| Patents for C01G 23 - Compounds of titanium (11,177) |
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| 05/01/1991 | CN1051027A Method for producing particulate titanium dioxide |
| 04/30/1991 | US5011674 Method of producing titanium oxides |
| 04/30/1991 | CA1283647C Layered silicates and their synthesis |
| 04/30/1991 | CA1283646C Layered metal oxides containing interlayer oxides and their synthesis |
| 04/28/1991 | CA2024547A1 Process and apparatus for concentrating a liquid which contains sulfuric acid and water |
| 04/24/1991 | EP0424058A1 Method for producing particulate titanium oxides |
| 04/23/1991 | US5009879 Opacifier for vitreous enamels |
| 04/23/1991 | US5009876 Pyrolysis of barium titanyl oxalate, made from oxalic acid, barium chloride, titanium oxychloride |
| 04/17/1991 | EP0422386A1 Process for preparing a superconductor based on oxalate |
| 04/17/1991 | CA2019387A1 Method for producing particulate titanium oxides |
| 04/09/1991 | US5006175 High infra red reflecting brown rutile pigment compositions |
| 03/27/1991 | EP0418632A1 Process for the preparation of titanium dioxide |
| 03/26/1991 | US5002646 Method for making titanium nitride |
| 03/20/1991 | CN1012059B Method and equipment for continuous washing of titanium dioxide hydrates |
| 03/17/1991 | CA2025456A1 Process for the preparation of titanium dioxide |
| 03/12/1991 | US4999181 Method of manufacturing titanium dioxide powder |
| 03/07/1991 | WO1991002697A1 Method of producing pulverized perovskite compound |
| 02/27/1991 | EP0413824A1 Production of spherical particulate titanium oxide |
| 02/20/1991 | EP0413564A2 Formation of polymeric metal oxide materials |
| 02/07/1991 | WO1991001355A1 Moisture resistant sodium titanate and potassium titanate |
| 02/06/1991 | EP0411053A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide |
| 01/29/1991 | US4988495 Process for the recorvery of sulphuric acid in the production of titanium dioxide |
| 01/22/1991 | US4987012 Maintaining constant ph during alkaline hydrolysis of metal alkoxide in seeded dispersion |
| 01/22/1991 | US4986742 Extraction of titanyl sulfate with an organophosphorus compound |
| 01/16/1991 | EP0408326A1 Method for manufacturing a composite oxide thin film |
| 01/15/1991 | US4985380 Method of making thin refractory flakes |
| 01/09/1991 | EP0406605A1 Process for the calcination of filter cakes in directly heated rotary furnaces |
| 01/08/1991 | US4983374 Methods for forming titanium calcium oxide and zirconium calcium oxide |
| 01/02/1991 | CA1278417C Process for manufacture of metal oxide |
| 01/01/1991 | US4981819 Phase transfer catalyst |
| 12/30/1990 | CA2020013A1 A process for the calcination of filter cakes in directly heated rotary kilns |
| 12/27/1990 | EP0403473A1 Process for preparing monodisperse titania spheres |
| 12/27/1990 | CA1278169C Process for the production of titanium dioxide pigments |
| 12/26/1990 | CN1048080A Mfg. method of material and element having positive temp. coefficient for vehicles under cold-starting |
| 12/25/1990 | US4980333 Perovskite-related layered oxides containing interspathic polymeric oxide |
| 12/14/1990 | WO1990015775A1 Method of hydrolyzing metal halides |
| 12/14/1990 | CA2034004A1 Method of hydrolyzing metal halides |
| 12/12/1990 | CN1010770B Process for preparing pigmentary titanium dioxide |
| 11/12/1990 | WO1990013614A1 Production of acid soluble titania |
| 11/07/1990 | EP0396389A1 Production of aluminum master alloy rod |
| 11/06/1990 | US4968498 Hydrolysis of alcoholate in presence of acid or derivative |
| 11/06/1990 | CA1275783C Preparation of unagglomerated metal oxide particles with uniform particle size |
| 10/24/1990 | EP0393857A1 Coated titanium dioxide particles, process for producing them and their use |
| 10/24/1990 | EP0393430A2 Process for the preparation of titanium dioxide |
| 10/22/1990 | WO1990012755A1 Preparation of thin film ceramics by sol gel processing |
| 10/22/1990 | CA2065381A1 Preparation of thin film ceramics by sol gel processing |
| 10/20/1990 | CA2013224A1 Particulate material |
| 10/17/1990 | CA2014485A1 Process for the production of titanium dioxide |
| 10/10/1990 | EP0391448A2 Method for production of powder of fine inorganic particles |
| 10/10/1990 | EP0391447A2 Method for production of inorganic oxide particles |
| 10/09/1990 | US4961889 Process for producing inorganic fiber |
| 10/04/1990 | WO1990011249A1 Method of obtaining complex oxides |
| 10/03/1990 | CN1045762A Process for producing sub-micron ceramic powders of perovskite compounds with controlled stoichiometry and particle size |
| 09/25/1990 | CA1274375A1 Process for the preparation of ticl.sub.4 |
| 09/18/1990 | US4957888 Method of manufacturing ceramic powders having the perovskite structure |
| 09/13/1990 | DE3938692C1 Prodn. of titanium di:oxide using the sulphate process - includes using sulphuric acid, wash water, etc. contg. specified total max. levels of chloride and calcium ions to prevent corrosion |
| 09/07/1990 | WO1990009963A1 Production of spherical particulate titanium oxide |
| 09/07/1990 | WO1990009844A1 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide |
| 09/05/1990 | EP0261590B1 Process for the preparation of metal oxides or mixed metal oxides |
| 09/04/1990 | US4954476 Method of making catalysts from titanium oxide |
| 08/29/1990 | EP0272306B1 Oligomerization of olefins |
| 08/29/1990 | EP0271563B1 Layered silicates and their synthesis |
| 08/29/1990 | EP0270659B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 08/22/1990 | EP0257373B1 Process for the preparation of titanium dioxide pigments |
| 08/22/1990 | EP0180900B1 Process for the adjustment of the structure and/or surface characteristics of oxidized materials |
| 08/16/1990 | EP0382310A2 Process for preparing monoliths of aerogels of metal oxides |
| 08/08/1990 | CN1009079B Prodn. of titanium |
| 08/07/1990 | US4946810 Preparation of ABO3 compounds from mixed metal aromatic coordination complexes |
| 07/31/1990 | US4944936 Titanium dioxide with high purity and uniform particle size and method therefore |
| 07/24/1990 | US4943419 Process for recovering alkali metal titanium fluoride salts from titanium pickle acid baths |
| 07/04/1990 | EP0376508A1 Process for producing submicron ceramic powders of perovskite compounds with controlled stoichiometry and particle size |
| 07/04/1990 | EP0376453A1 The oxidation of saturated hydrocarbon chains |
| 07/04/1990 | EP0376216A1 Titanium dioxide aggregates, process for producing same and electrophotographic photosensitive material containing same |
| 07/04/1990 | EP0376031A2 Process for the recovery of sulfuric acid in the production of titanium dioxide |
| 06/28/1990 | WO1990006898A1 Extraction and purification of titanium products from titanium bearing minerals |
| 06/27/1990 | EP0375594A1 Preparation of thin films of ferroelectric materials |
| 06/27/1990 | EP0374754A1 Coating composition and a process for manufacturing the same |
| 06/27/1990 | CN1043296A Titanium oxide with stable properties |
| 06/26/1990 | US4937219 Oxidation or reduction catalyst, inflammable gas sensor |
| 06/26/1990 | US4937213 Process for preparing titanates and zirconates |
| 06/26/1990 | US4937064 Reaction titanium tetra chloride with oxygen and cooling; antiagglomeration |
| 06/26/1990 | US4937062 High speed atomizing of metal salt solution into very hot gases in reactor; conversion to oxides |
| 06/24/1990 | CA2006396A1 Process for the recovery of sulphuric acid in the production of titanium dioxide |
| 06/14/1990 | WO1990006291A1 Process for producing sub-micron ceramic powders of perovskite compounds |
| 06/13/1990 | CN1008356B Preparation of rutile type pigment titanium white by high activity crystal |
| 06/13/1990 | CA2005305A1 Electrically conductive zirconia-based sintered body and process for the production thereof |
| 06/09/1990 | CA2004984A1 Process for producing sub-micron ceramic powders of perovskite compounds with controlled stoichiometry and particle size |
| 06/06/1990 | EP0371343A1 Titanium dioxide, process for its preparation and use thereof |
| 06/06/1990 | EP0371329A2 Titanium dioxide, process for its preparation and its use |
| 06/06/1990 | EP0371152A1 Metal oxide powders, their mixtures, mixed metal oxide powders, their mixtures and use thereof for the catalytic dehydrogenation of hydrocarbons |
| 06/05/1990 | US4931213 Reducing titania with metal-intercalated graphite; corrosion resistant ceramic recovered |
| 06/05/1990 | EP0305502A4 Process for the production of group ivb transition metal-alkali metal-fluoride salts and purification thereof. |
| 06/05/1990 | CA1270001A1 Oligomerization of olefins |
| 05/30/1990 | EP0370701A1 Method for making pigment flakes |
| 05/30/1990 | CN1042527A Treatment for waste acid |
| 05/29/1990 | US4929587 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with polymeric chalcogenide precursor in inert atmosphere |
| 05/29/1990 | US4929575 Melt processable, green, ceramic precursor powder |
| 05/29/1990 | US4929381 Inorganic anion exchangers and preparation thereof |
| 05/29/1990 | CA2003935A1 Titanium dioxide, a process for its production and its use |
| 05/29/1990 | CA2003932A1 Titanium dioxide, a process for its production and its use |