Patents
Patents for C01G 1 - Methods of preparing compounds of metals not covered by subclasses , , , , in general (5,322)
07/1990
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
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
06/27/1990EP0374392A1 Process for the production of a ceramic high-temperature superconductor in wire or tape form
06/27/1990EP0374263A1 Oxide superconductive material and process for its production
06/27/1990CA2004702A1 Superconductive ceramic oxide combination
06/26/1990USRE33243 Process for treating a metal oxide powder
06/22/1990CA2006402A1 Process for the production of metals, alloys and ceramic materials
06/20/1990EP0373220A1 Superconducting oxide material and method of obtaining it
06/20/1990EP0373180A1 Process for increasing the density and improving the homogeneity of chevrel phase powders and chevrel phase wire obtained using said process
06/14/1990WO1990006598A1 Homogeneous high temperature superconductors and process for making them
06/14/1990WO1990006286A1 Methods for processing superconducting materials
06/12/1990US4933317 Bismuth oxide superconductors, and devices and systems comprising such a superconductor
06/12/1990US4933139 Uniform high density
06/06/1990EP0371780A1 Multi-element metal chalcogenide
06/06/1990EP0371481A2 Laminated film and method for producing the same
06/06/1990EP0371152A1 Metal oxide powders, their mixtures, mixed metal oxide powders, their mixtures and use thereof for the catalytic dehydrogenation of hydrocarbons
06/05/1990US4931425 Process for chemical vapor deposition of superconductive oxide
06/05/1990CA2004587A1 Methods for processing superconducting materials
06/05/1990CA1270001A1 Oligomerization of olefins
05/1990
05/30/1990EP0370605A2 Superconductor layer and substrate supporting same
05/30/1990EP0370480A1 Process for the production of high purity zirconium tetrafluoride and other fluorides
05/29/1990US4929597 Barium, yttritium cuprate
05/29/1990US4929595 Superconducting thin film fabrication
05/29/1990US4929594 Thallium, barium, copper oxides
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
05/17/1990WO1990005384A1 Superconducting metal oxide compositions and processes for manufacture and use
05/17/1990WO1990005115A1 Phosphonic acids and their uses in separation
05/16/1990EP0368765A2 Oxide superconducting material and process for preparing the same
05/15/1990US4925646 Using a metal halide scavenger
05/11/1990CA2002843A1 Oxide superconducting material and process for preparing the same
05/09/1990EP0366721A1 Improved process for making 90 k superconductors
05/09/1990CN1042023A Superconductors
05/03/1990WO1990004857A1 EPITAXIAL Ba-Y-Cu-O SUPERCONDUCTOR FILM
05/03/1990WO1990004856A1 Improvements in and relating to superconducting composite conductors
05/03/1990WO1990004573A1 Superconducting metal oxide compositions and processes for manufacture and use
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
05/02/1990EP0365719A2 Preparation of doped materials containing barium or strontium and iron
05/02/1990CA2002022A1 Superconducting metal oxide compositions and processes for manufacture and use
04/1990
04/26/1990CA2001422A1 Superconducting metal oxide compositions and processes for manufacture and use
04/25/1990EP0364946A2 Method for making a superconductive metal-matrix composite
04/25/1990EP0364573A1 Electrochemically controlled superconductivity
04/25/1990EP0364494A1 Improved process for making 90 k superconductors
04/18/1990EP0363940A2 An oxide superconductor composition and a process for the production thereof
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
04/11/1990EP0362898A2 Apparatus and method for separating gases
04/11/1990EP0362492A2 Process for producing high temperature superconductor and shaped product thereof
04/11/1990EP0362237A1 Superconducting materials, methods and derivated devices
04/11/1990EP0271575B1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
04/11/1990CN1041237A Method for film forming of bismuth system complex oxide superconductive film
04/10/1990US4916114 Method for producing a layer-like composition of oxide-ceramic superconducting material
04/10/1990EP0341266A4 Superconductivity in square-planar compound systems.
04/05/1990WO1990003265A1 Passivation layers for high temperature superconductors
04/04/1990EP0362157A2 Process for converting ionic valence number and apparatus employed therefor
04/04/1990EP0361963A2 R-T1-Sr-Ca-Cu-O superconductors and processes for their preparation
04/04/1990EP0361265A1 Production of thin films of a high temperature superconductor by a plasma-activated PVD process
04/04/1990CN1041058A Process for producing high-temp. superconductor and also shaped bodies composed thereof
04/04/1990CN1007480B Superconductive device
03/1990
03/29/1990DE3831383A1 Process for producing a superconducting body
03/28/1990EP0360662A1 Precursor compositions for superconducting ceramics, their preparation and use
03/28/1990EP0360550A2 Fibres of YBa2 Cu3 O7
03/27/1990US4912087 Rapid thermal annealing of superconducting oxide precursor films on Si and SiO2 substrates
03/27/1990US4911800 Electrochemically controlled superconductivity
03/27/1990CA1266993A2 Method of separating oil or bitumen from a surface of a substrate covered with same
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.
03/21/1990EP0359411A2 High-frequency substrate material for thin-film layered perovskite 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
03/21/1990EP0358974A2 Process for forming thin film of superconductive compound metal oxide
03/21/1990EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis
03/14/1990EP0358545A2 Improvement in a process for producing thallium type superconducting thin film
03/14/1990EP0358530A2 Novel method for producing ceramic bodies
03/14/1990EP0358049A2 Oriented polycrystalline superconductor
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%
03/13/1990US4907731 Dynamic high pressure process for fabricating superconducting and permanent magnetic materials
03/08/1990WO1990002215A1 Preparation of superconductive ceramic oxides using ozone
03/08/1990WO1990002098A1 Superconducting metal oxide compositions
03/07/1990EP0357507A2 Superconducting article containing thallium
03/07/1990EP0357500A1 Process for preparing a bismuth-type superconducting thin film
03/07/1990EP0357254A1 High purity superconducting compositions and methods for their fabrication
03/07/1990EP0356722A1 Oxide superconductor and method of producing the same
03/06/1990US4906609 Fabrication of superconducting oxide wires by powder-in-tube method
02/1990
02/28/1990EP0356352A2 Yttrium rich conductive articles and processes for their preparation
02/28/1990EP0356231A2 Process for making Tl-Ba-Ca-Gu-O superconductors
02/28/1990EP0355888A1 Method of manufacturing a device comprising a film of an oxidic superconducting material
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