Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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03/19/2003 | EP1293991A2 Method for distillation of sulfur for the preparing radioactive phosphorus nuclide |
03/19/2003 | EP1114012A4 Field assisted transformation of chemical and material compositions |
03/19/2003 | CN1403443A Method of extracting taurine from sodium sulfate |
03/18/2003 | US6534030 Process for producing ammonium thiosulfate |
03/13/2003 | WO2003020663A1 A process for manufacturing potassium sulfate fertilizer and other metal sulfates |
03/13/2003 | US20030049517 Metal-air battery components and methods for making same |
03/13/2003 | US20030047069 Passing the gas mixture over at least one adsorption or membrane stage containing or consisting of a zeolite and recovering separated sulfur oxyfluorides |
03/11/2003 | US6531704 Nanotechnology for engineering the performance of substances |
03/11/2003 | US6531109 Treatment of a combustible gas stream |
03/06/2003 | WO2003018472A1 Process for recovering sulfur while sponging light hydrocarbons from hydrodesulfurization hydrogen recycle streams |
03/06/2003 | US20030044344 Method for controlling polysulfide production |
03/06/2003 | US20030041415 Purifying an aluminium salt from a first aqueous aluminium salt solution of a raw material |
03/05/2003 | CN1102644C Treating method and equipment for hydrogen sulfide and sulfur dioxide containing gas, comprising a desulfurizing step by cooling gaseous effluent |
03/03/2003 | WO2002018049A1 Method for preparing highly active photocatalyst and method for treating hydrogen sulfide allowing recovery of hydrogen gas with low energy consumption by use of highly active photocatalyst |
02/27/2003 | US20030039606 Process for production of ammonium thiosulphate |
02/27/2003 | US20030037488 Mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing |
02/26/2003 | EP1284926A1 Method for the catalytic conversion of gases with a high sulfur dioxide content |
02/26/2003 | CN1398788A Regenerating circulation process of producing strontium carbonate |
02/25/2003 | US6524546 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 |
02/20/2003 | WO2003014015A1 An improved process for the recovery of sulphur from gases containing hydrogen sulphide |
02/20/2003 | US20030033906 Chlorine leaching; oxidation pressure leaching |
02/19/2003 | CN1101720C Equipment for removing SO2 from flue-gas and producing ammonium sulfate |
02/18/2003 | US6521201 Process for recovery of high purity hydrophilic sulfur |
02/18/2003 | US6521200 Low temperature recovery of sulfur trioxide and sulfuric acid solutions, by flashing or multistage distillation in the presence activated carbon catalysts |
02/18/2003 | US6521199 Hydrogen fluoride(HF); ammonium fluorides used for fluorinating acid chlorides and halocarbon compounds such as chloroalkanes are regenerated and reused by reacting with HF in the presence of a liquid carboxylic acid |
02/16/2003 | CA2355396A1 Barrier discharge conversion of so2 and nox to acids |
02/13/2003 | US20030031607 Heating the feedstock that contains hydrogen sulfide (H2S) in heating zone to produce a hot gas that contains hydrogen and elementary sulfur, quick cooling to obtain gaseous effluent; separation of the effluent to recover hydrogen and sulfur |
02/12/2003 | EP0804380B1 Method and catalyst for catalytically oxidising a low concentration of h 2?s in a gas to give sulphur |
02/11/2003 | US6517801 Treatment of gas streams containing hydrogen sulphide |
02/11/2003 | US6517699 Method for producing polysulfides by means of electrolytic oxidation |
02/06/2003 | WO2003009811A2 Processes and apparatus for the manufacture of polynuclear aluminum compounds and disinfectants, and polynuclear aluminum compounds and disinfectants from such processes and apparatus |
02/06/2003 | US20030024806 Plasma whirl reactor apparatus and methods of use |
02/06/2003 | CA2493605A1 Processes and apparatus for the manufacture of polynuclear aluminum compounds and disinfectants, and polynuclear aluminum compounds and disinfectants from such processes and apparatus |
01/30/2003 | WO2002027765A3 Stoichiometric modification of an ionic structured solid |
01/30/2003 | US20030021744 Absorber is reaction product of sulfur and amine; catalytic oxidation of hydrogen sulfide |
01/29/2003 | EP1064079A4 Process for the reduction of so 2? from wet lime/limestone tailgas in power plant desulfurization processes |
01/28/2003 | CA2091033C Method of sulfur purification |
01/22/2003 | CN1392902A Recovery of nickel and cobalt values from sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
01/22/2003 | CN1392096A Purifying method for sodium hydrosulfide |
01/21/2003 | US6508998 Recovery of elemental sulfur from hydrogen sulfide containing gas streams; recycling gases to increase capacity |
01/21/2003 | US6508915 Solution containing nitric acid; absorbing the nitric acid mist contained in the condensed gas; sulfuric acid; semiconductors |
01/16/2003 | US20030013606 Method for the production of electrocatalyst powders |
01/15/2003 | EP1275654A2 Process for producing sulfur-containing organosilicon compounds |
01/15/2003 | EP0705060B1 Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
01/15/2003 | CN1098805C Production of sodium thiosulfate |
01/14/2003 | US6506357 Sulphur recovery |
01/14/2003 | US6506356 Catalyst for oxidizing hydrogen sulfide gas and method for recovering elemental sulfur using the same |
01/14/2003 | US6506347 Maximizing efficiency and duration of contact between sulphur dioxide gas and water in nonpressurized system without employing countercurrent absorption tower; using water flow to draw gases through system |
01/09/2003 | WO2003003491A2 Device for removing sulfur from a medium and fuel cell system |
01/09/2003 | WO2003002455A1 Process for aqueous phase oxidation of sulfur or sulfide to thiosulfate, bisulfite or sulfite ions using air |
01/09/2003 | US20030006517 Methods for the production of patterned and unpatterned metal-carbon features |
01/08/2003 | CN1389397A Production process of CS2 and H2S with mixed natural gas of methane and ethane |
01/07/2003 | US6503474 Heat dehydration under reduced pressure without melting; efficient |
01/07/2003 | US6503473 Process for separating solid compound other than lithium hydroxide |
01/02/2003 | US20030003043 Applying a thin chalcogen film to an acute tip of a glass fiber; holding acute tip in physical contact with a metal, whereby a metal chalcogenide nano-particle or nano-particles are generated by diffusional reaction |
01/02/2003 | EP1268054A1 Electrocatalyst powders, methods for producing powders and devices fabricated from same |
12/31/2002 | US6500402 Catalyst for oxidizing SO2 to SO3 and utilization of the catalyst in a method for producing sulfuric acid |
12/31/2002 | US6500391 Sulphurous acid generator with air injector |
12/27/2002 | WO2002102710A1 Catalytic membrane reactor that is used for the decomposition of hydrogen sulphide into hydrogen and sulphur and the separation of the products of said decomposition |
12/27/2002 | CA2450938A1 Catalytic membrane reactor that is used for the decomposition of hydrogen sulphide into hydrogen and sulphur and the separation of the products of said decomposition |
12/26/2002 | US20020197573 Sulfur dioxide plant |
12/26/2002 | US20020197198 Sulfur trioxide delivery system |
12/25/2002 | CN1097030C Catalyst for selective oxidation of sulfur compounds to elemental sulfur, method for preparation of such catalyst and use thereof |
12/24/2002 | US6497855 Process of reducing carbon monoxide with hydrogen sulfide to produce hydrogen, the method comprising: contacting carbon monoxide with hydrogen sulfide to form hydrogen and carbonyl sulfide, produced in (a) with oxygen in the presence of a |
12/24/2002 | US6497745 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
12/24/2002 | CA2118120C Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
12/19/2002 | WO2002101100A1 A novel porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith |
12/19/2002 | WO2002100540A1 All-metal oxidation catalyst |
12/19/2002 | US20020192540 Fuel cells and batteries including metal-carbon composite powders |
12/19/2002 | US20020192368 Method for the production of metal-carbon composite powders |
12/19/2002 | US20020192146 Process for preparing polysulfides using clarified white liquor |
12/19/2002 | US20020192144 Method for producing high-purity sulphuric acid |
12/19/2002 | US20020189400 Well-controlled microstructure and morphology; electrocatalytic devices |
12/19/2002 | DE10128132A1 Solid metal catalyst used in oxidation processes in aqueous or gaseous media in presence of oxidizing agents comprises group I alloy elements, group II alloy elements, and group III alloy elements |
12/18/2002 | CN1385364A Preparation of high-concntration surlfuric acid using hydrogen sulfide contained acidic gas |
12/18/2002 | CN1385363A Recovery and use for dilute acid in boiling furnace mixing-burning sulphur production installation |
12/17/2002 | US6495117 Process for recovering sulfur from H2S-bearing gas |
12/17/2002 | CA2225798C Liquid medium extraction purification method |
12/15/2002 | CA2396171A1 Process for preparing polysulfides using clarified white liquor |
12/15/2002 | CA2390638A1 Method for controlling polysulfide production |
12/11/2002 | EP1264916A1 Corrosion restraining method and corrosion-resisting device |
12/11/2002 | EP1264799A1 Process for the purification of aqueous metal salt solutions |
12/11/2002 | EP1171381B1 Treatment of combustible gas streams containing hydrogen sulphide |
12/11/2002 | CN2524817Y Double ball shell type combined ball arch |
12/11/2002 | CN1384805A Method for making sulfur trioxide, sulfuric acid, and oleum from sulfur dioxide |
12/11/2002 | CN1383913A Double-function sulphur recovering catalyst and its prepn |
12/10/2002 | CA2269630C Process for preparing sulphuric acid from gasses containing so3 and gaseous nitrosylsulphuric acid |
12/05/2002 | US20020178917 Method for regenerating a loaded wash liquid from a gas desulfurization facility |
12/04/2002 | EP1262451A2 Process for the preparation of sulfur dioxide |
12/04/2002 | EP1261412A1 Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures |
12/03/2002 | US6488742 Settling, withdrawal of sludge |
12/03/2002 | CA2376883C Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid |
11/30/2002 | CA2387875A1 Sulfur dioxide plant |
11/28/2002 | US20020176816 In-line sulfur extraction process |
11/27/2002 | EP1171222A4 Process for removing hydrogen sulfide from gases |
11/27/2002 | CN1382105A Process for production of sulfur |
11/27/2002 | CN1381398A Process for recovering waste acid in producing titanium white powder by sulfuric acid method |
11/27/2002 | CN1094897C Decontamination method for liquid sulphur in acid production with sulphur |
11/21/2002 | US20020173681 Regeneration of onium fluoride-HF adducts |
11/21/2002 | DE10124302A1 Desulfurization of compressed gas, e.g. gasification of coal or reformer or natural gas, uses same pressure during mixing with oxygen, direct oxidation to sulfur, sulfur condensation and hydrogen sulfide absorption |