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)
10/1998
10/14/1998CN1195644A Method for preparing sulphuric acid by baking sulphur in fluidized-bed furnace
10/13/1998US5821428 For viewing the flow of material
10/13/1998US5820837 Regenerating solvent; flashing; recovering high quality carbon dioxide
10/08/1998WO1998043716A2 Sulfuric acid purification process
10/08/1998CA2285418A1 Sulfuric acid purification process
10/07/1998EP0868562A1 Process for the conversion of calcium sulfide
10/01/1998WO1998042618A1 Safe storage and transportation of sulfur dioxide
10/01/1998DE3690569C2 Removing sulphur cpds. from residual gas
09/1998
09/30/1998CN1194593A Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst
09/29/1998US5814293 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur
09/29/1998CA2007123C Method for purifying high-temperature reducing gas
09/23/1998CN1193619A Improved process and system for separation and recovery of perfluorocompound gases
09/22/1998CA2037051C Purification of elemental sulphur
09/16/1998EP0864535A2 Process and apparatus for evaporation of saline solutions
09/16/1998CN1192990A Process for producing industrial sulfuric acid by calcining nickel anode mud using troilite boiling furnace
09/15/1998US5808072 Redox catalyst ligands
09/15/1998US5807530 Process for burning of sulfur
09/15/1998US5807410 Process for removing elemental sulfur from a gas stream
09/15/1998CA2052856C Process for purifying high-temperature reducing gases
09/09/1998EP0506741B1 Process of reclaiming battery acid from lead acid batteries
09/09/1998CN2290398Y Sulfur molten pot
09/09/1998CN1192723A Method and device for processing hydrogen sulphide-contg. gas, comprising a cooling step for crystallised sulphur removal
09/08/1998US5804153 Catalytic removal of sulfur dioxide form flue gas
09/01/1998US5800788 Reactor container, plant and process for the production of sulfuric acid
09/01/1998US5800716 Processes for the treatment of acidic liquors and for the production of commercial products thereby
08/1998
08/27/1998WO1998037166A1 Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same
08/27/1998WO1998037165A1 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same
08/27/1998WO1998036888A1 Aerosol method and apparatus, particulate products, and electronic devices made therefrom
08/27/1998WO1998036887A1 Aerosol method and apparatus for making particulate products
08/27/1998DE3690568C2 Removing sulphur cpds. from residual gas
08/26/1998CN1191495A Liquid medium extraction purification method
08/25/1998US5798088 Method for producing elemental sulfur from sulfur-containing gases
08/18/1998US5795554 Method for preparing the oxysulfides of rare earth elements
08/11/1998US5792441 Fixed-resin bed technologies for the treatment of the chlorine dioxide generator effluent and feeds stream
08/11/1998US5792029 Foot skate climbing simulation exercise apparatus and method
08/11/1998CA1339989C Process for the dissolving of sulfur
08/05/1998CN1189864A Method for producing polysulfides by electrolytic oxidation
08/05/1998CN1189541A Method of extracting copper, iron gold, silver and sulphur from auricupride
08/04/1998US5788949 Liquid phase conversion of a source of sulfur dioxide to sulfuric acid
08/04/1998US5788896 Injecting molten sulfur into water flow
08/04/1998CA2120143C Conversion of hydrogen sulfide to sulfur and hydrogen
07/1998
07/30/1998WO1998032694A1 Method and apparatus for producing gaseous sulfur trioxide
07/30/1998WO1998032518A1 Double loop liquid-liquid h2s removal process
07/29/1998EP0688374B1 A method of separating sulphur compounds
07/28/1998US5785938 Process using recyclable sorbents for the removal of sox from flue gases and other gas streams
07/28/1998CA1339974C Process for removing h2s from a gas stream
07/28/1998CA1339968C Method and apparatus for sulfuric acid concentration
07/22/1998EP0853970A2 An improved process and system for separation and recovery of perfluorocompound gases
07/22/1998CN1188425A Process for dry desulphurisation of combustion gas
07/22/1998CN1188071A Method for preparing crystalline bisulfate by using chloride as raw material
07/22/1998CN1188022A Technological process for absorbing and converting sulfur dioxide gas
07/21/1998US5783374 Process for processing photographic baths from color processes
07/15/1998EP0852565A1 Sulfur recovery process using sulfur debonding agent
07/15/1998CN1187458A Process for concentration of sulphuric acid
07/15/1998CN1039114C Method and apparatus for manufacture of cement clinker
07/14/1998US5779464 Calcium carbonate sorbent and methods of making and using same
07/08/1998EP0852159A2 Process for the desulphurization of gaseous substrate
07/08/1998EP0851836A1 Process for the high pressure degassing of hydrogen sulfide from liquid sulfur
07/08/1998EP0851787A1 Process for selective oxidation
07/08/1998EP0684931B1 Method for desulfurizing a gas
07/08/1998CN1186842A Treating method for hydrogen sulfide and sulfur dioxide containing gas, comprising a desulfurizing step by cooling gaseous effluent
07/08/1998CN1186770A Method of solution growing semiconductor film
07/01/1998EP0850194A1 Process for preparing a nanocrystalline material
07/01/1998EP0850193A1 Method and apparatus for degassing sulfur
06/1998
06/30/1998US5772955 Apparatus for suspension smelting
06/25/1998WO1998027008A1 Process for recovering sulfur hexafluoride
06/25/1998CA2274570A1 Process for recovering sulfur hexafluoride
06/24/1998EP0849217A1 Process and apparatus for purifying a gas containing hydrogen sulfide and sulfur dioxide
06/24/1998EP0848641A1 Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst
06/24/1998CN1185440A Preparation method for de (silicyl organic group) -polysulfane
06/23/1998US5770754 Method of preparing polysulphidic silyl ethers
06/23/1998US5769940 Addition of fly ash to hydrates of calcium sulfite and calcium sulfate, agglomeration, drying, calcining, reacting sulfur dioxide gas with hydrogen and carbon monoxide
06/23/1998US5769909 Method and apparatus for desulfurizing fuel gas
06/18/1998WO1998025691A1 Use of a catalyst with base of molybdenum for direct oxidation at low temperature of sulphurous compounds into sulphur and/or sulphates
06/17/1998EP0848006A2 Process for preparing bis(silylorganyl)-polysulfanes
06/16/1998US5766567 Method for desulphurising a gaseous mixture containing H2 S and SO.sub.
06/16/1998US5766339 Process for producing cement from a flue gas desulfurization process waste product
06/10/1998EP0846656A1 Process for regenerating sodium sulphide from the sodium sulphate which forms in treating lead paste from exhausted batteries
06/10/1998EP0715602B1 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur
06/10/1998EP0649386B1 Process for the production of sulphuric acid from sulphur dioxide
06/10/1998CN1038654C Devulcanizing agent prepared from waste acidic liquid and producing process thereof
06/09/1998US5762899 Process for desulfurizing a H2 S-containing gas
06/04/1998WO1998023708A1 H2s production from a molten metal reactor
06/04/1998WO1998023363A1 Preparation of homogeneous gas mixtures with sf¿6?
06/04/1998DE19751207A1 Mobile mixing station preparing insulating gas for underground high voltage cables
06/04/1998CA2222514A1 Process for regenerating sodium sulphide from the sodium sulphate which forms in treating lead past from exhausted batteries
06/02/1998US5759508 Process for producing oxochlorides of sulfur
06/02/1998CA2026555C High pressure-low pressure steam system for extended claus sulfur recovery plant
06/02/1998CA2026548C Condenser-reactor switching units for extended claus process
06/02/1998CA2026392C High pressure-low pressure steam system for extended claus sulfur recovery plant
06/02/1998CA2022231C Process for producing electrolytic lead and elemental sulfur from galena
05/1998
05/27/1998EP0844292A1 Composition and use thereof in conversion of a gas containing hydrogen sulfide and sulfur dioxide to sulfur
05/27/1998EP0844211A1 Process for concentration of sulphuric acid
05/26/1998US5756852 Co-oxidation of H2 S and saturated hydrocarbons
05/26/1998US5756058 Process for purifying sulfur oxides-containing gas
05/20/1998EP0842895A1 Selective oxidation of hydrogen sulfide in molten sulfur
05/19/1998US5753201 Gas stream containing sulfur oxides and oxygen
05/13/1998EP0840709A1 Claus sulphur production process and installation
05/13/1998CN1181743A Liquid phase conversion of a source of sulfur dioxide to sulfuric acid
05/12/1998US5750032 Removal of lithium from polymer cements
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