| Patents for C01G 23 - Compounds of titanium (11,177) |
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| 02/15/1994 | US5286276 Quenching system to prevent loss of fluidity in a reaction vessel |
| 02/11/1994 | CA2100313A1 Oxidation of titanium tetrachloride |
| 02/02/1994 | EP0581216A1 Process for producing particles and coating films of titanium oxide |
| 01/29/1994 | CA2101360A1 Process for producing particles and coating films of titanium oxide |
| 01/27/1994 | DE4324655A1 Barium titanate-based compsn. - used for thermistors with negative temp. coefficient |
| 01/25/1994 | CA1326345C Nonpigmentary titanium dioxide powders |
| 01/20/1994 | WO1994001361A1 Method and apparatus for making nanometer sized particles |
| 01/11/1994 | US5277816 Process for producing titanium dioxide |
| 12/23/1993 | WO1993025611A1 Inorganic fillers and organic matrix materials whose refractive index is adapted |
| 12/16/1993 | DE4219287A1 Anorganische Füllstoffe und organische Matrixmaterialien mit Brechungsindex-Anpassung Inorganic fillers and organic matrix materials having a refractive index matching |
| 12/07/1993 | US5268337 Ceramic oxide powders and the formation thereof |
| 11/30/1993 | US5266173 Titanium oxy sulfate reducing agents |
| 11/30/1993 | US5266108 Using compacted titanium dioxide pigment particles in the cooling section of the chloride process for making TiO2 |
| 11/25/1993 | WO1993023333A1 Process for making inorganic gels |
| 11/25/1993 | CA2135875A1 Process for making inorganic gels |
| 11/23/1993 | US5264033 Process for producing titanium dioxide pigment for photograph and photographic support comprising same |
| 11/18/1993 | DE4216122A1 Highly pure titanium di:oxide prodn. from titanium tetra:halide - by reacting with aq. sulphuric acid without crystallisation of titanyl sulphate, removing hydrogen halide, hydrolysis and calcination |
| 11/17/1993 | CN1022751C Method for preparing nonpigmentary titanium dioxide powders |
| 11/16/1993 | US5262373 Alkali metal salt oxidizer |
| 11/11/1993 | WO1993022386A1 Improved process for preparing silica coated inorganic particles |
| 11/10/1993 | EP0568670A1 Regeneration of hydrochloric acid. |
| 11/10/1993 | CN1078214A Method for prodn. of titanium dioxide |
| 11/09/1993 | US5260353 Hydrophobicity through metal ion activation |
| 11/09/1993 | US5260094 Preparing densified low porosity titania sol-gel forms |
| 11/09/1993 | CA1323977C Nitrogen-free process for chloride-route tio_pigment manufacture |
| 10/27/1993 | CN1077695A Process for preparing titanate |
| 10/27/1993 | CN1022579C Process for preparing reduced titanite ore powder |
| 10/26/1993 | US5256617 Vacancy titanates intercalated with cationic hydroxy aluminum complexes |
| 10/26/1993 | US5256389 High surface area metal oxide foams |
| 10/13/1993 | EP0565064A1 Method for film formation of barium titanate |
| 10/05/1993 | US5250162 Using electrochemical cell |
| 09/30/1993 | WO1993019131A1 Platelet-like colored pigments and process for producing the same |
| 09/30/1993 | CA2132853A1 Platelet-like colored pigments and process for producing the same |
| 09/29/1993 | EP0562400A1 A sliding member, a method for producing same, and usages of same |
| 09/29/1993 | CN1076734A Tetravalent titanium electrolyte and trivalent titanium reducting agent dbtaineo thereby |
| 09/29/1993 | CN1076707A Platelet-like colored pigments and process for producing the same |
| 09/21/1993 | US5246553 Redox system |
| 09/16/1993 | WO1993018207A1 Tetravalent titanium electrolyte and trivalent titanium reducing agent obtained thereby |
| 09/16/1993 | CA2131304A1 Tetravalent titanium electrolyte and trivalent titanium reducing agent obtained thereby |
| 09/15/1993 | CN1022100C Method for producing particulate titanium dioxide |
| 09/14/1993 | CA1322099C Process for the fabrication of baryum and (or) strontium titanate crystals, and the said crystals |
| 09/08/1993 | EP0559319A2 Oil-in-water emulsions |
| 09/08/1993 | EP0416015B1 Process for preparing titanium dioxide |
| 09/07/1993 | US5242674 Process for preparing crystalline mixed metal oxides |
| 09/07/1993 | US5242557 Mixing an aqueous solution of titanium halide with particulate titanium dioxide nuclei, heating in sealed vessel |
| 09/01/1993 | EP0316390B1 Method for producing a fine powder of metal oxide (zirconium, hafnium, titanium) having a specific surface or a predetermined grain size |
| 09/01/1993 | CN1075696A Preparation of barium hydroxide by desulphation |
| 08/25/1993 | EP0556311A1 Aggregated composite mineral pigments |
| 08/25/1993 | EP0556224A1 Method for producing a powder of mixed metal oxides |
| 08/24/1993 | US5238661 Reacting titanium or titanyl chloride with excess nitric acid and, optionally, H2O2 to oxidize chloride |
| 08/19/1993 | WO1993016000A1 Acid regeneration |
| 08/17/1993 | US5236874 Method for forming a material layer in a semiconductor device using liquid phase deposition |
| 08/10/1993 | US5234556 Irradiating a metalalkoxide solution to break the metal-alkoxy group bond; forming metal oxide prepolymer |
| 08/05/1993 | DE4202695A1 Pyrogenic, hydrophobic titanium di:oxide modification for toner additives for copiers - comprises spraying with a mixt. of tri:methoxy:octyl:silane and di:amino:propyl:tri:ethoxy:silane and tempering, gives solvent-free toner |
| 07/28/1993 | EP0214308B1 Method for preparing super-fine spherical particles of metal oxide |
| 07/27/1993 | US5231018 Rhodococcus cultured on fly ash for extraction of metal oxides with adsorption and agglomeration |
| 07/22/1993 | WO1993014023A1 Process for the production of a powder of fine particles and a plant for performing said process |
| 07/20/1993 | US5229087 Process for the preparation of titanium dioxide |
| 07/20/1993 | US5228885 Process of concentrating a dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant |
| 07/07/1993 | EP0549657A1 Superconducting materials |
| 07/07/1993 | CN1073959A Particle adsorption method |
| 07/06/1993 | US5225178 Extraction and purification of titanium products from titanium bearing minerals |
| 07/06/1993 | US5224986 Procss for the recovery of titanium values |
| 06/24/1993 | WO1993012184A1 Process for particle adsorption |
| 06/24/1993 | CA2124849A1 Process for particle adsorption |
| 06/23/1993 | EP0547666A1 Novel antibacterial metal-ions releasing minerals |
| 06/16/1993 | EP0546020A1 Slow release compositions |
| 06/15/1993 | US5219611 Adding to solution of titanium tetraalkoxide and solvent water to cause hydrolysis and condensation, forming into film or monolith, curing |
| 06/09/1993 | EP0545135A1 Production of sols of metal oxides by electrolysis |
| 06/02/1993 | CN1072740A Preparation of metal oxide sols by electrolysis |
| 06/02/1993 | CN1072658A Producing method for porcelain very-fine powder of thermal-sensitive resistor with positive temp. coefficient |
| 06/01/1993 | US5215580 Addition of tin dioxide, rounded by heat treatment |
| 05/31/1993 | CA2084024A1 Preparation of metal oxide sols by electrolysis |
| 05/27/1993 | WO1993010038A1 Regeneration of hydrochloric acid |
| 05/27/1993 | DE4238678A1 Prodn. of strontium titanate thin films on substrate - comprises dipping substrate into aq. soln. contg. strontium ions and titanium alkoxide(s) |
| 05/19/1993 | CN1072154A Process for recovering sulfuric acid from metallic sulfate-containing exhaust sulfuric acid. |
| 05/13/1993 | DE4136512A1 Compsn. for making conc. neutral metal oxide sol |
| 05/12/1993 | EP0541002A1 Process for recovering sulfuric acid from metal sulfate-containing waste sulfuric acid |
| 05/09/1993 | CA2082256A1 Process for recovering sulfuric acid from metallic sulfate-containing exhaust sulfuric acid |
| 05/04/1993 | US5207973 Atomizing drops of aqueous solution by pulsed electric field; forming metal hydroxide; drying |
| 04/28/1993 | EP0332686B1 Process for preparing metallic oxides |
| 04/28/1993 | CN1071396A Mixing method of titanium white crystal inversion accelerating agent for preparing by vapour phase oxidation |
| 04/21/1993 | CN1071145A Preparation of rutile-type titanium dioxide by using of ferrous chloride |
| 04/20/1993 | US5204083 Process for preparing titanium dioxide |
| 04/13/1993 | US5202201 Solid phase |
| 04/13/1993 | US5201949 High pressure oxidation of titanium tetrachloride |
| 04/07/1993 | EP0535972A1 Method of preparing sunscreens |
| 04/06/1993 | US5200167 Method for the preparation of spherical, fine particle titanium oxide |
| 04/01/1993 | WO1993001883A3 Structural aggregate-tio2 pigment products |
| 03/31/1993 | CA2057115A1 Preparing densified titania sol gel forms |
| 03/30/1993 | US5198269 Process for making sol-gel deposited ferroelectric thin films insensitive to their substrates |
| 03/25/1993 | DE4131577A1 Disposable non-thixotropic metal hydroxide prodn. - from cyclone dust in titanium di:oxide mfr. by filtering acidic paste and oxidn. using before neutralising |
| 03/23/1993 | US5196388 Process for the preparation of double metal oxide powders containing a Group IIIA and a Group IVB element and a novel double metal hydroxyl carboxylate useful in preparing same |
| 03/23/1993 | US5196181 Oxidation of vaporous titanium tetrachloride; indirect preheating of oxygen; forming protective film on peripheral wall |
| 03/18/1993 | DE4136678A1 Calciner gas heat utilisation in titanium di:oxide mfr. by sulphate process - by indirect heat exchange of unpurified gas with medium used to concentrate acid |
| 03/17/1993 | EP0532186A1 Quench system |
| 03/17/1993 | EP0532114A1 Process for the preparation of aqueous ceramic suspensions and use of these suspensions |
| 03/17/1993 | EP0532084A1 Process for the preparation of mixed metal oxide powder and its use for the production of capacitors and electrical resistors |
| 03/16/1993 | US5194124 Molten salt electrolytic beneficiation of iron oxide-containing titaniferous ores to produce iron and high-grade TiO2 |
| 03/10/1993 | EP0531005A2 Micro-emulsions |