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