Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 17 - Sulfur; Compounds thereof
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
07/2003
07/09/2003EP1325526A1 Synthesis method for carbon material based on li x?m 1-y?m'(xo 4?)n
07/09/2003EP1325525A1 Method for synthesis of carbon-coated redox materials with controlled size
07/09/2003EP1325165A1 Recovery of nickel and cobalt values from a sulfidic flotation concentrate by chloride assisted oxidative pressure leaching in sulfuric acid
07/09/2003EP1268054A4 Electrocatalyst powders, methods for producing powders and devices fabricated from same
07/09/2003EP1189837B1 Method for concentrating dilute acid
07/03/2003US20030124047 Reacting fluorite with sulfuric acid; applying shear to inerior wall of reactor which is wear and corrosion resistant
07/02/2003EP1123181A4 Aerosol method and apparatus for making particulate products
07/02/2003CN2558640Y Heat-storage spheric arch for sulfuric acid converter
07/01/2003CA2095105C Treatment of an aqueous stream containing water-soluble inorganic sulfide compounds to selectively produce the corresponding sulfate
06/2003
06/26/2003WO2003051947A2 Catalyst for spoc- enhanced synthesis gas production
06/26/2003WO2003051512A1 Thin-film photocatalyst, its production method, hydrogen sulfide processing method using the thin-film optical catalyst, and hydrogen producing method
06/26/2003US20030118884 Method for fabricating membrane eletrode assemblies
06/26/2003US20030118470 Method for treating hazardous and corrosion-inducing sulfur compounds
06/26/2003CA2470344A1 Catalyst for spoc-enhanced synthesis gas production
06/25/2003CN1425605A Method for preventing and resolving blockage of desulfurizing tower
06/24/2003US6582675 Drying hydrous sodium sulfite
06/19/2003WO2003049853A1 Solar thermal aerosol flow reaction process
06/18/2003EP1319151A1 Method for regenerating a residual substance that contains sulfur, and an atomizing burner suited for carrying out said method
06/18/2003CN1425119A Partial oxidation of hydrogen sulphide
06/18/2003CN1424247A Insoluble sulfur preparation
06/18/2003CN1111509C Process for preparing cerium sesqui sulfide used for red pigment
06/18/2003CN1111507C Purification of sulfuryl fluorine
06/17/2003US6579805 In situ chemical generator and method
06/17/2003US6579510 SPOX-enhanced process for production of synthesis gas
06/17/2003CA2142257C Process for the adiabatic preparation of mononitrotoluenes
06/12/2003WO2003047730A1 Method for recovering sulfur from sour industrial gases
06/12/2003US20030108839 Partial oxidation of hydrogen sulphide
06/11/2003CN1111078C Complex utilization method for boiler fume
06/10/2003US6576291 Preparation of nanocrystallites
06/05/2003WO2003045544A1 Configurations and methods for effluent gas treatment
06/05/2003US20030103889 Coagulation silica particles in sol; controlling concentration; heat resistance
06/05/2003US20030103884 Low-emission method of recovering sulfur from sour industrial gases
06/04/2003EP1315548A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide
06/04/2003EP1315547A1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide
06/04/2003EP1105204B1 Separation of gases containing sf 6
06/04/2003EP0850194B1 Process for preparing a nanocrystalline material
06/04/2003CN1421394A Prepn of spherical nickel hydroxide
06/04/2003CN1421264A Absorbing liquid for eliminating sulfide from gas mixture
06/04/2003CN1110347C Method for regenerating a loaded wash liquid from a gas desulfurization facility
06/03/2003US6572835 Method and apparatus for producing gaseous sulfur trioxide
06/03/2003US6572829 Closed cycle photocatalytic process for decomposition of hydrogen sulfide to its constituent elements
05/2003
05/28/2003EP1314478A1 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
05/28/2003EP1216088B1 Process for the removal of sulphur compounds from gases
05/27/2003US6569224 Hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate
05/21/2003EP1311457A1 Spox-enhanced process for production of synthesis gas
05/15/2003US20030091478 Blending sulphur dioxide gas and water in nonpressurized system without the use of countercurrent absorption tower; pollution control; for improving alkaline irrigation water
05/14/2003EP1181087B1 Isolation of sf6 from insulating gases in gas-insulated lines
05/14/2003CN1417112A Roasting process of vanadium catalyst for production of sulfuric acid
05/14/2003CN1417111A New Vanadium catalyst for low-temperature sulfuric acid production and its prepn
05/14/2003CN1417110A Prepn of active phase of vanadium catalyst for sulfuric acid production
05/14/2003CN1417109A Medium-temperature vanadium catalyst for sulfuric acid production and its prepn
05/14/2003CN1108273C Method for eliminating sulfide from waste gas
05/08/2003WO2003037790A2 Process and apparatus for producing sulfuric acid
05/08/2003WO2003037789A1 Method of recovering sulfurous components in a sulfur-recovery process
05/08/2003US20030086849 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching
05/07/2003CN1415541A Technique for producing magnesium hydroxide, barium choride and sulfureted hydrogen from brine water in salt lake
05/06/2003US6558646 Method for increasing the lifetime of stretford solution
05/06/2003CA2252539C Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them
05/01/2003US20030082096 Method of recovering sulfurous components in a sulfur-recovery process
05/01/2003US20030082086 Removal of thiothionylfluoride from sulfur tetrafluoride
05/01/2003US20030079981 Apparatus and method for distilling waste liquids
04/2003
04/29/2003US6555087 Cooling, esxtraction, circulation
04/29/2003US6555078 Lithium chloride or lithium sulfate is reacted with NaX or KX in a solution and the precipitated salts are removed to obtain the LiX solution of desired purity.
04/29/2003US6555022 Oxygen-containing, such as metal oxides, silicates, borates or titanates, small particle size, narrow particle size distribution; displays
04/29/2003CA2225917C Process for the desulphurization of gaseous substrate
04/29/2003CA2177449C Process for treating a gas stream to selectively separate acid gases therefrom
04/24/2003US20030077217 Combustion of sulfur with oxygen according to the principle of superstoichiometric combustion, cooling, catalytic conversion to sulfur-trioxide-containing gases, and removal of liquids
04/23/2003EP1303640A2 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery
04/23/2003EP1242306B1 Method for producing high-purity sulphuric acid
04/23/2003CN1412116A Method for preparing barium hydroxide
04/23/2003CN1412106A Equipment for making acid by using pyrite (sand) and method for making acid by means of full combustion of solid sulfur
04/23/2003CN1106388C Method and composition for regeneration of aminal compound
04/22/2003US6551570 Hydrogen sulfide removal process
04/22/2003US6551387 Gas separation apparatus
04/22/2003CA2263473C Silver-based antimicrobial compositions
04/17/2003US20030072707 Wherein hydrogen sulfide reacts with oxygen or air to form thiosulfate product without producing elemental sulfur, and without the use of external combustion oxidizer
04/16/2003EP0966398B1 Method and apparatus for producing gaseous sulfur trioxide
04/16/2003CN2545183Y SO3 filter of SO2 analyzer
04/16/2003CN1410347A Technology of synthesizing high concentration chlorosulfonic acid using low concentration salfur trioxide
04/15/2003US6548038 Process for the concentration of dilute sulphuric acid solutions
04/15/2003US6547959 Oxidation of sulfur compounds; noncracking, corrosion and stress resistance stainless steels
04/15/2003CA2061151C Treatment of gases
04/10/2003US20030069457 Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications
04/09/2003EP1300362A1 Method and apparatus for producing hydrogen fluoride
04/09/2003EP0946410B1 Process for recovering sulfur hexafluoride
04/09/2003CN1408638A Oxygen enriching method for furnace in sulfuric acid factory
04/09/2003CN1104935C Process for removing sulphure dioxide from flue gases
04/08/2003US6544492 Regeneration method for process which removes hydrogen sulfide from gas streams
04/03/2003WO2003027019A1 Method for recycling calcium sulfate
04/03/2003WO2003027018A1 Chemical and thermal decomposition of ammonium sulphate into ammonia and sulphuric acid
04/03/2003WO2003003491A3 Device for removing sulfur from a medium and fuel cell system
04/03/2003US20030064265 Membrane electrode assemblies for use in fuel cells
04/02/2003EP1298090A2 Oxygen enrichment of a sulfuric acid plant furnace
03/2003
03/27/2003US20030059363 Oxygen enrichment of a sulfuric acid plant furnace
03/27/2003US20030057136 Utilizing nonaqueous chemistry to preferentially absorb both hydrogen sulfide (H2S) and and light hydrocarbons out of the hydrogen stream; removes H2S and converts it to elemental sulfur; single process unit without purging hydrogen
03/27/2003US20030056819 For thermoelectric generator/refrigerators; mixed metal sulfides, selenides or tellurides having a CdI2 analogous layer structure
03/26/2003EP1295849A2 Low-temperature sulfur combustion process for the manufacture of oleum and sulfuric acid
03/26/2003EP1295848A1 Process for the selective oxidation of hydrogen sulphide to elemental sulphur
03/26/2003CN1103624C Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents
03/20/2003US20030054218 Method for making composite particles including a polymer phase
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