Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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12/15/2004 | CN1554572A Decoloring and purifying process for coke over gas desulfurized by-product coarse sulfur |
12/15/2004 | CN1554467A Removing sulfide from CO2 enriched gas by complex iron method |
12/14/2004 | US6830823 Gold powders, methods for producing powders and devices fabricated from same |
12/09/2004 | WO2004106564A2 Method for recovering at least one metallic element like cesium from ore |
12/09/2004 | WO2004106232A1 Lithium sulfide powder, method for producing same and inorganic solid electrolyte |
12/09/2004 | US20040247782 Palladium-containing particles, method and apparatus of manufacture, palladium-containing devices made therefrom |
12/09/2004 | US20040247519 Method for regenerating calcium sulfate |
12/09/2004 | US20040247518 Process and apparatus for preparing calcium thiosulfate solution |
12/09/2004 | US20040247402 Free-flowing sulfur transport, storage and use to produce energy, fertilizer or hydrogen without carbon dioxide |
12/09/2004 | DE4311326B4 Verfahren zur Reinigung von Schwefel A process for purifying sulfur |
12/08/2004 | EP1483199A1 Partial oxidation of hydrogen sulphide |
12/08/2004 | CN1552619A Method for preparing insoluble sulphur |
12/02/2004 | WO2004103895A1 Method for hydrogen sulphide decomposition |
12/02/2004 | US20040241083 Pressurization of sulfur ; injection into pressure vessel; depressurization |
12/01/2004 | EP1480733A1 Method for eliminating mercaptan from crude gas |
12/01/2004 | CN1177756C Process for preparing sulfuric acid |
11/25/2004 | US20040234441 mixing with concentrated sulfuric acid; heating mixture; melting; controlling temperature |
11/25/2004 | US20040231758 Silver-containing particles, method and apparatus of manufacture, silver-containing devices made therefrom |
11/25/2004 | DE10320966A1 Wärmeisolierter Hochtemperaturreaktor Heat insulated high temperature reactor |
11/25/2004 | DE10320965A1 Vorrichtung zur reaktiven Umsetzung von Gasströmen Apparatus for reactive conversion of gas streams |
11/23/2004 | US6821337 Preparation of nanocrystallites |
11/18/2004 | WO2004098770A1 Heat-insulated high-temperature reactor |
11/18/2004 | WO2004098766A1 Device for converting gaseous streams |
11/18/2004 | WO2004098740A2 Process for sequestering carbon dioxide and sulfur dioxide |
11/18/2004 | WO2004046102A3 Novel graphite nanocatalysts |
11/18/2004 | CA2525271A1 Heat-insulated high-temperature reactor |
11/17/2004 | CN1546203A Process for treating gaseous mixture |
11/16/2004 | US6818799 Process for removing tar from spent acid |
11/16/2004 | US6818194 Absorber is reaction product of sulfur and amine; catalytic oxidation of hydrogen sulfide |
11/11/2004 | US20040222157 Process for the recovery of sulfuric acid using polymeric membranes |
11/10/2004 | EP1474358A1 Purification of sulfuryl fluoride |
11/10/2004 | EP1392415A4 Process for producing ammonium thiosulphate |
11/10/2004 | CN1544313A Bio-physiochemical method for preparing high purity elemental sulfur from sulfate waste water |
11/10/2004 | CN1175203C Partial oxidation of hydrogen sulphide |
11/04/2004 | WO2004094037A1 Method for purifying spent acid |
11/04/2004 | WO2004094023A2 Process for the treatment of waste or gaseous streams |
11/03/2004 | EP1183092A4 Catalytic membrane reactor materials for the separation of oxygen from air |
11/02/2004 | US6811813 Method of coating micrometer sized inorganic particles |
10/28/2004 | WO2004092425A1 Method for processing sulfide minerals and concentrates |
10/28/2004 | US20040211464 System for recycling spent sulfuric acid, method for recycling sulfuric acid waste, and recycled sulfuric acid |
10/27/2004 | EP1062036A4 Sulfide catalysts for reducing so 2? to elemental sulfur |
10/27/2004 | CN1541184A Catalytic membrane reactor that is used for decomposition of hydrogen sulphide into hydrogen and sulphur and separation of products of said decomposition |
10/27/2004 | CN1539728A One-step method for preparing insolubility sulfur |
10/21/2004 | US20040210095 Reacting propylene with concentrated sulfuric acid and water to form isopropyl alcohol and a spent acid having a by-product tar, contacting the spent acid with a gas in bubble form |
10/20/2004 | EP1468140A1 Polysulfide measurement methods using colorimetric techniques |
10/20/2004 | EP0977708B1 Method and device for converting hydrogen sulfide into elemental sulfur |
10/20/2004 | CN1171777C Process for recovering waste acid in producing titanium white powder by sulfuric acid method |
10/14/2004 | WO2004087837A2 Improved open system sulphurous acid generator with plume demister |
10/14/2004 | US20040203241 Chemical-mechanical planarization slurries and powders and methods for using same |
10/13/2004 | EP1465849A2 Catalyst for spoc- enhanced synthesis gas production |
10/07/2004 | US20040195548 Forming an aqueous solution containing soluble precursors of a sulfur-containing phosphor; generating an aerosol of droplets from above solution, heating droplets to form a particulate intermediate compound capable of being post-treated to form said sulfur-containing phosphor powder |
10/06/2004 | EP1303640B1 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
10/06/2004 | CN1169710C Process for preparing hydrogen sulfide |
10/05/2004 | US6800559 Method and apparatus for generating H20 to be used in a wet oxidation process to form SiO2 on a silicon surface |
10/05/2004 | US6800269 Short contact time catalytic sulfur recovery system for removing H2S from a waste gas stream |
10/05/2004 | US6800261 Catalytic reduction of sulfur dioxide and other components to hydrogen sulfide then oxidation to elemental sulphur |
09/30/2004 | US20040192995 chelate compound containing acid and iron compound oxidizer |
09/29/2004 | CN1169192C Semiconductor production system |
09/22/2004 | EP1460039A1 Method for reproducing lithium sulfide and method for producing polyarylene sulfide |
09/16/2004 | US20040179991 hydrometallurgy |
09/15/2004 | EP1456123A1 Method of recovering sulfurous components in a sulfur-recovery process |
09/15/2004 | CN1528661A Method for continuous concurrent preparation of sulfoxide chloride and phosphorus oxychloride |
09/14/2004 | US6790422 Conversion of carbon disulfide using active alumina catalyst containing sodium oxide (na2o); claus process; hydrolysis to hydrogen sulfide and carbon dioxide |
09/10/2004 | WO2004076347A1 In situ sulphur remelter |
09/08/2004 | CN1165600C Sulfurizing method for hydrogenation catalyst |
09/08/2004 | CN1165365C Method for desulphurization of gases |
09/02/2004 | WO2004074811A2 Process for the recovery of sulfuric acid using polymeric membranes |
09/02/2004 | WO2004074178A1 A single step removal of hydrogen sulfide from gases |
09/02/2004 | US20040169474 Fine particle sizes; narrow particle size distribution |
09/02/2004 | US20040168975 Treament of water |
09/02/2004 | DE10260736A1 Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen Method and apparatus for heat treatment of fine-grained solids |
09/02/2004 | CA2515011A1 Process for the recovery of sulfuric acid using polymeric membranes |
09/01/2004 | EP1171222B1 Process for removing hydrogen sulfide from gases |
09/01/2004 | CN1164480C Combined production of high concentration sulphuric acid using acid gas containing hydrogen sulfide and sulphur |
09/01/2004 | CN1164479C Technology of synthesizing high concentration chlorosulfonic acid using low concentration salfur trioxide |
08/31/2004 | US6782901 Sulfuric acid recycle apparatus |
08/26/2004 | WO2004073021A2 Preparation of metal chalcogenides from reactions of metal compounds and chalcogen |
08/26/2004 | WO2003099421A8 Gas purification system |
08/26/2004 | DE10219900B4 Verfahren zur Reinigung von kohlenwasserstoffhaltigem Gas A process for purifying hydrocarbonaceous gas |
08/25/2004 | EP1448294A1 Configurations and methods for effluent gas treatment |
08/25/2004 | CN1523000A Method for recovering organic acid and inorganic salt from oxidized and saponified cyclohexane waste lye |
08/25/2004 | CN1522953A Preparation method of metal sulfide semiconductor nanocrystalline |
08/25/2004 | CN1163407C Method for producing polysulfide by use of electrolytic oxidation |
08/24/2004 | US6780396 Process for the production of a gas that contains hydrogen from hydrogen sulfide |
08/24/2004 | US6780392 Process in which afterburning zone is integrated into combustion reactor located downstream and separate from burner, and oxygen-containing gas is fed directly into combustion reactor through multiplicity of individual nozzles |
08/24/2004 | US6780350 Metal-carbon composite powders, methods for producing powders and devices fabricated from same |
08/19/2004 | WO2004069387A1 Removal of sulfur compounds from gases |
08/19/2004 | WO2004069386A1 Supported catalyst system for removing sulfur compounds from gases |
08/19/2004 | WO2004043854A3 Method for rendering liquid sulfur inert |
08/18/2004 | EP1447124A1 Supported catalyst system for removing sulfur compounds from gases |
08/18/2004 | CN1522226A System for recycling spent sulfuric acid, method for recycling sulfuric acid waste, and recycled sulfuric acid |
08/17/2004 | US6776974 Process for the production of sulfur |
08/11/2004 | EP1445238A1 Method for recycling calcium sulfate |
08/11/2004 | EP1444166A1 Chemical and thermal decomposition of ammonium sulphate into ammonia and sulphuric acid |
08/11/2004 | CN1519194A Process of condensing sulfuric acid vapor for producing sulfuric acid |
08/10/2004 | US6773490 Sulfur trioxide delivery system |
08/05/2004 | US20040151657 Reating thiosulfate with sulfide compound; separation od sulfur; reducing sulfur to sulfide; circulation |
08/05/2004 | DE4019184B4 Verfahren zur Herstellung von Schwefelsäure A process for the production of sulfuric acid |
08/04/2004 | EP1443022A2 Process for condensation of sulphuric acid vapours to produce sulphuric acid |
08/04/2004 | EP1443021A1 Process for the synthesis of BrSF5 |