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