Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
11/2003
11/18/2003US6649070 Method for utilizing sulfuric acid/peroxide liquid mixture
11/13/2003WO2003092862A1 Method for purifying gas containing hydrocarbons
11/13/2003US20030211018 Air pollution control
11/13/2003US20030209105 Preparation of nanocrystallites
11/13/2003US20030208959 Solar thermal aerosol flow reaction process
11/12/2003EP1261412B1 Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures
11/12/2003EP1007308B1 Aerosol method and apparatus, particulate products, and electronic devices made therefrom
11/12/2003CN1454851A Synthesizing of magnetite nano particles and method for forming iron-base nano material
11/11/2003US6645459 Method of recovering sulfurous components in a sulfur-recovery process
11/11/2003US6645398 Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same
11/06/2003WO2002066373A3 Selective oxidation of kraft cooking liquors
11/06/2003US20030206847 Method for producing high activity photocatalyst, photoactivity catalyst, and method for treating hydrogen sulfide for recovering hydrogen gas under low energy by using high activity photocatalyst
11/05/2003EP1358124A2 Metal-carbon composite powders, methods for producing powders and devices fabricated from same
11/05/2003CN1453205A Prepn process of high-purity nano fulfur
11/05/2003CN1126595C Double-function sulphur recovering catalyst and its producing process
11/04/2003US6641791 Boron trifluoride hydrate effluents containing organic impurities. The process consists essentially in reacting the said effluent with oleum, in recovering the gaseous boron trifluoride thereby liberated and in subjecting sulphuric acid
11/04/2003US6641626 Useful for forming gas impermeable membranes either as dense ceramic membranes or as dense thin films coated onto porous substrates
10/2003
10/30/2003US20030202931 Preparation of sulphides
10/29/2003EP1355720A1 Sulfur recovery process
10/29/2003EP1355719A1 Short contact time catalytic sulfur recovery system for removing h2s from a waste gas stream
10/29/2003CN1125775C Process for recovering food class CO2 from tail gas generated in preparing sodium hydrosulfife powder
10/28/2003US6638057 Partial oxidation of hydrogen sulphide
10/23/2003WO2003086967A2 Method for controlling the partial oxidation of a gas containing hydrogen sulfide with the aid of air and oxygen
10/23/2003US20030198738 Protective coatings; overcoating, firing phosphors
10/22/2003EP0882214B1 Sealed observation element for sulfur recovery unit
10/22/2003CN1450976A Method and apparatus for producing hydrogen fluoride
10/21/2003US6635348 Aerosol method and apparatus, particulate products, and electronic devices made therefrom
10/21/2003US6634834 Transporting sulfur pellets
10/16/2003WO2003084868A1 System for recycling spent sulfuric acid, method for recycling sulfuric acid waste, and recycled sulfuric acid
10/16/2003WO2003037790A3 Process and apparatus for producing sulfuric acid
10/16/2003US20030194366 Reacting with oxygen using mixed metal oxide catalyst; catalyst selectivity
10/16/2003US20030194365 Method for labelling technetium or rhenium using borohydride exchange resin
10/09/2003WO2003082455A2 Catalysts and process for oxidizing hydrogen sulfide to sulfur dioxide and sulfur
10/09/2003WO2002076910A3 Method for producing metal oxides and metal chalcogenides comprising a defined microstructure
10/08/2003EP1156867B1 Method for conversion of hydrogen sulfide to elemental sulfur
10/08/2003CN1446649A Mixture utilized to generate gas for protecting magnesium alloy in reaction
10/02/2003US20030185637 Transporting sulfur pellets
10/02/2003US20030182861 Solar-thermal fluid-wall reaction processing
10/01/2003EP1347818A1 Method for removing mercury from gas
10/01/2003CN1122633C Method and catalyst for direct sulphur oxidation of H2S contained in gas
09/2003
09/30/2003US6627680 Elemental sulfur matrix formed by using shear force on molten elemental sulfur containing nucleation material; compressive strength; agricultural fertilizer
09/30/2003US6627172 Cooling and contacting with highly concentrated sulfuric acid
09/30/2003US6627115 Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same
09/30/2003US6627110 Hydrogen sulfide removal process
09/30/2003US6627108 Desulphurizing catalytic composition and its use in removing hydrogen sulphide and sulphur dioxide from a gas
09/25/2003US20030181321 Composite particles for electrocatalytic applications
09/24/2003EP1345849A1 Method for the concentration of spent acid
09/24/2003CN1121894C Treatment of combustible gas stream
09/23/2003US6623856 Dental glass powders comprising spherical glass particles of specific particle size distribution
09/17/2003CN1442360A Method of producing sodium formate method sodium hydrosulfite using liquid sulfur dioxide and solid sodium carbonate
09/17/2003CN1121270C Preparation of boron trifluoride and sulfuric acid from boron trifluoride hydrate
09/11/2003US20030170153 Method and apparatus for generating H20 to be used in a wet oxidation process to form SiO2 on a silicon surface
09/11/2003US20030168635 For use in flat panel displays and lighting elements
09/10/2003EP1341604A1 Solar thermal aerosol flow reaction process
09/09/2003US6616908 Treatment of a gas stream containing hydrogen sulphide
09/04/2003WO2003072225A1 Method for eliminating mercaptan from crude gas
09/04/2003WO2000015547A3 Metal-carbon composite powders, methods for producing powders and devices fabricated from same
09/03/2003EP1339637A1 A process for the synthesis of nanotubes of transition metal dichalcogenides
08/2003
08/28/2003WO2003070633A1 Partial oxidation of hydrogen sulphide
08/27/2003EP1338557A1 Method and apparatus for removing sulfur compound in gas containing hydrogen sulfide, mercaptan, carbon dioxide and aromatic hydrocarbon
08/27/2003CN1119280C Method for recovering sulfuric acid from sulfurous by-products of process for preparing 2-hydroxy-4-methyl thiobutyric acid (MHA)
08/26/2003US6610264 Process and system for desulfurizing a gas stream
08/21/2003US20030157017 Polysulfide measurement methods using colormetric techniques
08/21/2003US20030157010 Method for the catalytic conversion of gases with a high sulfur dioxide content
08/20/2003EP1335789A1 Method for partially oxidising a gas stream comprising hydrogen sulphide and ammonia
08/20/2003CN1436719A Prepn process of sodium sulfide crystal
08/20/2003CN1436718A Solid-liquid separator for producing insoluble sulfur and its production process
08/19/2003CA2100294C Process of removing hydrogen sulphide from a gas mixture
08/14/2003WO2003066520A1 Purification of sulfuryl fluoride
08/14/2003US20030153186 Apparatus and method using a remote RF energized plasma for processing semiconductor wafers
08/13/2003EP1334951A1 Process for preparing nanocrystalline material
08/13/2003EP1334310A1 Burner and method for partly oxidising a gas stream comprising hydrogen sulphide and ammonia
08/13/2003EP1334063A2 A method and apparatus for producing inorganic fullerene-like nanoparticles
08/13/2003EP1333916A1 Conversion of methane and hydrogen sulfide in non-thermal silent and pulsed corona discharge reactors
08/13/2003CN1435273A Cyclic fluidized bed active coke desulfurating and sulfur reutilization method
08/13/2003CN1435272A Moving-bed active coke desulfurating and sulfur reutilization method
08/12/2003CA2302989C Production of hydrogen and carbon monoxide
08/07/2003US20030147803 Generation of boron-trifluoride and sulphuric acid from boron trifluoride hydrate
08/06/2003EP0933991A4 Powders providing controlled sustained release of a gas
08/06/2003CN1434913A Partial oxidation of hydrogen sulphide
08/06/2003CN1117030C Adsorbent for cesium ion and method or making and using
08/06/2003CN1116916C Method for thermally regenerating spent acid
08/05/2003US6602439 Controlled particle size
07/2003
07/31/2003US20030144134 Method for the fabrication of an electrocatalyst layer
07/31/2003US20030143127 Simplification, efficiency; reduced emissions of sulphur dioxide gas to the air
07/30/2003EP1115472B1 A process for the recovery of sulphur from a hydrogen sulphide, containing gas
07/30/2003EP1003603B1 Removal of contaminants from gas streams in rayon production
07/30/2003CN1116224C Process for preparation of anhydrous sodium sulfide
07/23/2003CN1431172A Method for preparing siliceous fertilizer by using dregs of sodium sulphide and its application
07/22/2003US6596253 Prevents foaming and clogging; minimizes energy consumption
07/17/2003WO2003057980A1 Polysulfide measurement methods using colorimetric techniques
07/17/2003US20030133850 Partial oxidation of hydrogen sulphide containing gas
07/17/2003CA2473507A1 Polysulfide measurement methods using colorimetric techniques
07/16/2003EP1326800A1 Method for removing nitrosyl sulphuric acid from the sulphuric acid process
07/16/2003EP1326799A2 Stoichiometric modification of an ionic structured solid
07/15/2003US6592782 Materials and methods for the separation of oxygen from air
07/10/2003WO2003055798A1 Method for reproducing lithium sulfide and method for producing polyarylene sulfide
07/10/2003US20030130114 Method for the deposition of an electrocatalyst layer
07/10/2003US20030129311 Meso-porous or macro- porous polymer film template is accomplished by a novel self-assembly mecahnism of moisture condensation-induced bubble formation
07/10/2003US20030129123 Catalytic oxidation of hydrogen sulfur to sulfur
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