| Patents for C01G 23 - Compounds of titanium (11,177) |
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| 04/08/1992 | EP0478768A1 Process for the synthesis of high porosity, high specific surface metallic oxides, oxides obtained and catalysts containing same. |
| 04/02/1992 | WO1992005125A1 Superdonducting materials |
| 04/01/1992 | EP0478152A1 Production of reduced titanium oxide |
| 03/31/1992 | US5100858 Moldable/extrudable titanium dioxide particulates |
| 03/25/1992 | EP0476744A1 Process for the concentration of diluted acid in a three-stage vacuum evaporator system |
| 03/25/1992 | EP0476172A1 Process for preconcentrating diluted acid obtained during titanium dioxide preparation according to the sulphate process and use of apparatus for this process |
| 03/25/1992 | EP0475953A1 Production of acid soluble titania. |
| 03/25/1992 | EP0342218B1 Metallic oxide powders, their mixtures, systems of mixed metallic oxide powders, their mixtures and their use for catalytic dehydration of hydrocarbons |
| 03/21/1992 | CA2050710A1 Preconcentration of sp spent acid with non-purified calcination waste gases in a venturi scrubber |
| 03/18/1992 | EP0475104A1 Process for working up digestion residues of titanium dioxide production |
| 03/17/1992 | US5096745 Dissolving titanium alkoxide in alkyl alcohol, contacting with water, colloid, solidification, sintering gel |
| 03/11/1992 | EP0474357A1 Preparation of nuclei for anatase pigments |
| 03/10/1992 | US5094834 Process for the production of tio2 pigments |
| 03/03/1992 | CA1296531C Chlorination of ores containing alkali or alkaline earth values |
| 03/03/1992 | CA1296517C Low firing dielectric composition |
| 03/01/1992 | WO1992004032A1 Slow release compositions |
| 03/01/1992 | CA2090613A1 Slow release compositions |
| 02/25/1992 | US5091348 Mixing hydrated oxide sols, dehydrating to form homogeneous gel, heating |
| 02/25/1992 | US5091009 For forming inorganic film on glass, ceramic, metal, or plastic surface |
| 02/12/1992 | EP0470491A1 Preparation of aluminium titanate from organometallic oligomer |
| 02/12/1992 | CN1015448B Transparent non-vitreous ceramic particulate |
| 02/12/1992 | CN1015438B Process for preparing titanium dioxide |
| 02/11/1992 | US5087437 Process for preparing crystalline mixed metal oxides |
| 02/11/1992 | CA2043676A1 Preparation of aluminum titanate from organometallic oligomer |
| 02/05/1992 | EP0469053A1 Preparation of thin film ceramics by sol gel processing |
| 01/30/1992 | DE4124547A1 Selective extn. of titanium as tetra:chloride |
| 01/28/1992 | US5084422 Potassium hexatitanate fibers having tunnel structure, process for producing the same, and composite material containing said fibers |
| 01/21/1992 | US5082887 Aggregated composite mineral pigments |
| 01/21/1992 | US5082812 Of barium or strontium, purity |
| 01/21/1992 | US5082648 From calcium carbonate, water, titanium alkoxide ! |
| 01/15/1992 | EP0426731A4 Sintered high titanium agglomerates |
| 01/14/1992 | US5080880 Niobium Pentachloride, Niobium Pentoxide, Hydrochloric Acid |
| 01/02/1992 | EP0463435A1 Use of magnesium titanate powder |
| 12/24/1991 | CA1293356C Process for the production of titanium dioxide |
| 12/17/1991 | US5073360 Bridge/lamellar metallic oxides |
| 12/12/1991 | DE4118750A1 Sinterable powder prodn. from polymerisable metal carboxylate cpds. - by polymerising homogeneous mixt. and heating, useful for making special ceramics |
| 12/10/1991 | CA1292858C Process for preparing titanium dioxide in the form of spherical particlesby hydrolysis of ti(iv) |
| 12/04/1991 | CN1014975B Layered oxides containing interlayer polymeric oxides and their syntesis |
| 11/28/1991 | WO1991017956A1 Production of acid soluble titania |
| 11/26/1991 | US5068093 Method for producing titanium dioxide |
| 11/26/1991 | US5068056 Aqueous dispersions of acicular titanium dioxide |
| 11/21/1991 | EP0457120A1 Process for preparing titanium dioxide |
| 11/19/1991 | US5066530 Ultraviolet Sunscreen |
| 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 | US5061473 Titanium dioxide, a process and its production |
| 10/29/1991 | US5061460 Method for manufacturing titanium oxide |
| 10/17/1991 | WO1991015426A1 NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS |
| 10/15/1991 | US5057150 Production of aluminum master alloy rod |
| 10/09/1991 | EP0451001A1 Strontium and lanthanide mixed oxides and laser using single crystals of these oxides |
| 10/09/1991 | EP0449892A1 Extraction and purification of titanium products from titanium bearing minerals. |
| 10/09/1991 | CN1014233B Oligomerization of olefins |
| 10/08/1991 | US5055434 Sinterable pulverulent raw material based on aluminum titanate, a process for its preparation and the sintered bodies produced therefrom and their use |
| 10/08/1991 | CA1290136C Process for preparing fine particles of metal oxides |
| 10/01/1991 | US5053580 From mixtures of vaporized chromyl chloride, titanium tetrachloride, and vanadyl chloride by laser pyrolysis |
| 09/25/1991 | EP0448441A1 Process for the preparation of a titanate of a divalent or trivalent cation |
| 09/25/1991 | EP0240507B1 Chlorination of ores containing alkali or alkaline earth values |
| 09/24/1991 | US5051394 Precipitation and roasting |
| 09/17/1991 | US5049371 Process for the preparation of monodisperse ceramic powders |
| 09/17/1991 | US5049309 Cosmetics |
| 09/15/1991 | CA2038200A1 Process for the preparation of bivalent or trivalent cation titanate |
| 09/10/1991 | US5047388 Superconductor and method for its production |
| 09/04/1991 | EP0444798A2 Method for the preparation of titanium dioxide |
| 09/03/1991 | US5045301 Moldable/extrudable titanium dioxide particulates |
| 08/14/1991 | EP0107700B1 Method for fabricating ceramic materials |
| 08/13/1991 | US5039636 Preparation of aluminum titanate from an organometallic oligomer |
| 08/13/1991 | CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 08/13/1991 | CA1287611C Layered metal oxides containing interlayer oxides and their synthesis |
| 08/13/1991 | CA1287476C Method for manufacturing fine lead titanate powders |
| 08/13/1991 | CA1287472C Method for producing a flaky material |
| 08/07/1991 | EP0440406A2 Process for producing titanium dioxide |
| 08/07/1991 | EP0439620A1 Method of producing pulverized perovskite compound |
| 08/06/1991 | CA1287285C Method for flocculating suspensions containing swelled layered chalcogenide |
| 07/31/1991 | EP0438850A1 Process of using an improved flue in a titanium dioxide process |
| 07/31/1991 | EP0438839A1 Electrical conductors formed of sub-oxides of titanium |
| 07/30/1991 | CA2035085A1 Process for producing titanium dioxide |
| 07/16/1991 | US5032376 Method for producing aluminum titanate |
| 07/16/1991 | US5032375 Coprecipitation, heating |
| 07/16/1991 | US5032176 Powder metallurgy, reducing titanium tetrachloride |
| 07/09/1991 | US5030439 Reacting titanium tetrahalide with sulfuric acid to produce titanyl sulfate which is hydrolyzed, calcining |
| 06/26/1991 | EP0433915A1 Method of forming metal oxide film by using metal alkoxide solution |
| 06/26/1991 | EP0433450A1 Method of obtaining complex oxides |
| 06/25/1991 | US5026527 Pressure release valve on receiving vessel controlled by means of signal from flow meter which measures flow rate of reaction products flowing from autoclave to receiver to maintain constant flow rate |
| 06/18/1991 | US5024827 Fine particulate material |
| 06/12/1991 | EP0431404A2 Formation of titanium, magnesium and zirconium calcium oxides |
| 06/12/1991 | EP0431377A1 Process for the preparation of finely divided ceramic oxide powder from precursor compounds |
| 06/05/1991 | EP0429920A1 Process for the preparation of TiO2 pigments |
| 06/05/1991 | EP0429638A1 Method of hydrolyzing metal halides |
| 06/05/1991 | EP0330697A4 Preparation of abo 3? compounds from mixed metal aromatic coordination complexes |
| 06/04/1991 | US5021607 Titanium containing silicate catalyst |
| 06/03/1991 | CA2031330A1 Process for the preparation of finely divided ceramic oxide powders from precursor compounds |
| 05/22/1991 | EP0427878A1 Process and apparatus for the preparation of titanium dioxide |
| 05/22/1991 | EP0343188A4 Electrically conductive titanium suboxides |
| 05/21/1991 | US5017534 Method for the fabrication of a ceramic material by hybrid chemical process and material obtained thereby |
| 05/15/1991 | EP0426731A1 Sintered high titanium agglomerates. |
| 05/14/1991 | US5015360 Catalytic hydrocracking with chromium, tungsten, iron cobalt and nickel on silicates or silica |
| 05/14/1991 | US5015264 Flocculation and dewatering titanium dioxide formed by oxidation of titanium chloride, comminution of aggregates to form free-flowing powder |
| 05/07/1991 | US5013706 Chromium oxide, titanium oxide, vanadium oxide, selectivity to mono-olefins |
| 05/07/1991 | US5013538 Preparation of alkaline earth metal titanates |
| 05/02/1991 | EP0425252A1 Metal oxide porous ceramic membranes with small pore sizes |
| 05/02/1991 | EP0425000A1 Process for the concentration of sulphuric acid and water containing fluid |