Patents for C01G 3 - Compounds of copper (3,934) |
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08/14/1990 | US4948779 Yttrium-barium-copper oxide |
08/11/1990 | CA2048622A1 Oriented grained y-ba-cu-o superconductors having high critical currents and method for producing same |
08/09/1990 | WO1990008731A2 Preparation of a uniform mixed metal oxide |
08/08/1990 | CN1009139B Layered copper oxide super conductor compound |
08/01/1990 | EP0380347A1 Superconducting oxide material and a method for producing the same |
08/01/1990 | EP0380318A2 Process for making superconducting wires |
07/31/1990 | US4944935 Process for producing copper hydroxide |
07/24/1990 | US4943558 Barium copper oxide containing yttrium or rare earth |
07/24/1990 | US4943557 Method of making a high density YBa Cu3 Ox superconductor material |
07/18/1990 | EP0377566A1 Process embodiments for improving the electrical properties of conductors |
07/12/1990 | WO1990007591A1 Method for preparing thin film of oxide superconductor and base used in the preparation |
07/10/1990 | CA2007360A1 Preparation of a uniform mixed metal oxide |
07/04/1990 | EP0376865A2 Superconducting thick films for hybrid circuitry applications |
07/04/1990 | EP0376864A2 Coating composition for forming conductive films |
07/04/1990 | EP0376863A2 A process of forming conductive films |
07/04/1990 | EP0376862A2 A superconductive ceramic oxide combination |
07/03/1990 | US4939308 Method of forming crystallite-oriented superconducting ceramics by electrodeposition and thin film superconducting ceramic made thereby |
07/03/1990 | US4939049 Non-aqueous electrolyte cell and method of producing the same |
06/29/1990 | CA2005224A1 Superconducting thick films for hybrid circuitry applications |
06/29/1990 | CA2005223A1 Process of forming conductive films |
06/29/1990 | CA2005222A1 Coating composition for forming conductive films |
06/28/1990 | WO1990007012A1 Process for the production of metals, alloys and ceramic materials |
06/27/1990 | EP0374689A2 High temperature superconductor materials and method for preparation |
06/27/1990 | EP0374263A1 Oxide superconductive material and process for its production |
06/27/1990 | EP0252912B1 Immobilised extractants |
06/27/1990 | CA2004702A1 Superconductive ceramic oxide combination |
06/22/1990 | CA2006402A1 Process for the production of metals, alloys and ceramic materials |
06/20/1990 | EP0373420A1 Process for the separation of copper from aqueous basic solutions |
06/14/1990 | WO1990006598A1 Homogeneous high temperature superconductors and process for making them |
06/14/1990 | WO1990006286A1 Methods for processing superconducting materials |
06/14/1990 | WO1990006285A1 RenQ2nCu3n+1Ox SUPERCONDUCTING OXIDES |
06/12/1990 | US4933404 Processes for microemulsion polymerization employing novel microemulsion systems |
06/10/1990 | CA2004692A1 Process for separating copper from aqueous base solutions |
06/05/1990 | US4931425 Process for chemical vapor deposition of superconductive oxide |
06/05/1990 | CA2004587A1 Methods for processing superconducting materials |
05/30/1990 | EP0370605A2 Superconductor layer and substrate supporting same |
05/29/1990 | US4929597 Barium, yttritium cuprate |
05/29/1990 | US4929595 Superconducting thin film fabrication |
05/28/1990 | CA2003876A1 Homogenous high temperature superconductors and process for making them |
05/23/1990 | EP0369117A2 Preparation of metal oxide powders |
05/23/1990 | EP0368895A1 Improved process for making 90 k superconductors |
05/22/1990 | CA1269491A1 Recovery of ammoniacal copper with organogels |
05/16/1990 | CN1008005B Colour hollow spherical corpuscle magnetic powder for magnetic flaw detecting and mfv. thereof |
05/15/1990 | US4925642 Process for the preparation and the isolation of aromatic nitriles |
05/09/1990 | EP0366721A1 Improved process for making 90 k superconductors |
05/08/1990 | US4923849 Barium, copper, yttrium oxide |
05/03/1990 | WO1990004857A1 EPITAXIAL Ba-Y-Cu-O SUPERCONDUCTOR FILM |
05/03/1990 | WO1990004568A1 Method and composition for improving flux pinning and critical current in superconductors |
05/02/1990 | EP0366313A1 Method of producing mixed metal oxide material, and of producing a body comprising the material |
04/25/1990 | EP0364573A1 Electrochemically controlled superconductivity |
04/25/1990 | EP0364494A1 Improved process for making 90 k superconductors |
04/18/1990 | EP0363927A2 Process for the preparation of a suspension containing spherical oxide particles |
04/18/1990 | EP0363438A1 Improved process for making 90 k superconductors |
04/18/1990 | EP0363435A1 Improved process for making superconductors. |
04/17/1990 | US4918051 Pyrolysis of neodecanoates fo barium, europium and copper to oxide; heat treatment for grain growth |
04/12/1990 | DE3932423A1 Supraleitender polykristalliner koerper und verfahren zu seiner herstellung A superconducting polycrystalline body and process for its preparation |
04/11/1990 | EP0362237A1 Superconducting materials, methods and derivated devices |
04/10/1990 | EP0341266A4 Superconductivity in square-planar compound systems. |
04/04/1990 | EP0362157A2 Process for converting ionic valence number and apparatus employed therefor |
04/04/1990 | EP0361265A1 Production of thin films of a high temperature superconductor by a plasma-activated PVD process |
04/04/1990 | EP0361060A1 Sulfur and nitrogen-containing hydrocarbon compounds and process using same in recovering and concentrating desired ions from solutions thereof |
04/04/1990 | CN1007480B Superconductive device |
03/29/1990 | DE3831383A1 Process for producing a superconducting body |
03/27/1990 | US4912087 Rapid thermal annealing of superconducting oxide precursor films on Si and SiO2 substrates |
03/27/1990 | US4911800 Electrochemically controlled superconductivity |
03/22/1990 | WO1990003047A1 Superconducting 2-4-7 oxides |
03/22/1990 | WO1990002715A1 Novel method for producing ceramic bodies |
03/22/1990 | EP0363435A4 Improved process for making superconductors. |
03/21/1990 | EP0358997A1 Process for producing by calcining and reactive sintering a high-temperature superconductor of the type REBa2Cu306,5+y |
03/21/1990 | EP0358980A1 Bulk shape high-temperature superconductor, and method for its manufacture |
03/21/1990 | CN1040572A Manufacturing method for ceramics and products thereof |
03/14/1990 | EP0358530A2 Novel method for producing ceramic bodies |
03/14/1990 | EP0357683A1 Improved process for making 90 k superconductors |
03/13/1990 | US4908346 Crystalline rare earth alkaline earth copper oxide thick film circuit element with superconducting onset transition temperature in excess of 77% |
03/08/1990 | WO1990002215A1 Preparation of superconductive ceramic oxides using ozone |
03/08/1990 | WO1990002106A1 Method for preparation of superconductor powders |
03/07/1990 | EP0357254A1 High purity superconducting compositions and methods for their fabrication |
02/28/1990 | EP0356352A2 Yttrium rich conductive articles and processes for their preparation |
02/28/1990 | EP0355885A2 Process for the preparation of yellow cuprous oxide |
02/28/1990 | EP0355736A2 Process for the production of an inorganic thin film on a substrate by means of a target |
02/28/1990 | EP0355383A1 Process for solubilization |
02/28/1990 | EP0355252A2 Manufacturing method for ceramics and products thereof |
02/28/1990 | EP0355165A1 Process of manufacturing target used for formation of superconductive film |
02/27/1990 | US4904638 Method of producing superconducting ceramics by co-precipitation of carbonates |
02/22/1990 | WO1990001809A1 EPITAXIAL Ba-Y-Cu-O SUPERCONDUCTOR FILM ON PEROVSKITE STRUCTURE SUBSTRATE |
02/21/1990 | EP0355045A2 Composition comprising a macrocyclic compound and an organic acid and its use in metal extraction |
02/21/1990 | EP0354963A1 Process for producing superconductive ceramic sinter |
02/14/1990 | EP0354720A2 Yttrium-barium-copper oxide powder and process for manufacturing yttrium-barium-copper oxide superconducting sintered body |
02/13/1990 | US4900715 Method of preparing superconducting "orthorhomibic"-type compounds in bulk using C1 -C6 alkanoic acid salts |
02/13/1990 | US4900536 Preparation of precursors for yttrium-containing ceramic superconductors |
02/13/1990 | CA1265877A1 Collectors for the froth flotation of mineral values |
02/07/1990 | EP0353595A2 Synthesis of lanthanum-alkaline earth-copper-oxygen superconductive material |
02/07/1990 | CN1006689B Recovery of usable mineral from ore by foaming agent composite and foaming flotation |
02/06/1990 | US4898851 Which is heated in an oxygen containing atmosphere while cooling |
02/06/1990 | CA1265535A1 Removal of impurities from amines |
02/06/1990 | CA1265503A1 Composition and use of the composition for the extraction of metals from aqueous solutions |
01/31/1990 | CN1006666B Composition of supraconductor |
01/30/1990 | US4897378 Preparation of thin film superconducting oxides |
01/24/1990 | EP0352201A2 Conductive articles made from mixed metal oxides, and processes for their preparation |
01/23/1990 | US4895832 From yttrium, barium, copper salts; oxalic acid; urea |