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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7771679 | Process for the recovery of titanium dioxide from titanium-containing compositions The present invention seeks to improve beneficiation of a titanium oxide-containing composition (such as a low-grade or highly radioactive TiO2 ore) by combining a roasting and selective leaching steps. ... | 08/10/2010 |
| 7618601 | Process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elements A process for the enrichment of anatase mechanical concentrates, in order to obtain synthetic rutile with low contents of rare earth and radioactive elements, comprising the steps of: calcination of the anatase concentrate; reduction of the calcined product; dry or ... | 11/17/2009 |
| 6375923 | Processing titaniferous ore to titanium dioxide pigment A hydrometallurgical process is provided for producing pigment grade TiO2 from titaniferous mineral ores, and in particular from ilmenite ore. The ore is leached with a hydrochloric acid, preferably a recycled solution at high hydrochloric acid... | 04/23/2002 |
| 5478538 | Removal of radioactivity from zircon The specification discloses a process for removing radionuclides from zircon. The process involves thermally decomposing the zircon in the presence of suitable additives, extracting the radionuclides chemically and recovering zirconia and silica. Suitable... | 12/26/1995 |
| 5427749 | Production of synthetic rutile The specification describes a process for producing synthetic rutile from a titaniferous ore or concentrate. The process involves three basic steps which are reduction, removal or iron by leaching or aeration and removal of other impurities by leaching in... | 06/27/1995 |
| 5411719 | Production of acid soluble titania Accordingly the present invention provides a process for producing acid soluble titania which process comprises the steps of: (i) adding a manganese or magnesium compound to a titaniferous mineral if the mineral does not contain sufficient manganese and magnes... | 05/02/1995 |
| 5378438 | Benefication of titaniferous ores A process for beneficiation of titaniferous ores is disclosed in which a titanium and iron-containing ore, such as ilmenite is heated with potassium hydroxide, e.g. at temperatures of about 350°-650° C. and then treating the product with carbon monoxide... | 01/03/1995 |
| 5348696 | Integrated lunar materials manufacturing process A feed material which is a mixture of chemically reduced lunar ilmenite and lunar agglutinates having a particle size in the range of 20-200 microns produced by hydrogen reduction in a fine particulate state is compacted into a shape and sintered to produ... | 09/20/1994 |
| 5324355 | Thermally split zirconium silicate, method of its production and use Thermally split zirconium silicate is produced such that the crystalline zirconium dioxide embedded in an amorphous silica phase exhibits an average grain or particle size (d50 value) in a range of 0.5 μm to 3.0 μm and a specific surface area... | 06/28/1994 |
| 4731230 | Process for the preparation of TiCl4 An improved process for the preparation of TiCl4 comprising (a) chlorinating a raw material containing titanium and vanadium impurities to produce a crude TiCl4 reaction product, (b) separating the crude reaction product into solid by-products... | 03/15/1988 |
| 4684404 | Dissolution of noble metals The invention provides a reagent suitable for the dissolution of metallic gold and various methods for the application of the reagent including gold analysis, gold extraction, gold separation and the in-situ treatment of gold deposits. The reagent uses a ... | 08/04/1987 |
| 4521385 | Recovery of titanium values Titanium and iron values are recovered from ores, concentrates and slags by effecting solid-state reduction and carburization to form titanium carbide and carburized iron, separation of the carburized iron, and low temperature chlorination of the titanium... | 06/04/1985 |
| 4425308 | Production of a purified alumina-silica product and substantially pure aluminum chloride from bauxites and clays At least a single stage chlorination system for the production of a substantially iron-free alumina-silica product from Bauxites, Bauxitic Clays and Clays wherein at least one chlorination agent is selected from the group consisting of Cl2, COC... | 01/10/1984 |
| 4425311 | Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays At least a two-stage chlorination system for the production of a substantially iron-free alumina-silica product from Bauxites and Clays wherein in a preferred embodiment of the invention the chlorination agent is selected from the group consisting of Cl | 01/10/1984 |
| 4425310 | Production of aluminum chlorides from bauxites and clays At least a two stage chlorination system for the production of aluminum trichloride and aluminum monochloride wherein in the gas stream containing the highest percentages of aluminum chloride produced CO2 is present and the said gas stream is p... | 01/10/1984 |
| 4425309 | Production of a purified alumina-silica product and substantially pure aluminum trichloride from bauxites and clays At least a single stage chlorination system for the production of a substantially iron-free alumina-silica product from Bauxites, Bauxitic Clays and Clays wherein at least one chlorination agent is selected from the group consisting of Cl2, HCl... | 01/10/1984 |
| 4395384 | Process for treating zircon A process for the treating of zircon to remove a coating which contains iron from the surface of individual grains to make them move amenable to electrostatic and magnetic separation, wherein the method comprises coating the zircon grains with a strong ba... | 07/26/1983 |
| 4277446 | Removal of iron and titanium minerals from aluminum bearing materials by chlorination and beneficiation A process for the removal of iron and titanium minerals from aluminum bearing materials in at least one chlorination stage by the use of an excess of aluminum trichloride as at least the major chlorinating agent for the contained iron and titanium mineral... | 07/07/1981 |
| 4268485 | Process for the separation of radioactive impurities of baddeleyite A process for separating radioactive impurities from baddeleyite to obtain zirconium dioxide containing only traces of radioactive impurities, comprising grinding the baddeleyite preferably to a particle size of a maximum of 2% greater than 0.06 mm and th... | 05/19/1981 |
| 4256266 | Process to obtain anathase concentrates from an anathase ore Process of obtaining an anathase concentrate from an anathase ore comprehends the reduction of the anathase ore to dimensions inferior to 125 mm; disaggregation in water; classification of the suspension and elimination of slimes and silicates; grinding o... | 03/17/1981 |
| 4225422 | Beneficiation of heavy minerals from bituminous sands residues by dry screening The titanium and zirconium-based minerals, present in the first stage centrifuge tailings from the hot water process for extraction of bitumen from bituminous sands, may be concentrated by a dry screening process. The tailings are burned off to provide a ... | 09/30/1980 |
| 4176159 | Process for concentration of titanium containing anatase ore The process basically consists of the removal of the impurities contained in titanium minerals, in which titanium is present in the form of oxides in complex association with other minerals which cannot be eliminated by the conventional hydro-metallurgica... | 11/27/1979 |
| 4158041 | Separation of ilmenite and rutile This invention relates to a process for separating rutile and ilmenite from ilmenite leach tails and is effected by treating the leach tails from an acidic leach to a flotation step whereby gangue is separated from the unreacted ilmenite and rutile. The l... | 06/12/1979 |
| 4150093 | Method for concentrating heavy minerals in the solids tailings from hot water extraction of tar sands An oily mass of solids tailings is derived from flotation of bitumen during hot water extraction of bituminous sands, and subsequent separation of most of the bitumen from associated solids. This oily mass contains a high concentration of heavy minerals, ... | 04/17/1979 |
| 4138467 | Method for concentrating heavy minerals in the solids tailings from hot water extraction of tar sands An oily mass of solids tailings is derived from flotation of bitumen during hot water extraction of bituminous sands, and subsequent separation of most of the bitumen from associated solids. This oily mass contains a high concentration of heavy minerals, ... | 02/06/1979 |
| 4131539 | Removing rutile from zircon electrostatically Titanium dioxide component is removed from a mineral containing titanium dioxide component which is difficult to be separated by the conventional electrostatic separation. In the electrostatic separation from the mineral containing titanium dioxide compon... | 12/26/1978 |
| 4085190 | Production of rutile from ilmenite A catalytic ilmenite reduction procedure is described which provides a magnetic fraction consisting of the iron and titanium values of the ilmenite ores and a non-magnetic gangue. The magnetic fraction, after solubilization of the reduced iron, provides b... | 04/18/1978 |
| 4067953 | Process for upgrading ores containing baddeleyite Minerals, for example, zirconium minerals, are subjected to a chemical process of comminution, in particular with the aid of strong acids. These acids dissolve the carbonatic and silicious cements which hold together the crystalline forms of different min... | 01/10/1978 |
| 4038364 | Reduction of iron in titanium ore In the production of synthetic rutile from a titanium and iron-containing ore by reducing most of the iron(III) in said ore into iron(II) with a steam-containing gaseous reducing agent at a temperature of about 850° to 1100° C, followed by leaching to r... | 07/26/1977 |
| 3979372 | Preparation of titanium trichloride polymerization catalyst component It is known to prepare highly active catalyst components for a Ziegler polymerization catalyst by reduction of titanium tetrachloride with an aluminum alkyl. An improvement in the preparation of such catalysts which leads to production of highly sterospec... | 09/07/1976 |
| 3961940 | Post-treatment of ilmenite ore subjected to selective chlorination treatment Process for post-treating a chlorinated ilmenite ore which has undergone a selective chlorination treatment in the presence of a solid carbonaceous material, which comprises subjecting the chlorinated ilmenite ore to a magnetic separation in a high magnet... | 06/08/1976 |
| 3935094 | Magnetic separation of ilmenite Purification of ilmenite from chromite impurities by a two step magnetic separation wherein magnetically susceptible chromite is magnetically removed, followed by an oxidizing roasting of the ilmenite and a subsequent magnetic separation of ilmenite from ... | 01/27/1976 |
