Patents for C01G 25 - Compounds of zirconium (4,186)
12/1995
12/28/1995WO1995035260A1 Process for treating silica-bearing material
12/28/1995CA2192198A1 Process for treating silica-bearing material
12/26/1995US5478543 Contains cerium oxide, zirconium oxide and hafnium oxide; for purifying exhaust gases and for ceramics
12/26/1995US5478538 Removal of radioactivity from zircon
12/20/1995EP0687650A1 Process and apparatus for the melt-metallurgical preparation of hard materials
12/14/1995DE4420496A1 Molten metallurgical mfr. of hard materials or oxide(s)
12/06/1995EP0685435A2 Method for making powders of inorganic compounds
12/06/1995EP0685224A1 Cosmetic sunscreening compositions containing a synergic mixture of filters and nanopigments and uses
12/05/1995US5472477 Process for the preparation of finely divided metal and ceramic powders
12/01/1995CA2150079A1 Method of making powders of inorganic compounds
11/1995
11/29/1995EP0684073A1 Highly reducible alumina, cerium oxide and zirconiumoxide compounds, process for their preparation and their use for making catalysts
11/29/1995EP0684072A2 Rare earth-based dispersible compound, colloidal suspension obtained from it, processes for their preparation and their use for making catalysts
11/28/1995US5470550 Zirconium sulfate precipitation
11/21/1995US5468427 Process for making ultra-fine ceramic particles
11/14/1995US5466646 Solid state electronics formed by mixing, precipitation, pressurization and fluidization
11/08/1995EP0680454A1 Process for producing nanoscale ceramic powders.
11/07/1995US5464195 Nozzle for electric dispersion reactor
11/01/1995CN1110959A Treatment of a chemical
10/1995
10/31/1995US5462647 Electrolysis of soluble salts of lead, zirconium and titanium in electrolyte bath
10/25/1995EP0678490A1 Process of manufacture of a zirconia-based black article and a decorative black zirconia-based article obtained by this process
10/24/1995US5460738 Modified stannic oxide-zirconium oxide composite sol and process for preparing the same
10/24/1995US5460701 Using nonconsumable cathode and consumable anode, working gas, plama arc system
10/10/1995US5456899 Preparation of titanium dioxide
10/04/1995EP0414695B1 Ceramic powder and a process for the preparation thereof
09/1995
09/27/1995EP0674019A1 Semiconductor devices and their method of manufacture
09/12/1995CA1336944C Process and device for the introduction of zirconium tetrachloride, of hafnium tetrachloride and mixtures thereof in a distillation column for the continuous extraction, under pressure, of the said chlorides
09/06/1995CN1107804A Process for the removal of sulphate ions present in saline solutions
09/05/1995US5447898 Process for the preparation of zirconia
09/05/1995US5447708 Confining flame to a zone; combusting carrier; vaporization, oxidation, and nucleation
08/1995
08/30/1995EP0341266B1 Superconductivity in square-planar compound systems
08/29/1995US5445806 Process for preparing fine powder of perovskite-type compound
08/15/1995US5441718 Process for making inorganic gels
08/10/1995WO1995021127A1 Basic layered lattice compounds
08/09/1995EP0666239A1 Composite metal oxide powder and process for producing the same
08/09/1995EP0666238A1 Metal oxide powder and process for producing the same
08/03/1995WO1995020551A1 Lithium-containing ceramic tritigenic material and method of preparation
08/02/1995EP0665189A1 Treatment of a chemical
08/01/1995US5437854 Reducing mixture containing hafnium tetrachloride with liquid metallic tin to form zirconium trichloride and tin dichloride, separating hafnium tetrachloride vapor
08/01/1995CA2141162A1 Treatment of a chemical
07/1995
07/13/1995WO1995018839A1 Process for producing polyesters and copolyesters
07/13/1995CA2179632A1 Process for the preparation of polyester and copolyester
07/06/1995WO1995018068A1 Composition precursor and cerium and zirconium mixed oxide based composition, method for its preparation and use thereof
07/05/1995EP0661244A2 Fabrication of thin film materials
06/1995
06/29/1995WO1995017533A1 Material of chemical compounds with a metal in group iv a of the periodic system, nitrogen and oxygen and process for producing it
06/28/1995EP0515651B1 Isosynthesis method in the presence of a catalyst based on an oxide of at least two different metals
06/07/1995EP0655984A1 Preparation of nanophase solid state materials.
06/07/1995EP0655948A1 Preparation of solid state materials
05/1995
05/30/1995US5420086 Method for producing stabilized zirconium oxide powder
05/24/1995EP0654507A1 Pigments containing zirconium oxide and an oxide of cerium, praseodymium and/or terbium, their preparation and their use
05/23/1995US5417956 Mixing a metal solution and a precipitation agent solution, shear and depressurization
05/19/1995CA2135988A1 Pigments based ont zirconium oxyde, cerium, praseodymium and/or terbium, a process for their preparation and their use
05/18/1995WO1995013132A1 Method of forming particles using a supercritical fluid, aerogel particles formed thereby, and antiperspirants containing aerogel particles
05/17/1995EP0653203A1 Novel zirconium salts and their synthesis
05/17/1995EP0429452B1 High surface area metal oxide foams and method of producing the same
04/1995
04/26/1995EP0621801A4 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions.
04/20/1995CA2118208A1 Method for selectively removing antimony and bismuth from sulphuric acid solutions
04/19/1995EP0648709A1 Method for selectively removing antimony and bismuth from sulphuric acid solutions
04/19/1995CN1101634A Process for the synthesis of crystalline ceramic powders of perovskite compounds
04/18/1995US5407873 Zirconium silicate brick and method for its production
04/12/1995EP0647474A1 Method for removing sulfate ions from saline solutions
03/1995
03/29/1995EP0644914A1 Inorganic fillers and organic matrix materials whose refractive index is adapted
03/22/1995EP0644158A1 Process for the preparation of zirconia
03/15/1995EP0642468A1 A method for preparing mixed metal oxides
03/14/1995US5397554 Process of hydrolyzing a group IVB metal chlorides
03/14/1995US5397375 Process for the production of metallic titanium and intermediates useful in the processing of ilmenite and related minerals
03/08/1995EP0641740A1 Process for the synthesis of crystalline ceramic powders of perovskite compounds
03/08/1995EP0641290A1 Process for making inorganic gels.
03/01/1995CN1099355A Method of producing zirconium dioxide by electrofusion ball-blowing
03/01/1995CN1027751C Technique for preparation of zirconia fine powder by alcohol-adding coalescence process
02/1995
02/22/1995CN1027689C Sintered zirconium oxide powder and the preparation thereof
02/21/1995US5391362 High surface area zirconia
02/16/1995WO1995004701A1 Composite metal oxide powder and process for producing the same
02/16/1995WO1995004700A1 Metal oxide powder and process for producing the same
02/16/1995CA2146749A1 Complex metal oxide powder and method for the production of the same
02/16/1995CA2146539A1 Metal oxide powder and method for the production of the same
02/09/1995WO1995004012A1 Zirconia particles
02/09/1995WO1995003907A1 Method and apparatus for making nanostructured materials
02/09/1995CA2168240A1 Zirconia particles
02/02/1995WO1995003121A1 Modified solid oxide catalyst and process for producing same
01/1995
01/25/1995EP0635301A2 Carbon-clad inorganic oxide particles with a polymer coating thereon
01/24/1995US5384306 Fine-particle oxide ceramic powders
01/19/1995DE4405411C1 Process for preparing a sol for the production of a PZT or a PMNT ceramic
01/10/1995US5380691 From thermohydrolysis of a zirconium salt
01/10/1995CA1333913C Stabilized zirconia
01/03/1995US5378400 Preparation of metal oxide sols by electrolysis
01/03/1995CA1333781C Process for separation of hafnium tetrachloride from zirconium tetrachloride
12/1994
12/28/1994EP0631319A1 Dielectric thin film device and manufacturing method thereof
12/27/1994US5376309 Boride materials for electronic elements and method of preparing the same
12/21/1994EP0629438A2 Compound oxide having oxygen absorbing and desorbing capability and method for preparing same
12/21/1994CN1096497A Method for preparing high-purity zirconium dioxide by direct precipitation
12/14/1994EP0628515A1 Cerium and zirconium-containing compounds oxide and method for producing same
11/1994
11/24/1994WO1994026657A1 Apparatus for producing nanoscale ceramic powders
11/24/1994CA2160367A1 Apparatus and process for producing nanoscale ceramic powders
11/22/1994US5366715 Method for selectively removing antimony and bismuth from sulphuric acid solutions
11/02/1994EP0621801A1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions
10/1994
10/26/1994EP0621234A1 Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam
10/25/1994US5358695 Atomizing mixture of ceramic precursor with carbohydrate carrier material, combustion, oxidation
10/18/1994US5356120 Device for producing finely-divided metal and ceramic powder
09/1994
09/21/1994CN1092384A Preparation of titanium dioxide
09/14/1994EP0614854A1 Process for the synthesis of mixed zirconium und cerium oxides based compositions, the obtained compositions and use thereof
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