| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 423561100 | Binary compound | 41 |
| 20100021370 | Flotation Reagents and Flotation Processes Utilizing Same - Methods of enhancing recovery of value sulfide or precious minerals from an ore containing Mg-silicate, slime forming minerals, and/or clay by crushing the ore, grinding the ore, and subjecting the ground ore to a flotation process, in conjunction with the addition of at least one monovalent ion modifier enhancing agent and/or froth phase modifier agent to the ore, are provided herein. | 01-28-2010 |
| 20100034728 | Method for producing layer-structure nanoparticles - Provided is a method of producing layer-structure nanoparticles, which includes the steps of: producing a liquid mixture by adding a metal halide precursor and a sulfur precursor into an organic solvent containing amine; producing layer-structure metal sulfide nanoparticles by heating the liquid mixture at a predetermined temperature; and separating the metal sulfide nanoparticles from the liquid mixture. | 02-11-2010 |
| 20100172823 | PROCESS AND APPARATUS FOR PRODUCING INORGANIC FULLERENE-LIKE NANOPARTICLES - The present invention provides a process for obtaining fullerene-like metal chalcogenide nanoparticles, comprising feeding a metal precursor selected from metal halide, metal carbonyl, organo-metallic compound and metal oxyhalide vapor into a reaction chamber towards a reaction zone to interact with a flow of at least one chalcogen material in gas phase, the temperature conditions in said reaction zone being such to enable the formation of the fullerene-like metal chalcogenide nanoparticles product. The present invention further provides novel IF metal chalcogenides nanoparticles with spherical shape and optionally having a very small or no hollow core exhibiting excellent tribological behaviour. The present invention further provides an apparatus for preparing various IF nanostructures. | 07-08-2010 |
| 20100316559 | SINGLE-CRYSTAL FINE POWDER OF SULFIDE OR SULFIDE COMPLEX AND METHOD FOR PREPARING THE SAME - This invention provides a fine particle composite comprising fine powder of a sulfide or sulfide complex comprising a given element. The fine particle composite is obtained by a method for producing a fine particle composite comprising fine powder of a sulfide or sulfide complex comprising at least one element selected from the group consisting of molybdenum (Mo), rhodium (Rh), ruthenium (Ru), and rhenium (Re). Such method comprises steps of: preparing a solvent mixture from at least one compound containing an element selected from among molybdenum (Mo), rhodium (Rh), ruthenium (Ru), rhenium (Re), and sulfur (S); and subjecting the solvent mixture to a hydrothermal or solvothermal reaction. The resulting fine particle composite comprises fine particles of a sulfide or sulfide complex comprising at least one element selected from the group consisting of molybdenum (Mo), rhodium (Rh), ruthenium (Ru), and rhenium (Re). | 12-16-2010 |
| 20110008245 | METHOD FOR MANUFACTURING NANOSTRUCTURE AND NANOSTRUCTURE MANUFACTURED BY THE SAME - Provided are methods for producing nanostructures and nanostructures obtained thereby. The methods include heating a certain point of a substrate dipped into a precursor solution of the nanostructures so that the nanostructures are grown in a liquid phase environment without evaporation of the precursor solution. The methods show excellent cost-effectiveness because of the lack of a need for precursor evaporation at high temperature. In addition, unlike the vapor-liquid-solid (VLS) process performed in a vapor phase, the method includes growing nanostructures in a liquid phase environment, and thus provides excellent safety and eco-friendly characteristics as well as cost-effectiveness. Further, the method includes locally heating a substrate dipped into a precursor solution merely at a point where the nanostructures are to be grown, so that the nanostructures are grown directly at a desired point of the substrate. Therefore, it is possible to grow and produce nanostructures directly in a device. As a result, unlike the conventional process, it is not necessary to assemble and integrate the nanostructures produced in a sacrificial substrate into a device. | 01-13-2011 |
| 20110171113 | METHOD FOR SEPARATING RICH ORE PARTICLES FROM AGGLOMERATES WHICH CONTAIN SAID RICH ORE PARTICLES OF VALUE AND MAGNETIZABLE PARTICLES ATTACHED THERETO, ESPECIALLY FE3O4 - In a method for separating rich ore particles from agglomerates which contain said rich ore particles and magnetizable particles attached thereto, especially Fe3O4, in the course of a process for obtaining rich ore from crude ore, in which agglomerates the rich ore particle and the magnetizable particle are bonded by organic molecular chains, the agglomerates are contained in a suspension containing a carrier fluid and are broken up by an input of mechanical energy so that an agent contained in the suspension and decomposing the exposed, hydrophobic molecular chains can act upon the molecular chains. The Fe-containing oxide components are separated from the suspension in a magnetic separation process. | 07-14-2011 |
| 20110195016 | PROCESS AND PLANT FOR PRODUCING CALCINE PRODUCTS - A process for producing calcine products includes dead roasting a metal sulfide concentrate having a low sulfur content. The concentrate is roasted in a circulating fluidized bed at a temperature of about 950 to 1050° C. A waste gas of the fluidized bed is passed through at least one of a recuperator and a Venturi drier so as to respectively provide at least one of a preheating of at least a portion of air fluidizing the fluidized bed and a drying of at least a portion of the concentrate to be roasted. The calcine product obtained in the fluidized bed with a sulfur content of less than 1 wt-% is provided for further processing. | 08-11-2011 |
| 20110262344 | Catalyst for electrochemical reduction of oxygen - The invention relates to a sulphide catalyst for electrochemical reduction of oxygen particularly stable in chemically aggressive environments such as chlorinated hydrochloric acid. The catalyst of the invention comprises a noble metal sulphide single crystalline phase supported on a conductive carbon essentially free of zerovalent metal and of metal oxide phases, obtainable by reduction of metal precursor salts and thio-precursors with a borohydride or other strong reducing agent. | 10-27-2011 |
| 20110305626 | Method of Synthesizing Pyrite Nanocrystals - A method of synthesizing pyrite nanocrystals is disclosed which in one embodiment includes forming a solution of iron (III) diethyl dithiophosphate and tetra-alkyl-ammonium halide in water. The solution is heated under pressure. Pyrite nanocrystal particles are then recovered from the solution. | 12-15-2011 |
| 20110311434 | METHOD FOR MAKING METAL SULFIDE NANOCRYSTALS - A method for making metal sulfide nanocrystals is provided. First, some metal salt powders are provided in a container. Second, superfluous mercaptan is added into the container. Then the superfluous mercaptan and the metal salt are stirred uniformly to get a precursor mixture and the precursor mixture is heated to get the metal sulfide nanocrystals. Lastly, the metal sulfide nanocrystals are separated and washed. | 12-22-2011 |
| 20120045387 | POROUS COPPER SULFIDE NANO/MICRO HOLLOW SPHERE AND METHOD FOR PREPARING THE SAME - The present invention relates to a porous copper sulfide nano/micro hollow sphere and a method for preparing the same. The porous copper sulfide nano/micro hollow sphere of the present invention has plural through holes and a hollow structure so as to increase the reactive area thereof. In particular, the porous copper sulfide nano/micro hollow sphere can be applied in a solar cell to enhance a photoelectric effect. | 02-23-2012 |
| 20120076720 | SULFUR-TOLERANT CATALYST PREPARED THROUGH HIGH PRESSURE DECOMPOSITION - A method of producing a MoS | 03-29-2012 |
| 20160122198 | SOLVENTHERMAL SYNTHESIS OF NANOSIZED TWO DIMENSIONAL MATERIALS - A process of forming two dimensional nano-materials that includes the steps of: providing a bulk two dimensional material; providing lithium iodide; suspending the lithium iodide and bulk two dimensional material in a solvent forming a solution; initiating a solvent thermal reaction forming a lithiated bulk two dimensional material. The resulting lithiated bulk two dimensional material may be exfoliated after the solvent thermal reaction forming a two dimensional layered material. | 05-05-2016 |
| 20160168694 | MOS2 THIN FILM AND METHOD FOR MANUFACTURING SAME | 06-16-2016 |
| 423562000 | Polysulfide | 1 |
| 20090202424 | Calcium-sodium ploysulfide chemical reagent and production methods - A calcium-sodium polysulfide chemical reagent and methods for producing the reagent. The reagent is a blend of calcium polysulfide and sodium polysulfide that can be prepared using various types, sources and ratios of lime, elemental sulfur and sulfide ion using either virgin or waste materials. The reagent is amenable to inexpensive and high rate production methods at ambient or warmer temperatures. The reagent can be used to precipitate metals from wastewater, stabilize hexavalent chrome in hazardous waste residues, remove mercury from coal fired power plants, and as an electrolyte in large-scale bromide/polysulfide electrical storage batteries | 08-13-2009 |
| 423563000 | Hydrogen sulfide | 11 |
| 20100015036 | REACTOR AND METHOD FOR PRODUCTION OF HYDROGEN SULPHIDE - The present invention describes a reactor ( | 01-21-2010 |
| 20130177496 | REACTOR FOR SYNTHESIZING HYDROGEN SULFIDE, APPARATUS FOR PRODUCING HYDROGEN SULFIDE, APPARATUS FOR PRODUCING SODIUM HYDROGEN SULFIDE, METHOD FOR PRODUCING HYDROGEN SULFIDE, AND METHOD FOR PRODUCING SODIUM HYDROGEN SULFIDE - A reactor for synthesizing hydrogen sulfide in which sulfur and hydrogen are subjected to gas-phase reaction in the absence of a catalyst to synthesize hydrogen sulfide, the reactor including: a reactor body that retains liquid sulfur in a bottom portion thereof; a heating unit that gasifies part of the liquid sulfur; a hydrogen gas supply unit that supplies hydrogen gas into the liquid sulfur; and a heat-exchanging portion provided in a gas-phase reaction region located above the liquid surface of the liquid sulfur in the reactor body, wherein heat-exchanging portion is configured such that the reaction temperature in the gas-phase reaction region is controlled to be within a predetermined temperature range by changing the heat exchange amount per unit volume in a gas-phase reaction region located farther from the liquid surface from the heat exchange amount per unit volume in a gas-phase reaction region located closer to the liquid surface. | 07-11-2013 |
| 20150044126 | HYDROGEN SULFIDE GAS PRODUCTION PLANT AND METHOD FOR RECOVERING AND USING WASTE HYDROGEN SULFIDE GAS - An object is to provide a hydrogen sulfide gas production plant that can recover discharged waste hydrogen sulfide gas and efficiently supply the gas to a process plant where processing is conducted by using hydrogen sulfide gas, and also provide a method for recovering and using the waste hydrogen sulfide gas by the hydrogen sulfide gas production plant. In the present invention, the hydrogen sulfide gas production plant is provided with a pipe that recovers the waste hydrogen sulfide gas discharged from the hydrogen sulfide gas production plant and that has one end connected to the process plant where the hydrogen sulfide gas is used, and the discharged waste hydrogen sulfide gas is recovered and the recovered waste hydrogen sulfide gas is supplied to the process plant through the pipe. | 02-12-2015 |
| 20160002038 | PLANT FOR MANUFACTURING HYDROGEN SULFIDE GAS AND METHOD FOR EXHAUSTING HYDROGEN SULFIDE GAS - An object of the present invention is to reduce costs while maintaining safety in exhausting hydrogen sulfide gas. In exhaust facilities of a plant for manufacturing hydrogen sulfide gas, the concentrations of hydrogen sulfide gas leaking from a reaction facility, a cooling facility, and a sulfur removal facility, respectively, are measured by a measuring apparatus, and when a detected concentration is less than a predetermined concentration, a valve is controlled to exhaust hydrogen sulfide gas from a first exhaust pipe into the air, on the contrary, when a detected concentration is not less than a predetermined concentration, the valve is controlled to exhaust hydrogen sulfide gas from a second exhaust pipe to a gas treatment facility. | 01-07-2016 |
| 423564000 | By catalytic reaction | 7 |
| 20080279758 | Configurations and Methods For Effluent Gas Treatment - Sulfur oxides are removed from an oxygen-containing acid gas in configurations and methods in which oxygen is catalytically removed using hydrogen sulfide, and in which the sulfur oxides react with the hydrogen sulfide to form elemental sulfur. A first portion of the remaining sulfurous compounds is reduced to form the hydrogen sulfide for oxygen removal, while a second portion of the sulfurous compounds is further converted to elemental sulfur using a Claus reaction or catalytic direct reduction reaction. | 11-13-2008 |
| 20080279759 | Process For Producing a Purified Gas Stream - A process for producing a purified gas stream from a feed gas stream comprising contaminants, the process comprising the steps of: (a) removing contaminants from the feed gas stream to obtain the purified gas stream and a sour gas stream comprising H | 11-13-2008 |
| 20090053130 | REACTION VESSEL FOR THE PRODUCTION OF HYDROGEN SULPHIDE - The invention relates to a reaction vessel in which hydrogen sulphide is produced from sulphur and hydrogen, wherein the reaction vessel is partially or completely made up of a material which is resistant to the reaction mixture and its compounds and/or elements and which remains resistant even at high temperatures. | 02-26-2009 |
| 20090317322 | METHOD AND DEVICE FOR THE CONTINUOUS PRODUCTION OF HYDROGEN SULFIDE - The invention relates to a process and to an apparatus for preparing hydrogen sulfide H | 12-24-2009 |
| 20100015037 | REACTION VESSEL AND PROCESS FOR ITS USE - The invention relates to a reaction vessel in which hydrogen sulphide is prepared from sulphur and hydrogen, wherein the reaction vessel consists partly or entirely of a material which is resistant to the reaction mixture, its compounds or elements and retains its resistance even at high temperatures. | 01-21-2010 |
| 20100068128 | REACTOR, AND METHOD FOR THE PRODUCTION OF HYDROGEN SULFIDE - The invention relates to a reactor ( | 03-18-2010 |
| 20150344795 | Process For The Production of Synthesis Gas From Hard Coal - A process for the production of synthesis gas from coke is described herein. The process comprises the steps of: (a) subjecting hard coal to dry pyrolysis, resulting in the production of a gas mixture containing hydrogen, methane, nitrogen and carbon monoxide as major constituents and carbon sulphides as minor constituents; (b) subjecting the gas mixture to hydrogenation at a temperature in the range of 200 to 280° C. over a sulphidic cobalt molybdenum catalyst provided on an aluminium oxide carrier material; and (c) separating the hydrogen sulphide obtained from hydrogenation from the gas mixture. | 12-03-2015 |
| 423565000 | Utilizing free sulfur as reactant | 3 |
| 20090087374 | Processes for Producing Synthetic Pyrite - Process of making high purity, synthetic FeS | 04-02-2009 |
| 20100098617 | METHOD AND APPARATUS FOR GENERATING MERCURY (II) SULFIDE FROM ELEMENTAL MERCURY - An approach is provided for generating mercury (II) sulfide from elemental mercury. Elemental mercury is injected into a reaction vessel containing vaporized sulfur. The elemental mercury reacts with at least a portion of the vaporized sulfur to form the mercury (II) sulfide. | 04-22-2010 |
| 20100303711 | Processes for Producing Synthetic Pyrite - Process of making high purity, synthetic FeS | 12-02-2010 |
| 423566100 | Sulfide of Cd, Zn, or Hg | 9 |
| 20080241051 | METHODS OF PROCESSING NANOCRYSTALS, AND COMPOSITIONS, DEVICES AND SYSTEMS INCLUDING SAME - Methods of processing nanocrystals to remove excess free and bound organic material and particularly surfactants used during the synthesis process, and resulting nanocrystal compositions, devices and systems that are physically, electrically and chemically integratable into an end application. | 10-02-2008 |
| 20080311029 | Method of preparing cadmium sulfide nanocrystals emitting light at multiple wavelengths, and cadmium sulfide nanocrystals prepared by the method - A cadmium sulfide nanocrystal, wherein the cadmium sulfide nanocrystal shows maximum luminescence peaks at two or more wavelengths and most of the atoms constituting the nanocrystal are present at the surface of the nanocrystal to form defects. | 12-18-2008 |
| 20090155162 | TREATMENT METHOD FOR OPTICALLY TRANSMISSIVE BODIES - A method of treating zinc sulfide transmissive bodies includes using the same metal layer to treat multiple transmissive bodies, catalyzing the recrystallization of the bodies to remove defects from the bodies and forming multispectral zinc sulfide. The metal layer is brought into contact with one of the transmissive bodies. The transmissive body and the metal layer are then subjected to elevated temperature and pressure. The metal layer may include any of a variety of suitable metals, such as platinum, cobalt, silver, nickel, and/or copper. The metal layer may be a foil that is wrapped around the transmissive body. Alternatively the metal layer may be a rigid metal piece, for example being machined to fit the shape of the transmissive bodies. The reuse of the metal layer to treat multiple transmissive bodies reduces the cost of treating the transmissive bodies. | 06-18-2009 |
| 20100158790 | METHOD FOR PREPARING ANISOTROPIC PARTICLES AND DEVICES THEREOF - The invention provides a simple and cost-effective method for preparing particles such as anisotropic semiconductor nanoparticles (e.g. CdS) and devices thereof. The method comprises (i) dispersing at least part of particle-forming reactants in a self-organized medium such as surfactant-aqueous solution system, and (ii) conducting a particle-forming reaction using the particle-forming reactants dispersed in the self-organized medium under shear condition to form the particles. The anisotropic property of the particles is controlled at least partially by the shear condition. The invention may be used to prepare quantum dots in a liquid crystal, and various devices such as nonlinear optics, optoelectronic devices, and solar cells, among others. | 06-24-2010 |
| 20100260662 | GROUP II METAL SULFIDE PHOSPHOR PRECURSOR AND METHOD FOR PRODUCING PHOSPHOR - The process of the invention is provided to achieve uniform doping of an activator metal into phosphor particles and to improve efficiency of utlization of a metal element to be used in the production of a Group II metal sulfide phosphor and a precursor thereof. Specifically, the object of the invention is achieved by a process for producing a Group II metal sulfide phosphor precursor, comprising adding to an organic solvent an aqueous solution containing at least one of a Group II element compound, a sulfurizing agent, and a compound containing any of copper, silver, manganese, gold, and rare-earth elements to obtain a reaction mixture, heating the reaction mixture to produce an azeotrope of the water and the organic solvent, and removing the water from the reaction mixture to produce a desired Group II metal sulfide in the reaction mixture, wherein the removal of the water from the reaction mixture is carried out by recovering only the water condensed from a vapor produced by the azeotropic distillation. | 10-14-2010 |
| 20110171114 | PROCESS AND APPARATUS FOR DECOMPOSITION OF POLYMER PRODUCTS INCLUDING THOSE CONTAINING SULPHUR SUCH AS VULCANISED RUBBER TYRES AND RECOVERY OF RESOURCES THEREFROM - A method and apparatus for pyrolytic destruction of polymer products including whole vehicle vulcanised rubber tyres is disclosed. The apparatus | 07-14-2011 |
| 20140255293 | CONTROLLED SYNTHESIS OF NANOPARTICLES USING ULTRASOUND IN CONTINUOUS FLOW - Apparatuses and methods for synthesizing nanoparticles are provided. | 09-11-2014 |
| 20140377163 | METHOD AND APPARATUS FOR GENERATING MERCURY (II) SULFIDE FROM ELEMENTAL MERCURY - An approach is provided for generating red mercury (II) sulfide from elemental mercury. Elemental mercury is combined with sulfur and heated until vaporized. At least a portion of the elemental mercury reacts with the vaporized sulfur to form the mercury (II) sulfide. Un-reacted elemental mercury is drawn off and condensed by a condenser. | 12-25-2014 |
| 20160083302 | POLYCRYSTALLINE CHALCOGENIDE CERAMIC MATERIAL - The invention relates to a polycrystalline IR transparent material produced by sintering chalcogenide powder, e.g., ZnS powder, using hot uniaxial pressing followed by hot isostatic pressing. The microstructure of the material described in this disclosure is much finer than that found in material produced using the state of the art process. By using a powder with a particle size fine enough to improve sintering behavior but coarse enough to prevent a lowering of the wurtzite-sphalerite transition temperature, a highly transparent material with improved strength is created without degrading the optical properties. A high degree of transparency is achieved during hot pressing by applying pressure after the part has reached a desired temperature. This allows some degree of plastic deformation and prevents rapid grain growth which can entrap porosity. The crystallographic twins created during this process further inhibit grain growth during hot isostatic pressing. | 03-24-2016 |
| 423566200 | Sulfide of alkali metal | 3 |
| 20110206600 | PREPARATION OF LITHIUM SULFIDE - The present invention provides a convenient process for making lithium sulfide involving heating one or more lithium-containing compounds and sulphur, wherein the heating step is performed at a temperature of 600 to 1500° C. | 08-25-2011 |
| 20140030185 | PROCESS FOR SEPARATION AND PURIFICATION OF SODIUM SULFIDE - The present disclosure provides a method for isolation and purification of sodium sulfide (Na | 01-30-2014 |
| 20140037535 | Method for Producing Lithium Sulfide for Lithium Ion Cell Solid Electrolyte Material - Provided is a method for producing lithium sulfide based on a new dry method, by which lithium sulfide can be produced more easily at lower cost, and fine pulverization of lithium sulfide can be attempted. Suggested is a method for producing lithium sulfide (Li | 02-06-2014 |
