| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 03/21/2002 | US20020033076 Comminution, slurrying, heating, controlling temperature |
| 03/20/2002 | EP1187791A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method |
| 03/20/2002 | CN1341077A Method for producing polysulfide by use of electrolytic oxidation |
| 03/20/2002 | CN1340603A Processing of gas stream containing hydrogen sulphide |
| 03/20/2002 | CN1340456A Process and equipment for decomposing gypsum |
| 03/14/2002 | WO2002020139A1 Process and apparatus for recovering sulphur from a gas stream containing sulphide |
| 03/14/2002 | WO2002020138A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 03/14/2002 | US20020031468 The rate of oxygen fed is controlled in accordance with the stoichiometry of the Claus reaction in such a manner that the oxygen and the combustion air react completely with hydrogen sulfide so that no excess oxygen is present |
| 03/13/2002 | EP1186571A1 Process for the selective oxidation of hydrogen sulphide to elemental sulphur |
| 03/13/2002 | EP1186334A1 Treatment of a gas stream containing hydrogen sulphide |
| 03/13/2002 | EP1098844B1 Process for the concentration of dilute sulphuric acid solutions |
| 03/13/2002 | EP1003690B1 Preparation of sulphides and selenides |
| 03/13/2002 | EP0717720B1 Liquid sulfur degassing |
| 03/13/2002 | CN1339400A Combined production of high concentration sulphuric acid by using acid gas containing hydrogen sulfide and sulphur |
| 03/13/2002 | CN1080701C Method for removing virtually all sulfur compounds from plant waste gases and recovering such compounds |
| 03/13/2002 | CN1080700C Method and apparatus for degassing sulfur |
| 03/12/2002 | US6355093 Two component-three dimensional catalysis |
| 03/12/2002 | CA2357282A1 Process for the selective oxidation of hydrogen sulphide to elemental sulphur |
| 03/07/2002 | WO2002018270A1 A method of decomposing gypsum to sulfur dioxide and the apparatus thereof |
| 03/06/2002 | EP1183092A1 Catalytic membrane reactor materials for the separation of oxygen from air |
| 03/05/2002 | US6352680 Forming sulfur by partial oxidation of hydrogen sulfide; combustion, flaming |
| 02/28/2002 | WO2002016261A1 Method and apparatus for introducing sulphur dioxide into aqueous solutions |
| 02/28/2002 | US20020025292 Treatment of a gas stream containing hydrogen sulphide |
| 02/28/2002 | US20020025284 Part of hydrogen sulfide containing feed gas is burnt in a furnace in presence of oxygen or air, sulfur dioxide is formed and reacts with hydrogen sulfide to form sulfur vapor which is extracted; gas stream is reduced to hydrogen sulfide, removing |
| 02/28/2002 | US20020023540 Gas separation apparatus |
| 02/28/2002 | US20020023538 First and second adsorbents in fluidized beds, the first for sending partially sweetened natural gas to second adsorbent at different temperature; nonthermal plasma corona reactor for converting hydrogen sulfide to hydrogen and sulfur |
| 02/28/2002 | DE10113573A1 Verfahren zum Regenerieren von Schwefelsäure aus schwefelhaltigen Reststoffen A process for the regeneration of sulfuric acid from sulfur-containing residues |
| 02/28/2002 | DE10040209A1 Reaktor zur Durchführung einer stark wärmegetönten katalytischen Reaktion Reactor for carrying out a large heat of catalytic reaction |
| 02/28/2002 | CA2420228A1 Method and apparatus for introducing sulphur dioxide into aqueous solutions |
| 02/28/2002 | CA2354305A1 Treatment of a gas stream containing hydrogen sulphide |
| 02/27/2002 | EP1181340A1 Method of coating micrometer sized inorganic particles |
| 02/27/2002 | EP1181087A1 Isolation of sf 6? from insulating gases in gas-insulated lines |
| 02/27/2002 | CN1337356A Production process of aluminium iron sulfate polymer as composite water purifying agent |
| 02/21/2002 | US20020022568 Strontium, rare earth metal, yttrium, calcium and iron oxides; oxidation-reduction reactions and for separating molecular oxygen from oxygen containing gases |
| 02/21/2002 | US20020021994 Forming fuel gas for combustion process |
| 02/21/2002 | US20020021993 Combustion furnaces |
| 02/20/2002 | EP1180395A2 Reactor for carrying out a strongly thermic reaction |
| 02/20/2002 | EP0931015B1 Method for upgrading used sulfuric acids |
| 02/20/2002 | CN2477608Y Immersion cooling cylinder |
| 02/20/2002 | CN1336252A Double-function sulfur recovery catalyst and its prepn |
| 02/13/2002 | EP1179605A1 Method of recovering sulfur from leach residues of sulfidic ore processing using distillation and condensation |
| 02/13/2002 | EP0871525B1 Liquid medium extraction purification method |
| 02/13/2002 | EP0636107B1 Process and use of an apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 02/07/2002 | US20020015675 Treatment of a combustible gas stream |
| 02/06/2002 | EP1178009A1 Method for producing polysulfide by use of electrolytic oxidation |
| 02/06/2002 | EP1177153A1 Bulk synthesis of long nanotubes of transition metal chalcogenides |
| 01/31/2002 | WO2002008474A2 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 01/31/2002 | WO2002008121A2 A method for shaping a nanotube and a nanotube shaped thereby |
| 01/31/2002 | WO2002008119A1 Spox-enhanced process for production of synthesis gas |
| 01/31/2002 | WO2001078885A3 Catalyzer for converting so2 into so¿3? |
| 01/31/2002 | US20020012617 Solid by-products are notably due to degradation of catalyst used in gas treating process; applied in processing units used after the Claus process; extraction |
| 01/31/2002 | CA2416516A1 Spox-enhanced process for production of synthesis gas |
| 01/30/2002 | EP1175933A1 Gas separation apparatus |
| 01/29/2002 | US6342651 Reductive combustion of ammonium salts of sulfuric acid |
| 01/29/2002 | US6342169 Absorption of salt form in water medium containing water soluble amine; saturation; storage stability |
| 01/24/2002 | WO2001030692A3 Process for the production of sulfur |
| 01/23/2002 | EP0801633B1 Method for oxidising h 2?s to sulphur |
| 01/17/2002 | WO2002004348A1 Method and apparatus for producing hydrogen fluoride |
| 01/17/2002 | US20020006371 Combustion to sulfur dioxide; reducing with hydrogen to sulfur |
| 01/16/2002 | EP1171381A1 Treatment of combustible gas streams containing hydrogen sulphide |
| 01/16/2002 | EP1171229A1 System for recovery of sulfur and hydrogen from sour gas |
| 01/16/2002 | EP1171222A1 Process for removing hydrogen sulfide from gases |
| 01/15/2002 | US6338809 Aerosol method and apparatus, particulate products, and electronic devices made therefrom |
| 01/15/2002 | CA2263233C Barrier discharge conversion of so2 and nox to acids |
| 01/10/2002 | US20020003225 Slurry includes abrasive particles have a small particle size, narrow size distribution and a spherical morphology, and the particles are substantially unagglomerated, selected from silica, alumina, zirconia, ceria etc. and mixture |
| 01/10/2002 | DE10031830A1 Verfahren zur Herstellung von Fluorsulfonsäure mit geringen Gehalten an niedrigsiedenden Verbindungen Process for the preparation of fluorosulfonic acid having low contents of low-boiling compounds |
| 01/08/2002 | US6337062 Method for the production of anhydrous alkali metal sulfide and alkali metal sulfide solution |
| 01/08/2002 | US6337061 Solvent extraction of titanium, diffusive dialysis |
| 01/08/2002 | US6337058 Process for producing calcium sulfide |
| 01/03/2002 | WO2002000549A1 A process for the production of polymeric allotropes of sulfur |
| 01/03/2002 | US20020001562 Process for preparing fluorosulfonic acid having low contents of low-boiling compounds |
| 01/02/2002 | EP1166850A1 Treatment of feed gas streams containing hydrogen sulphide with sulphur recovery |
| 01/02/2002 | EP1166849A1 Treatment of a gas stream containing hydrogen sulphide |
| 01/02/2002 | EP1166848A1 Treatment of gas streams containing hydrogen sulphide |
| 01/01/2002 | US6334991 Purification of sulfur by means of centrifugation |
| 12/27/2001 | US20010055549 Method and device for processing a gas containing hydrogen sulfide and sulfur dioxide comprising a stage of removal of by-products |
| 12/26/2001 | CN1328537A Method of producing acyl fluorides from acyl chlorides |
| 12/25/2001 | US6332949 Method for upgrading used sulfuric acids |
| 12/20/2001 | US20010052589 Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same |
| 12/19/2001 | CN1076215C Complementary heat-exchanging process of two conversions of sulfuric acid apparatus |
| 12/13/2001 | US20010050259 Decomposable liquid mixture; cleaning semiconductors |
| 12/12/2001 | CN1325755A Treatment of hydrogen sulfide stream |
| 12/11/2001 | US6328940 Process for partial oxidation of a gas stream containing hydrogen sulphide |
| 12/06/2001 | WO2001025146A3 Method of preparing anhydrous alkali metal sulfides |
| 12/04/2001 | US6325920 Process for sulphurization of hydrotreating catalysts |
| 11/29/2001 | DE10024457A1 Preventing incrustation in recovery of sulfuric acid in titanium dioxide production by pre-concentrating the dilute acid to above 32-45 weight percent |
| 11/28/2001 | EP1156867A1 Method for continuously producing thiosulfate ions |
| 11/27/2001 | CA2201004C Safe storage and transportation of sulfur dioxide |
| 11/22/2001 | WO2001087464A1 Process for scrubbing flue gas using acids |
| 11/22/2001 | US20010042853 Oxygen-containing, such as metal oxides, silicates, borates or titanates, small particle size, narrow particle size distribution; displays |
| 11/21/2001 | EP1156012A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 11/21/2001 | EP1155164A1 In situ chemical generator and method |
| 11/21/2001 | EP1155090A1 Improved sprayable fireproofing composition |
| 11/21/2001 | CN1075040C Catalytic desulphurization process for a gas containing H2s and SO2 and catalyst for implementing said process |
| 11/15/2001 | WO2001085611A1 Method for the catalytic conversion of gases with a high sulfur dioxide content |
| 11/15/2001 | DE10023178A1 Two-stage catalytic production of sulfur trioxide gas with low sulfur dioxide content from high sulfur dioxide-content gas comprises use of two catalyst layers with temperature at each layer controlled |
| 11/15/2001 | CA2408260A1 Method for the catalytic conversion of gases with a high sulfur dioxide content |
| 11/13/2001 | US6316100 Nickel powders, methods for producing powders and devices fabricated from same |
| 11/13/2001 | US6315975 Suspension system using fumed silica |
| 11/13/2001 | US6315961 Suitable for treating claus plant tail gases, which still contain a small quantity of hydrogen sulphide and sulphur dioxide; pollution control |