 | CN1032260A Method of manufacturing superconductors and products |
| 03/29/1989 | EP0309323A1 Process of manufacturing superconductors and therewith obtained products |
| 03/29/1989 | EP0309322A1 Superconducting materials and process of manufacturing |