| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 07/09/2002 | US6416725 Removal of contaminants from gas streams in rayon production |
| 07/04/2002 | WO2002034959A3 A method and apparatus for producing inorganic fullerene-like nanoparticles |
| 07/04/2002 | DE10064008A1 Catalytically conversion of unwanted material containing gaseous or liquid fluid, e.g. hydrogen sulfide and/or sulfur dioxide, into wanted material e.g. sulfur |
| 07/03/2002 | CN1356262A Process for recovering food-class CO2 from tail gas generated in preparing Na2S2O4.2H2O powder |
| 07/02/2002 | US6413488 Post conversion of a gas containing hydrogen sulphide, the elimination of sulphur crystallized by cooling |
| 06/27/2002 | US20020081261 Washing with an organic solvent (polyethylene glycol), decanting to segregate/separate; redox systems |
| 06/26/2002 | EP1216957A1 Process for the purification of sulfur |
| 06/26/2002 | EP1216753A1 Regeneration process of a redox catalytic solution comprising the measure of the oxygen dissolved in the regeneration effluent and the use thereof for desulfuration |
| 06/26/2002 | EP1216092A1 Silicon-containing titanium dioxyde, method for preparing the same and catalytic compositions thereof |
| 06/26/2002 | EP1216088A1 Process for the removal of sulphur compounds from gases |
| 06/26/2002 | EP1121326A4 Sulphurous acid generator with air injector |
| 06/26/2002 | CN1355132A Process for preparing sulfuric acid |
| 06/20/2002 | US20020076375 Metal carbonates, bicarbonate, and oxides reacted with a fluidized hydrogen halide gas at a velocity that forms a fluidized bed and at a temperature of 250-800 degrees F |
| 06/19/2002 | EP1214278A2 Regeneration of onium fluoride-hf adducts |
| 06/19/2002 | CN1354127A Sulphuric acid recovery device |
| 06/19/2002 | CN1354126A Process for preparing anhydrous high purity sodium sulfide |
| 06/19/2002 | CN1086361C Method for producing yellow flaky sodium sulfide with low carbon and iron contents |
| 06/19/2002 | CN1086308C Direct oxidation method for converting sulphur compounds into sulphur with copper catalyst |
| 06/19/2002 | CN1086305C Process for removing and recovery of sulfur dioxide from waste gas |
| 06/13/2002 | WO2002047117A2 Preparation of nanocrystallites |
| 06/13/2002 | WO2002046130A1 Processes for electrically activated transformation of chemical and material compositions |
| 06/13/2002 | WO2002045825A1 Method for removing mercury from gas |
| 06/13/2002 | US20020071952 Preparation of nanocrystallites |
| 06/12/2002 | CN1353671A Treatment of combustible gas streams containing hydrogen sulphide |
| 06/12/2002 | CN1086177C Method for preparing nano-material of compound of sulfur family and phosphorus family |
| 06/11/2002 | US6403051 Mixing a light hydrocarbon with oxygen |
| 06/06/2002 | WO2002008474A3 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 06/06/2002 | US20020068034 Hydrogen sulfide abatement in molten sulfur |
| 06/05/2002 | EP1021372B1 High efficiency process for recovering sulfur from h2s-bearing gas |
| 06/05/2002 | CN1351956A Stainless steel dry absorption tower for concentrated sulfuric acid |
| 06/04/2002 | US6399040 Process for generating recoverable sulfur containing compounds from a spent acid stream |
| 06/04/2002 | US6398125 Process and apparatus for the production of nanometer-sized powders |
| 05/30/2002 | WO2002042203A1 Method for preparing ultra fine particle of metal chalcogenide |
| 05/30/2002 | US20020064494 Production of hydrogen and carbon monoxide |
| 05/30/2002 | US20020062734 Isolation of SF6 from insulating gases in gas-insulated lines |
| 05/29/2002 | DE10055343A1 Verfahren zum Herstellen von SO2 aus H2S-haltigem Gas A method for producing SO2 from H2S-containing gas |
| 05/29/2002 | CN1351639A Method of coating micrometer sized inorganic particles |
| 05/29/2002 | CN1085723C Method for fluidizing tars |
| 05/28/2002 | US6395246 Preparation of calcium silicate and sulfur dioxide |
| 05/28/2002 | CA2105166C Reduction of sulfur emissions from coal-fired boilers |
| 05/23/2002 | WO2002040141A2 Sox catalyst |
| 05/22/2002 | CN1085190C Cyclic utilization method of waste water in the course of production of sodium thiosulfate |
| 05/22/2002 | CN1085187C Process and apparatus for purifying raw gas of sulfuric acid |
| 05/21/2002 | US6391107 Method for the utilization of residual materials in the production of cement |
| 05/15/2002 | EP1205435A1 Process for producing SO2 from H2S containing gases |
| 05/14/2002 | US6387348 Method for treating spent caustic streams |
| 05/14/2002 | CA2114337C Process for the filtration of suspensions containing sulfur |
| 05/12/2002 | WO2002097430A1 Sulfuryl fluoride fumigation process |
| 05/10/2002 | WO2002037025A1 Burner and method for partly oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 05/09/2002 | US20020054845 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them |
| 05/09/2002 | US20020053522 Shaping electrode removes material under a potential difference to controllably shape to a desired contour |
| 05/09/2002 | US20020053520 Method for producing polysulfides by means of electronlytic oxidation |
| 05/08/2002 | EP1202929A1 Recovery of sulfur from h 2?s and concurrent production of h 2? using short contact time cpox |
| 05/02/2002 | WO2002034959A2 A method and apparatus for producing inorganic fullerene-like nanoparticles |
| 05/02/2002 | US20020051743 Treatment of a gas stream containing hydrogen sulphide |
| 05/02/2002 | DE10106428A1 Verfahren zur Herstellung von Metallchalkogeniden mit Hilfe überkritischer Fluide Process for the preparation of metal chalcogenides using supercritical fluids |
| 05/01/2002 | CN1083732C Catalyst for selective oxidation of sulfur compounds to elemental sulfur, process for preparing same, and use thereof |
| 04/30/2002 | US6379635 Of first and second different ions, by contacting a complex containing the two ions with a dispersing medium at temperature to allow formation by pyrolysis of the nanocrystalline material; forming cadmium selenide; optics |
| 04/30/2002 | US6379585 Preparation of sulphides and selenides |
| 04/25/2002 | WO2002032811A1 Preparation of calcium silicate and sulfur dioxide |
| 04/25/2002 | WO2002032810A1 Method and apparatus for removing sulfur compound in gas containing hydrogen sulfide, mercaptan, carbon dioxide and aromatic hydrocarbon |
| 04/25/2002 | WO2002032551A1 Method for partially oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 04/25/2002 | US20020048541 Equipped with plates that are arranged parallel to one another at a distance and that form flat channels with lateral boundary areas that face one another, whereby a portion of the channels contains a solid catalyst |
| 04/25/2002 | DE10050526A1 Removal of nitrosylsulfuric acid from sulfuric acid process involves thermal cracking, preferably in existing roasting or combustion zone for sulfur dioxide production |
| 04/25/2002 | CA2422995A1 Method for partially oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 04/24/2002 | EP1199280A1 Process for producing metal chalcogenides using supercritical fluid |
| 04/23/2002 | US6375853 Dewatering slurry; adding water insoluble lipid dissolved in solvent modified by ester interchange or saponifcation followed by acidulation; agitation |
| 04/23/2002 | CA2088169C Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite |
| 04/18/2002 | WO2002030814A1 A process for the synthesis of nanotubes of transition metal dichalcogenides |
| 04/18/2002 | WO2002030813A1 Method for removing nitrosyl sulphuric acid from the sulphuric acid process |
| 04/17/2002 | EP1197473A1 Hydrogen sulfide abatement in molten sulfur |
| 04/17/2002 | CN1344680A Celestite or barite reducing process in solution to produce strontium carbonate or barium carbonate and sulfur element |
| 04/17/2002 | CN1344673A Acid hydrogen sulfide gas blending method in pyrite fluidizing furnace |
| 04/16/2002 | US6372193 Process for oxidizing the H2S contained at low concentration in a gas directly to sulphur by catalytic means and in the vapour pause |
| 04/11/2002 | DE10047625A1 Stöchiometrieänderung eines ionisch aufgebauten Feststoffes Stoichiometry change of an ionic solid |
| 04/10/2002 | CN1343621A Process for selectively oxidation of hydrogen sulfide to produce sulfur |
| 04/10/2002 | CN1082587C Method for producing polysulfides by electrolytic oxidation |
| 04/10/2002 | CN1082384C Catalysts for treating gas contg. sulphur compounds and use thereof |
| 04/09/2002 | US6368029 Transporting sulfur pellets |
| 04/04/2002 | WO2002027824A1 Synthesis method for carbon material based on lixm1-ym'(xo4)n |
| 04/04/2002 | WO2002027823A1 Method for synthesis of carbon-coated redox materials with controlled size |
| 04/04/2002 | WO2002027765A2 Stoichiometric modification of an ionic structured solid |
| 04/04/2002 | WO2002026378A1 Conversion of methane and hydrogen sulfide in non-thermal silent and pulsed corona discharge reactors |
| 04/04/2002 | CA2423410A1 Conversion of methane and hydrogen sulfide in non-thermal silent and pulsed corona discharge reactors |
| 04/03/2002 | EP1062025A4 IMPROVED PROCESS FOR TREATING H 2?S-LEAN STREAMS WITH RECYCLE OF SOx FROM BURNER |
| 04/03/2002 | EP0975414B1 Method for regenerating a loaded wash liquid from a gas desulfurization facility |
| 04/03/2002 | CN1343134A Method for desulphurization of gases |
| 04/03/2002 | CN1342601A Process for preparing V catalyst used to prepare low-temp sulfuric acid |
| 04/03/2002 | CN1342600A Process for preparing hydrogen sulfide |
| 04/02/2002 | US6365122 Process for manufacturing potassium sulfate fertilizer and other metal sulfates |
| 04/02/2002 | US6365114 Reactor for performing a catalytic reaction |
| 03/28/2002 | WO2002024966A1 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
| 03/28/2002 | DE10045320A1 Verfahren zur Regenerierung von schwefelhaltigem Reststoff und zur Durchführung des Verfahrens geeigneter Zerstäubungsbrenner Process for the regeneration of sulfur-containing residue and for implementing the process suitable atomizing burner |
| 03/27/2002 | EP1191085A1 Method for fluidizing tars |
| 03/27/2002 | EP1189837A1 Method for concentrating dilute acid |
| 03/27/2002 | EP0998363B1 A composition comprising a metal salt and metal powder therefrom by the calcining thereof |
| 03/26/2002 | US6361660 Photoelectrochemical device containing a quantum confined group IV semiconductor nanoparticle |
| 03/26/2002 | US6360562 Methods for producing glass powders |
| 03/26/2002 | CA2087265C Catalyst and process for removal of sulphur compounds and oxides from fluid streams |
| 03/21/2002 | WO2002023088A1 Method for regenerating a residual substance that contains sulfur, and an atomizing burner suited for carrying out said method |