Patents for C01G 25 - Compounds of zirconium (4,186) |
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03/30/1993 | CA1315077C Method for the chemical preparation of zirconia alloy powders and article |
03/18/1993 | WO1993004996A1 Improved mixed metal oxide crystalline powders and method for the synthesis thereof |
02/23/1993 | US5188991 Zirconium oxide powder, process for its preparation and use |
02/23/1993 | US5188667 Tungstic oxide-stannic oxide composite sol and method of preparing the same |
01/27/1993 | EP0524663A1 High stability porous zirconium oxide spherules and support comprising same |
01/26/1993 | US5182251 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
01/20/1993 | CN1068213A Removal of radioactivity from zircon |
01/19/1993 | US5180693 Metal alcoholates reacted with water, drying and oxidation |
01/05/1993 | US5177040 Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same |
01/05/1993 | CA1312188C Process for the fabrication of vitreous metallic oxides |
12/16/1992 | EP0289537B1 Process for the production of zirconium sulphate |
12/15/1992 | US5171549 Process for decreasing the level of impurities in zirconium chloride, titanium chloride and hafnium chloride |
12/10/1992 | DE4118185A1 Verfahren zur herstellung nanoskaliger oxidteilchen Process for the preparation of nanoscale oxide particles |
12/09/1992 | EP0517437A1 Zirconium oxide powder and a method of making thereof |
11/25/1992 | EP0514614A1 Complex perovskite compounds and a process for producing the same |
11/12/1992 | DE4115172A1 Verfahren zur herstellung von pulver aus stabilisiertem zirkonoxid A method for producing powder of stabilized zirconium oxide |
11/10/1992 | WO1992019538A1 Process for producing powder from stabilised zirconium oxide |
11/10/1992 | CA2102635A1 Process for producing powder from stabilised zirconium oxide |
11/03/1992 | US5160618 Fuel cells, oxygen sensors, separators |
10/29/1992 | WO1992018985A1 Removal of radioactivity from zircon |
10/21/1992 | EP0272294B1 Preparation of hydrolysed zirconium salt precursors and high purity zirconia |
10/21/1992 | EP0270637B1 Manufacture of high purity zirconia from low-silica zirconiferous materials |
10/14/1992 | CN1065256A Preparation of powdered zirconium oxide by alcohol coalescence process |
10/14/1992 | CN1018623B Process for mfg of mixed metal oxide powder |
10/13/1992 | US5155071 Flame-produced partially stabilized zirconia powder |
10/12/1992 | WO1992021611A1 Method of producing nanometer-sized oxide particles |
10/06/1992 | US5152974 Process for the manufacture of a powder of mixed metal oxides, and mixed metal oxide powders |
09/22/1992 | US5149510 Themal decomposition of zircon, formation of alkali metal zirconate, hydrolysis |
09/16/1992 | EP0504030A1 Process for the preparation of a titano-zirconate of a two- or trivalent cation |
09/03/1992 | WO1992014851A1 Process for the production of metallic titanium and intermediates useful in the processing of ilmenite and related minerals |
09/02/1992 | EP0501335A1 A method of recovery of basic reactants for ZBLAN glass synthesis from purified solutions |
09/02/1992 | EP0501143A1 Thermally cracked zirconium silicate, process for its preparation and use |
09/02/1992 | EP0501142A1 Process for production of monoclinic zirconium oxide |
08/26/1992 | EP0500114A1 Slurry composition and sintered part prepared therefrom |
08/25/1992 | US5141634 High stability porous zirconium oxide spherules |
08/18/1992 | US5139980 Method for production of inorganic oxide particles |
08/18/1992 | US5139766 Process for preparing mixed zirconium and yttrium oxide powders |
08/11/1992 | CA1306098C Method and structure for forming a reaction product |
08/05/1992 | CN1063268A Preparation of zirconium dioxide by use of slaked lime sintering process |
07/29/1992 | EP0496221A2 Fluoride ionic conductor |
07/21/1992 | US5132016 Solvent prestripping in a zr/hf separation liquid-liquid extraction (llx) circuit |
07/15/1992 | CN1062712A Oxide micropowder made by colloid combined precipitation method |
07/15/1992 | CN1017421B Barium titanate coforms |
07/15/1992 | CA2058875A1 Fluoride ionic conductor |
07/14/1992 | US5130210 Stabilized zirconia solid electrolyte and process for preparation thereof |
07/09/1992 | WO1992011223A1 Isosynthesis method in the presence of a catalyst based on an oxide of at least two different metals |
07/07/1992 | US5128291 Porous titania or zirconia spheres |
06/24/1992 | CN1062179A Growing method for green cubic crystal of zirconium oxide |
06/24/1992 | CN1062131A Powders of mixed metal oxides having dielectric properties and dielectrics obtained from these powders |
06/24/1992 | CN1062122A Process for production of powder of mixed metal oxides |
06/17/1992 | EP0490500A1 Stabilised metal oxides |
06/17/1992 | EP0490226A1 Porous titania spheres |
06/13/1992 | CA2055725A1 Stabilised metal oxides |
06/12/1992 | CA2050548A1 Porous titania spheres |
06/10/1992 | EP0489519A2 Sol-gel processing of piezoelectric and ferroelectric films |
06/10/1992 | CN1016962B Doped batio3 based dielectric composition powder |
06/02/1992 | US5118491 Process for preparing mixed oxides of zirconium and yttrium |
05/29/1992 | WO1992008680A1 Powdered mixtures of metal oxides having dielectric properties, and dielectrics prepared therefrom |
05/29/1992 | WO1992008672A1 Method for producing a powder of mixed metal oxides |
05/19/1992 | CA1300870C Barium titanate coforms |
05/12/1992 | US5112781 Process for producing zirconium based granules and zirconium oxide fibers |
05/12/1992 | US5112676 Gelation, polymerization, heat treatment of metallic alkoxide emulsions |
05/12/1992 | US5112433 Precipitation of hydroxides, slurrying, adding oxides or hydroxides to adjust composition, hydrothermal treatment |
05/06/1992 | EP0483654A1 Process and apparatus for the preparation of metal oxides powders for ceramic masses |
04/29/1992 | CN1016413B Process for manufacture of zirconium oxide hydrate from granular crystallized zirconium oxide |
04/21/1992 | CA1298955C Continuous process for production of fine particulate ceramics |
04/15/1992 | EP0480678A2 Lapping abrasive of aluminazirconia system and method for producing the same |
04/15/1992 | EP0205443B1 Treatment of zircon |
04/14/1992 | US5104832 Sinterable zirconium oxide powder and process for its production |
04/10/1992 | CA2052948A1 Lapping abrasive of alumina-zirconia system and method for producing the same |
04/08/1992 | EP0478768A1 Process for the synthesis of high porosity, high specific surface metallic oxides, oxides obtained and catalysts containing same. |
04/07/1992 | US5102637 Method of purifying zirconium tetrachloride and hafnium tetrachloride in a vapor stream |
03/25/1992 | CN1059704A Making technology for desilicated zirconium |
03/24/1992 | CA1297657C Preparation of antiperspirants |
03/19/1992 | WO1992004281A1 Basic aluminum and aluminum/zirconium antiperspirants and method of making the same |
03/17/1992 | US5096685 Heating silicon dioxide-containing material with silicon and/o r carbon-containing material at subatmospheric pressure in pre sence of nonoxidizing gas, transferring condensed silicon mono xide from reaction chamber to collection chamber |
03/17/1992 | US5096642 Process for producing a high density ceramic of perovskite |
03/10/1992 | US5094691 Refractive index |
02/25/1992 | US5091348 Mixing hydrated oxide sols, dehydrating to form homogeneous gel, heating |
02/18/1992 | US5089247 Process for producing zirconium-doped pseudoboehmite |
02/12/1992 | CN1015448B Transparent non-vitreous ceramic particulate |
02/12/1992 | CN1015439B Reactive derivative of zirconium and its preparation |
02/11/1992 | US5087437 Process for preparing crystalline mixed metal oxides |
02/05/1992 | EP0469053A1 Preparation of thin film ceramics by sol gel processing |
01/21/1992 | US5082812 Of barium or strontium, purity |
01/14/1992 | US5081081 Zirconia, Alumina |
01/08/1992 | EP0464513A1 Chromatographic separation of zirconium isotopes with anhydrous readily recyclable eluents |
01/07/1992 | US5078887 Solvent extraction with solvents such as methyl isobutyl keton e in a countercurrent flow to the zirconium chloride solution for purification |
01/03/1992 | CA2045893A1 Chromatographic separation of zirconium isotopes with anhydrous readily recyclable eluents |
12/27/1991 | EP0462388A2 Coated particles, hollow particles, and process for manufacturing the same |
12/11/1991 | EP0460959A2 Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same |
12/11/1991 | EP0460738A1 High surface area zirconia |
12/10/1991 | US5071635 Method of preparing ceramic microspheres |
12/08/1991 | CA2044041A1 Fused zirconia refractory materials having high-temperature heat resistance and corrosion resistance and a method for producing the same |
11/20/1991 | CN1014786B Transparent non-vitreous zirconia microspheres and process for preparing thereof |
11/13/1991 | CN1014697B Micro-emulsion method for preparing zirconium oxide powder |
11/12/1991 | US5064783 Production of spherical ceramic powders |
11/12/1991 | US5064690 Method for coating surface of inactive granules |
10/31/1991 | WO1991016265A1 Process for the synthesis of high porosity, high specific surface metallic oxides, oxides obtained and catalysts containing same |
10/29/1991 | CA1291435C Process for upgrading tar sand bitumen |