| Patents for C01G 25 - Compounds of zirconium (4,186) |
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| 01/27/1987 | US4639356 High technology ceramics with partially stabilized zirconia |
| 01/14/1987 | EP0208586A1 Process to prevent extraction of technetium and/or rhenium, particularly in case of the extraction of uranium and/or plutonium by means of an organic solvent |
| 01/14/1987 | CN85105931A Treatment of zircon |
| 01/13/1987 | US4636378 Method of preparation of perovskite-type compounds |
| 01/07/1987 | EP0207469A1 Flaky zirconia type fine crystals and method for producing them |
| 12/31/1986 | WO1986007587A1 Reactive atmosphere processing of heavy-metal fluoride glasses |
| 12/30/1986 | EP0206907A1 Process for the preparation of a colloidal dispersion of a metallic cation compound in an organic solvent and the sols obtained |
| 12/30/1986 | EP0206575A2 Process for making fine powders |
| 12/30/1986 | EP0205454A1 Process for the preparation of ultrapure active metal fluorides. |
| 12/30/1986 | EP0205443A1 Treatment of zircon. |
| 12/30/1986 | CA1216007A1 Partially stabilized zirconia bodies |
| 12/10/1986 | EP0204327A2 Mixed oxides of alumina and zirconia consisting essentially of spherical particles having a narrow granulometric distribution and process for their preparation |
| 12/09/1986 | US4627966 Formation of fine particle sinterable ceramic powders |
| 11/06/1986 | WO1986006362A1 Purification of zirconium compounds |
| 11/05/1986 | EP0200176A2 Method for producing fine particles of lead zirconate |
| 11/05/1986 | EP0199930A2 Spray-dried inorganic oxides from non-aqueous gels or solutions |
| 11/04/1986 | US4621068 Of uniform size, emulsification, gelation, silica from sodium silicates |
| 10/29/1986 | EP0198857A1 Process for producing titanates and zirconates. |
| 10/29/1986 | CN86103022A Chemical purification process-purification of zirconium compounds |
| 10/28/1986 | US4619817 Hydrothermal method for producing stabilized zirconia |
| 10/14/1986 | CA1212518A1 Method for manufacturing fine powder of srzro.sub.3 |
| 09/17/1986 | EP0194556A2 Powder of coagulated spherical zirconia particles and process for producing them |
| 09/16/1986 | US4612397 Use of supported phosphate catalysts for preparation of linear polyethylenepolyamines |
| 09/16/1986 | US4612138 Stable acidic and alkaline metal oxide sols |
| 09/16/1986 | US4612097 Process for separation of zirconium isotopes |
| 09/12/1986 | WO1986005170A1 Super-fine spherical particles of metal oxide and process for their preparation |
| 09/10/1986 | EP0194191A1 Stabilized zirconia, process for its preparation and its use in ceramic compositions |
| 09/02/1986 | US4609761 Continuous preparation of linear polyethylenepolyamines using novel catalysts derived from titania and a trialkyl phosphate or phosphite |
| 08/27/1986 | EP0192514A1 Process for the preparation of highly pure zirconium tetrafluoride for use in the manufacture of fluoride glass |
| 08/14/1986 | WO1986004614A1 Process for the production of high purity zirconia |
| 08/12/1986 | US4605631 Treating aqueous salt solutions with ammonia producing hexamethylenetetramine, then alkali metal hydroxide, and calcining |
| 07/29/1986 | CA1208614A1 Method for fabricating ceramic materials |
| 07/29/1986 | CA1208414A1 Process for the preparation of ceramic powders |
| 07/17/1986 | WO1986004048A1 Process for the preparation of ultrapure active metal fluorides |
| 06/18/1986 | EP0184900A1 Process for the preparation of synthetic rock material and precursor therefor |
| 06/17/1986 | US4595580 Method for manufacturing fine powder of barium zirconate |
| 06/17/1986 | US4595573 Treating metal compound to be chlorinated in refractory material reactor, pressurizing, chlorinating with continuous stream of chlorine gas |
| 05/21/1986 | EP0181403A1 Process for preparing inorganic fibers |
| 05/20/1986 | US4590090 Method for making interdiffused, substantially spherical ceramic powders |
| 05/14/1986 | EP0180900A2 Process for the adjustment of the structure and/or surface characteristics of oxidized materials |
| 05/13/1986 | US4588842 4b oxide treated with phosphorus compound |
| 05/07/1986 | EP0180229A2 Process for recovery of zirconium and acid from spent etching solutions |
| 05/06/1986 | US4587116 Process for treating chlorinated nitrogen-containing hydrocarbons |
| 04/24/1986 | WO1986002345A1 Process for producing titanates and zirconates |
| 04/22/1986 | US4584406 Using ethylenediamine and monoethanolamine/ and phosphorous containing catalyst |
| 04/22/1986 | CA1203452A1 Stable acidic and alkaline metal oxide sols |
| 04/09/1986 | EP0177198A2 A method for the preparation of an amorphous metal oxide composite, and amorphous metal oxide composites, including catalysts, prepared thereby |
| 04/09/1986 | EP0177181A2 Transparent non-vitreous ceramic particulate |
| 04/09/1986 | EP0176953A2 New simultaneous voice and date communications system, with possibility of connection to public or private networks |
| 03/25/1986 | US4578519 Catalytic synthesis of linear polyethylenepolyamines (polyethylenepolyamine preparation and catalyst) |
| 03/25/1986 | US4578518 Catalytic (calcined catalyst and) preparation of linear polyethylenepolyamines (therewith) |
| 03/25/1986 | US4578252 Method for preparing ultra-pure zirconium and hafnium tetrafluorides |
| 03/25/1986 | US4578165 Process for separation of zirconium from hafnium |
| 03/04/1986 | US4574078 Hydrolysis, roasting |
| 03/04/1986 | US4574001 Process for producing finely divided dispersions of metal oxides in aluminum hydroxide |
| 02/25/1986 | US4572824 Process for recovery of zirconium and acid from spent etching solutions |
| 02/19/1986 | EP0171736A2 Micronized zirconia and method for production thereof |
| 01/28/1986 | US4567030 Amorphous, spherical inorganic compound and process for preparation thereof |
| 01/14/1986 | US4564556 Transparent non-vitreous ceramic particulate |
| 12/11/1985 | EP0163739A1 Process for preparing fine particles of ba (zrx ti 1-x)o3-solid solution |
| 11/27/1985 | EP0162716A2 A process for preparing polymer particles |
| 10/24/1985 | WO1985004678A1 Process for preparing inorganic fibers |
| 10/15/1985 | US4547355 Method for manufacturing fine powder of SrZrO3 |
| 10/09/1985 | EP0157366A2 Method of producing high purity zirconia powder from zircon powder |
| 10/02/1985 | EP0156491A2 Formation of fine particle sinterable ceramic powders |
| 09/26/1985 | WO1985004158A1 Treatment of zircon |
| 09/24/1985 | US4543341 Synthesis and processing of monosized oxide powders |
| 09/17/1985 | US4542009 Synthesis of intercalatable layered stable transition metal chalcogenides and alkali metal-transition metal chalcogenides |
| 09/11/1985 | EP0154448A2 Process for recovery of zirconium by solvent extraction |
| 09/10/1985 | US4540822 Regenerative process for the preparation of linear polyethylenepolyamines using a supported catalyst |
| 08/27/1985 | US4537865 Process for preparing a particulate ceramic material |
| 08/14/1985 | EP0151490A2 Process for producing ultra-fine ceramic particles |
| 07/30/1985 | US4532224 Spherical powders comprising fine particles of aluminum oxide with dispersed zirconium oxide |
| 07/18/1985 | WO1985003014A1 Method for preparing a powder suitable for sintering |
| 07/09/1985 | US4528164 Concurrent production of anhydrous non-metal and metalloid halides and ceramic materials with the aid of magnesium halide |
| 07/03/1985 | EP0147327A2 Process for the preparaton of a powder suitable to be sintered |
| 05/28/1985 | US4520114 Production of metastable tetragonal zirconia |
| 05/22/1985 | EP0142291A1 Process for separation of zirconium from hafnium |
| 05/09/1985 | WO1985001933A1 Process for preparing fine particles of ba(zrxti1-x)o3 solid solution |
| 03/20/1985 | EP0134452A2 Permanent wave neutralizer composition and process |
| 02/26/1985 | US4501818 Precipitation from solutions of salts of the metals with alicali metal hydroxides |
| 01/23/1985 | EP0131774A1 Process for the preparation of partially stabilized zirconia bodies |
| 01/09/1985 | EP0130480A2 Process for the preparation of ceramic powders |
| 01/02/1985 | EP0130086A1 Methods of manufacturing fine powder from strontium zirconate |
| 12/27/1984 | CA1179827A Chlorinator furnace and method for producing tetrachloride of such metals as titanium and zirconium |
| 12/18/1984 | US4488949 Removal of sulfate ions from brine |
| 12/11/1984 | US4487629 Forming zirconium tetraiodide; converting back to metal after sepation |
| 10/31/1984 | EP0123634A1 Process for separating zirconium tetrachloride from hafnium tetrachloride by extractive distillation for the removal of the aluminium introduced by the solvent |
| 10/10/1984 | EP0121043A2 Process for producing fine dispersions of metal oxides in hydrated alumina |
| 10/02/1984 | US4474587 Scrubbing, adsorption |
| 09/05/1984 | EP0117755A2 Process and apparatus for preparing metal oxide particles |
| 08/14/1984 | US4465778 Sinterable fluorite oxide ceramics |
| 08/08/1984 | EP0115138A1 Regenerative process for the preparation of linear polyethylenepolyamines using a supported catalyst |
| 07/31/1984 | CA1171664A1 Process for separation of zirconium- and hafnium tetrachlorides from a mixture comprising such chlorides and apparatus therefor |
| 06/27/1984 | EP0112159A2 Methods of manufacturing a fine powder of barium zirconate |
| 05/29/1984 | US4451445 Method for controlled hydrogen charging of metals |
| 01/31/1984 | US4428770 Methods of manufacturing metal from a melt, determination of sulfur and carbon therein, sensors therefor and solid electrolyte compositions for said sensors |
| 11/10/1983 | WO1983003823A1 Method for fabricating ceramic materials |
| 09/21/1983 | EP0088848A2 Process for the preparation of a stable sol or a dispersible gel |
| 09/20/1983 | US4405576 Removal of sulfate ions from brine |