| Patents for C01G 25 - Compounds of zirconium (4,186) |
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| 09/27/1989 | EP0334732A1 Novel reactive derivative of zirconium and its preparation |
| 09/27/1989 | EP0334727A1 Reactiv zirconiumoxide and its preparation |
| 09/27/1989 | EP0334713A1 Process for the preparation of hydrated zirconium-oxide from granular cristalline zirconiumoxide |
| 09/26/1989 | CA1261589A1 Predetermined and enhanced densification in sintered metal oxides |
| 09/21/1989 | WO1989008611A1 Ceramic powder and a process for the preparation thereof |
| 09/21/1989 | WO1989008610A1 High surface area metal oxide foams and method of producing the same |
| 09/20/1989 | EP0333041A1 Method of producing a lithium zirconate powder |
| 09/20/1989 | EP0332686A1 Process for preparing metallic oxides |
| 09/13/1989 | EP0227792B1 Reactive atmosphere processing of heavy-metal fluoride glasses |
| 09/12/1989 | US4865696 Recovery of metal chlorides from their complexes by molten salt displacement |
| 09/12/1989 | US4865695 Preparation of complexes of zirconium and hafnium tetrachlorides with phosphorus oxychloride |
| 09/12/1989 | US4865694 Distillation |
| 09/12/1989 | US4865693 Preparation of complexes of zirconium and hafnium tetrachlorides with phosphorus oxychloride |
| 09/06/1989 | EP0331283A1 High stability porous zirconium oxide spherules |
| 09/06/1989 | EP0330697A1 Preparation of abo 3? compounds from mixed metal aromatic coordination complexes |
| 09/06/1989 | CN1035280A Stabilized zirconia, process for preparing it, and its use in chemical compositions |
| 09/05/1989 | US4863883 Barium titanate powders, spheres, capacitors |
| 09/05/1989 | US4863706 Process for producing zirconium sols and gels, and process for producing zirconia using the same |
| 09/05/1989 | CA1259079A1 Stabilised zirconium, its preparation and its use in ceramic compounds |
| 08/15/1989 | US4857294 Process for the preparation of metal fluorides usable for the production of fluoride glasses |
| 08/15/1989 | US4857155 Process of separation of hafnium from zirconium by molten salt electrolysis |
| 08/09/1989 | EP0272294A4 Preparation of hydrolysed zirconium salt precursors and high purity zirconia. |
| 08/09/1989 | EP0205454B1 Process for the preparation of ultrapure active metal fluorides |
| 08/01/1989 | US4853207 Process for the manufacture of vitreous metal oxides |
| 07/26/1989 | EP0324936A1 Zirconium-doped pseudoboehmite, process for its preparation and its use |
| 07/25/1989 | US4851293 Stabilized metallic oxides |
| 07/19/1989 | EP0324619A1 Improved process for preparing crystalline mixed metal oxides |
| 07/19/1989 | CN1033977A Doped batio3 based compositions |
| 07/12/1989 | CN1033750A Production method of high-temp. ceramic oxider micropowder |
| 07/05/1989 | EP0322619A1 Superconductor and process for its production |
| 07/04/1989 | US4845056 Continuous process for production of fine particulate ceramics |
| 07/04/1989 | CA1256674A1 Preparation of mono-sized zirconia powders |
| 06/27/1989 | US4842832 Vaporization, decomposition of metal compound; ultraviolet scattering |
| 06/22/1989 | DE3742023A1 Breeder material of ternary, lithium-containing oxide |
| 06/20/1989 | US4840774 Chlorination in presence of carbon and binder; purity, free of silicon tetrachloride |
| 06/14/1989 | EP0320345A1 Stabilised zirconia, its process of preparation and application in ceramic compositions |
| 06/07/1989 | EP0319365A1 Process for the preparation of titanium oxide, zirconium oxide or cerium oxide, and products therefrom |
| 05/31/1989 | EP0317676A1 Dispersion process for ceramic green body |
| 05/23/1989 | US4832893 Mixed oxide of lead, lanthanum, zirconium and titanium |
| 05/16/1989 | US4830993 Process for the manufacture of a metal oxide powder for ceramic materials and zirconia powder produced by this process |
| 05/10/1989 | EP0314939A1 Zirconium oxide powder, process for its preparation and use thereof |
| 05/09/1989 | US4829033 Narrow particle size distribution |
| 05/09/1989 | US4829028 Process for producing an alumina-zirconia composite sintered material |
| 05/03/1989 | EP0314166A1 Process for the production of monodisperse ceramic powders |
| 04/27/1989 | DE3735107A1 Process for removing silica from alkali metal zirconosilicates (alkali metal zirconium silicates) |
| 04/25/1989 | US4824222 Solid solution of molybdenum, tungsten, zirconium and/or niobium; vanadium and/or titanium |
| 04/20/1989 | WO1989003365A1 Continuous process for production of fine particulate ceramics |
| 04/19/1989 | CN1032431A Process for producing zirconia stabillzed with yttrium, and resulting product |
| 04/18/1989 | US4822575 Forming zirconium sulfate, ammoniation; zirconia with reduced metallic contamination |
| 04/11/1989 | US4820669 Ammonium hydroxide causes precipitation of hydroxides of lead, titanium, zirconium; purification, calcining |
| 04/11/1989 | US4820593 Zirconia ceramic with hydrous oxide coating of yttrium, calcium, magnesium, strontium or cerium |
| 04/11/1989 | CA1252297A1 Process of treating dissociated zircon |
| 04/06/1989 | WO1989002869A1 Process for preparing metallic oxides |
| 04/05/1989 | EP0310480A1 Process for the preparation of yttrium-stabilized zirconia, and product so obtained |
| 03/28/1989 | US4816239 Gelation, boration, dehydration roasting |
| 03/28/1989 | US4816072 Dispersion process for ceramic green body |
| 03/16/1989 | DE3729391A1 Process for the production of powder material |
| 03/14/1989 | US4812426 Lead-containing oxide powder |
| 03/14/1989 | US4812149 Hot inert gas purging for filter blowback process |
| 03/14/1989 | CA1251226A1 Mixed oxides of alumina and zirconia consisting essentially of spherical particles having a narrow granulometric distribution and process for their preparation |
| 03/14/1989 | CA1251192A1 Method for the preparation of an amorphous metal oxide composite |
| 03/09/1989 | WO1989001922A1 Preparation of abo3 compounds from mixed metal aromatic coordination complexes |
| 03/07/1989 | US4810680 Trioxydizirconium compound |
| 03/01/1989 | EP0198857B1 Process for producing titanates and zirconates |
| 02/28/1989 | US4808397 Process for preparing fine particles of metal oxides |
| 02/28/1989 | US4808315 Porous hollow fiber membrane and a method for the removal of a virus by using the same |
| 02/23/1989 | DE3826801A1 Dotierte zusammensetzung auf der basis von batio(pfeil abwaerts)3(pfeil abwaerts) Doped composition on the basis of BaTiO (down arrow) 3 (down arrow) |
| 02/22/1989 | EP0304243A1 Production of ceramic powders by emulsion precipitation processes and the products thereof |
| 02/22/1989 | EP0304128A1 Process for the production of ceramic powders having a perowskite structure |
| 02/22/1989 | EP0181403B1 Process for preparing inorganic fibers |
| 02/15/1989 | EP0302972A1 Dispersion process for ceramic green body |
| 02/15/1989 | EP0302949A1 A method for the removal of a virus by using a porous hollow fiber membrane |
| 02/08/1989 | EP0302368A2 Process for the production of sinterable powders for binary and multinary ceramic oxidic materials |
| 01/31/1989 | US4801411 Method and apparatus for producing monosize ceramic particles |
| 01/24/1989 | US4800051 Method for fabricating ceramic materials |
| 01/18/1989 | CN1030393A Process for manufacture of mixed metal oxide powder and mixed metal oxide powders |
| 01/17/1989 | US4798710 Process for the manufacture of a powder for ceramic materials, containing at least one metal oxide |
| 01/04/1989 | EP0297646A1 Process for the preparation of a mixed metal oxide powder |
| 12/14/1988 | EP0294988A2 Method for the chemical preparation of a ceramic article having good fracture toughness |
| 12/06/1988 | US4789653 Concurrent hydrolysis of zirconium and titanium alkoxides; lead and lanthanum acetate and nitrate precipitation |
| 12/01/1988 | WO1988009307A1 Method for producing a fine powder of metal oxide (zirconium, hafnium, titanium) having a specific surface or a predetermined grain size |
| 11/29/1988 | US4788045 Mixing, drying, calcining, fritting |
| 11/22/1988 | US4786486 Stabilized with yttria or ceria |
| 11/22/1988 | EP0270637A4 Manufacture of high purity zirconia from low-silica zirconiferous materials. |
| 11/15/1988 | US4784794 Made from zirconium salts |
| 11/09/1988 | EP0289918A1 Process for preparing compact, crystalline and pore-free moulded articles from oxide ceramics |
| 11/09/1988 | EP0289537A1 Process for the production of zirconium sulphate. |
| 11/03/1988 | DE3813454A1 Verfahren zur herstellung von anorganischen metallverbindungen mit ultrahoher reinheit Process for the preparation of inorganic metal compounds with ultra-high purity |
| 11/01/1988 | USRE32777 Chlorination, bromination or iodination of metal, fluorination |
| 10/25/1988 | CA1243693A1 Emulsion-char method for making fine powder |
| 10/19/1988 | CN88101743A Process for the manufacture of a powder of mixed metal oxides and mixed metal oxide powders |
| 10/18/1988 | US4778671 Preparation of unagglomerated metal oxide particles with uniform particle size |
| 10/13/1988 | DE3810523A1 Zirkonium enthaltende waessrige loesung Zirconium-containing aqueous solution |
| 10/12/1988 | EP0286155A1 Process for the preparation of a mixed metal oxides powder, and mixed metal oxides powders |
| 10/05/1988 | EP0285339A1 Metal oxide and metal sulfide particles and production thereof |
| 09/27/1988 | US4774208 Low temperature sealing composition with synthetic zircon |
| 09/21/1988 | EP0282521A1 Improved binders for refractories |
| 09/20/1988 | US4772511 Transparent non-vitreous zirconia microspheres |
| 09/14/1988 | EP0282139A1 Process for producing finely divided powdery compositions |
| 09/07/1988 | EP0280812A1 Superconductivity in square - planar compound systems |