Patents for C01G 27 - Compounds of hafnium (508)
11/2006
11/30/2006DE102005024104A1 Preparation of elemental halide, useful for e.g. preparing elements e.g. aluminum (by dehalogenation), comprises contacting element containing material (with carbon material) with gaseous halogen and/or gaseous halo compounds under heating
10/2006
10/18/2006CN1849266A Electrically conductive fibers of Ti4O7 and Ti5O9
09/2006
09/06/2006CN1829567A Zirconia extrudates
07/2006
07/20/2006US20060159604 Pretreatment of refractory titaniferous ores
07/06/2006DE102004061698A1 Zirkon-Hafnium-Mischoxidpulver Zirconium-hafnium oxide powders
06/2006
06/29/2006WO2006067132A2 Zirconium-hafnium mixed oxide powder
06/20/2006US7063792 Treating aqueous medium containing solution of zirconium and hafnium compound with ligand which complexes with one of the metals; passing over filtration membrane which allows complexes to pass but retains metals not complexed
06/15/2006US20060124048 Topological crystal of transition metal chalcogenide and method of forming the same
06/08/2006US20060118891 Precursor for hafnium oxide layer and method for forming hafnium oxide film using the precursor
06/01/2006WO2006058254A1 Mesoporous metal oxide
05/2006
05/26/2006WO2006053676A1 Process for preparing element halides
05/26/2006WO2006053675A1 Method for producing elemental halides
05/25/2006US20060110315 Mesoporous oxide of hafnium
05/02/2006US7037595 Thin hafnium oxide film and method for depositing same
04/2006
04/27/2006WO2006016045A3 Method for separating and purifying hafnium and zirconium
04/20/2006CA2581510A1 Method for separating zirconium and hafnium
04/18/2006US7030450 Precursor for hafnium oxide layer and method for forming halnium oxide film using the precursor
04/12/2006EP1645661A1 Thermal barrier coatings with low thermal conductivity comprising lanthanide sesquioxides
04/06/2006US20060073390 Solid electrolyte
04/05/2006CN1756596A Photocatalytically-active, self-cleaning aqueous coating compositions and methods
03/2006
03/02/2006WO2006023633A2 Treatment of liquid using porous polymer containment member
03/02/2006CA2574931A1 Treatment of liquid using porous polymer containment member
02/2006
02/16/2006WO2006016045A2 Method for separating and purifying hafnium and zirconium
02/07/2006US6994837 Metal compound vapour is reacted with an oxidizing gas in electrically induced RF frequency plasma thus forming a metal oxide vapour; metal oxide vapour is rapidly cooled using a highly turbulent gas quench zone
02/01/2006CN1239740C Precursor body for zirconia and Hf Oxide thin film deposition
01/2006
01/17/2006US6986818 Method for producing nanostructured metal-oxides
12/2005
12/29/2005WO2005091972A3 Group iv metal oxide monolithic columns
12/07/2005CN1230382C Hf compound, its preparing method, and green nitrifying method by using Hf compound to catalyze compounds of phenols and aromatic ether
11/2005
11/24/2005WO2005112045A1 Dielectric material
11/03/2005US20050242330 Dielectric material
11/02/2005EP1590298A2 ELECTRICALLY CONDUCTIVE FIBERS OF Ti sb 4 /sb O sb 7 /sb AND Ti sb 5 /sb O sb 9 /sb
10/2005
10/26/2005EP1587618A1 Zirconia extrudates
10/13/2005WO2005095278A1 Production of metal-oxide highly crystalline and high-purity nanoparticles
10/06/2005WO2005091972A2 Group iv metal oxide monolithic columns
10/05/2005EP1581338A1 Photocatalytically-active, self-cleaning aqueous coating compositions and methods
09/2005
09/29/2005US20050214458 Low zirconium hafnium halide compositions
09/22/2005WO2005060610A3 Nano-sized particles, processes of making, compositions and uses thereof
09/21/2005EP1577499A2 Turbine components with thermal barrier coatings
09/21/2005CN1670337A Turbine components with thermal barrier coatings
09/17/2005CA2500753A1 Turbine components with thermal barrier coatings
09/15/2005WO2005085494A1 Low zirconium hafnium halide compositions
09/15/2005US20050202222 High dielectric constant composition and method of making same
09/07/2005CN1664164A Hafnium-containing material for film formation, method for producing the same, and method for producing hafnium-containing thin film using the same
08/2005
08/16/2005US6929786 Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent
07/2005
07/07/2005WO2005060610A2 Nano-sized particles, processes of making, compositions and uses thereof
06/2005
06/16/2005WO2005054134A1 Method for producing composition for forming dielectric film, composition for forming dielectric film, dielectric film and method for producing same
06/02/2005US20050118094 Plasma synthesis of metal oxide nanoparticles
06/01/2005CN1621352A Plasma synthesis of metal oxide nanoparticles
05/2005
05/31/2005US6899858 Vapor deposition; cooling hafnium tetrachloride; adding fuming nitric acid, heating; refluxing
05/26/2005US20050112389 A multiphase ceramic composite comprising a mesoporous matrix having crystalline inorganic nanoparticles uniformly dispersed throughout the matrix; improved heat resistance and structural stability
05/26/2005US20050109700 pH adjuster-based system for treating liquids
05/12/2005DE10392447T5 Ceroxid-basierte Mischmetall-Oxidstruktur, einschließlich des Herstellungsverfarhrens und der Verwendung Ceria-based mixed metal oxide structure, including the Herstellungsverfarhrens and use
04/2005
04/14/2005US20050077246 Treatment of liquid using porous polymer containment member
03/2005
03/24/2005US20050065358 Hafnium-containing material for film formation, method for producing the same, and method for producing hafnium-containing thin film using the same
03/16/2005EP1514845A1 Plasma synthesis of metal oxide nanoparticles
03/11/2005CA2481152A1 Plasma synthesis of metal oxide nanoparticles
02/2005
02/10/2005US20050029715 Extruding a viscous titania (TiO2) gel and heat treating the resulting green fibers to remove solvent, decompose and to volatilize undesired constituents; firing TiO2 fibers in a reducing atmosphere; reproducable stoichiometry; use in battery electrodes
11/2004
11/04/2004WO2004064118A3 ELECTRICALLY CONDUCTIVE FIBERS OF Ti4O7 AND Ti5O9
10/2004
10/27/2004CN1539746A Green nitrifying method by using Hf compound to catalyze compounds of phenols and aromatic ether
09/2004
09/16/2004US20040179994 Zirconia extrudates
09/09/2004US20040175597 Turbine components with thermal barrier coatings
09/08/2004EP1037940B1 Block polymer processing for mesostructured inorganic oxide materials
09/07/2004US6787861 Non-crystalline oxides for use in microelectronic, optical, and other applications
08/2004
08/05/2004WO2004065002A1 Zirconia extrudates
07/2004
07/29/2004WO2004064118A2 ELECTRICALLY CONDUCTIVE FIBERS OF Ti4O7 AND Ti5O9
07/29/2004US20040146448 Connecting vessel with phosphorus pentoxide to vessel with hafnium tetrachloride; cooling with liquid nitrogen; dropping fuming nitric acid into first vessel to produce nitrogen pentoxide; heating, disconnecting, refluxing; pumping, sublimation
07/29/2004CA2512469A1 ELECTRICALLY CONDUCTIVE FIBERS OF Ti4O7 AND Ti5O9
07/22/2004US20040141904 For reducing the concentration of an anion in an alkaline medium
06/2004
06/17/2004US20040113195 Precursor for hafnium oxide layer and method for forming halnium oxide film using the precursor
06/10/2004WO2004048647A1 Topological crystal of transition metal chalcogenide and method of forming the same
05/2004
05/18/2004US6737030 Extracting an aqueous feed mix comprising zirconium oxychloride and hafnium oxychloride and a thiocyanate salt with thiocyanate-containing organic solvent to produce a aqueous raffinate stream and organic raffinate stream
05/13/2004US20040091612 For use in optical components
05/12/2004CN1495235A Thermal-insulating coating with low thermal conductivity
05/04/2004US6730422 Thermal barrier coatings with low thermal conductivity
03/2004
03/30/2004US6713199 Plurality of separate layers, each having a thickness of less than 500 angstrom , and based on hafnium dioxide (hfo2), zirconium dioxide (zro2) and alumina (al2o3). in practice, the hafnium dioxide, zirconium dioxide and alumina layers form
03/24/2004EP1400610A1 Thermal barrier coatings with low thermal conductivity comprising lanthanide sesquioxides
03/17/2004CN1482653A Precursor containing a nitrogen compound bound to hfcl4 for hafnium oxide layer and method for forming hafnium oxide film using the precursor
03/03/2004EP1394164A1 Precursor containing a nitrogen compound bound to HfCl4 for hafnium oxide layer and method for forming hafnium oxide film using the precursor
02/2004
02/26/2004US20040038086 Thermal barrier coatings with low thermal conductivity
02/26/2004US20040038085 Heat resistant layer is made of a mixed oxide containing 15 mol % of at least one lanthanide sesquioxide, selected from LA, Pr, Nd, Sm, Eu, Tb and mixtures, and balance oxide selected from zirconia, ceria, and hafnia
02/12/2004US20040028952 Hafnium oxide mixture; crystal structure
01/2004
01/22/2004WO2004007372A1 Hydrous zirconium oxide, hydrous hafnium oxide and method of making same
01/22/2004US20040011739 Treating aqueous medium containing solution of zirconium and hafnium compound with ligand which complexes with one of the metals; passing over filtration membrane which allows complexes to pass but retains metals not complexed
01/15/2004US20040007531 Improved moisture resistance; for use as an ion exchanger, catalyst and/or catalyst support
01/14/2004EP1379704A1 Method for separating zirconium and hafnium tetrachloride with the aid of a melted solvent
01/14/2004EP0842900B1 Composite oxide having oxygen absorption and release capabilities and process for preparing the same
12/2003
12/25/2003US20030235526 A catalyst support, with large surface area per weight, a calcined nanocrystalline precipitates; used in a water gas shift reaction as a catalytic reforming, providing hydrogen fuel for a fuel cell
12/17/2003EP1372160A1 Dielectric constant enhancement of HfO2 comprising compositions
12/10/2003CN1461353A Method for separating zirconium and hafnium tetrachloride with aid of melted solvent
11/2003
11/06/2003US20030205528 Amphiphilic block polymers act as structure directing agents for the metal oxide in a self-assembling system.
10/2003
10/14/2003US6632539 Polycrystalline thin film and method for preparing thereof, and superconducting oxide and method for preparation thereof
10/09/2003WO2003082741A1 Ceria-based mixed-metal oxide structure, including method of making and use
10/09/2003WO2003082740A1 Ceria-based mixed-metal oxide structure including method of making and use
10/02/2003WO2003000020A3 Compositions and methods for anion adsorbent metal hydroxides
10/02/2003US20030186805 For use as catalyst support, a co-catalyst and/or a getter; water gas shift and/or preferential oxidation reactions
09/2003
09/04/2003US20030165419 Method for separating zirconium and hafnium tetrachlorides with the aid of a melted solvent
08/2003
08/27/2003CN1438335A Method for separating hafnium from zirconium
08/13/2003EP0767141B1 Process for preparing precipitate of metal oxide
07/2003
07/31/2003US20030143138 Extracting an aqueous feed mix comprising zirconium oxychloride and hafnium oxychloride and a thiocyanate salt with thiocyanate-containing organic solvent to produce a aqueous raffinate stream and organic raffinate stream
07/24/2003US20030138611 Multilayer structure used especially as a material of high relative permittivity
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