| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
|---|
| 07/04/2000 | US6083471 Method and catalyst for catalytically oxidizing a low concentration of H2 S in a gas to give sulphur |
| 07/04/2000 | US6083470 Process for removing organic phosphorous compounds and other impurities from dilute sulfuric acid |
| 07/04/2000 | US6083466 In a claus furnace |
| 07/04/2000 | CA2022646C Process of combusting an h2s-containing gas |
| 06/28/2000 | CN1257829A Process for granulating sodium sulfide |
| 06/28/2000 | CN1257828A Process for continuous production of sodium sulfide with evaporator |
| 06/27/2000 | US6080977 Apparatus for concentrating salt-containing solutions with microwave energy |
| 06/27/2000 | US6080379 Alumina-based catalyst for the treatment of gases containing sulphur compounds, use of these catalysts for the treatment and processes for treatment of the said gases |
| 06/27/2000 | US6080368 Comprising a mixing contactor to maximize the amount of water in contact with sulphur dioxide gas and the duration of the contact without creating back pressure in the system |
| 06/21/2000 | CN1257039A New technology for synthesizing chlorosulfonic acid |
| 06/21/2000 | CN1053637C Processf or producing sulfuric acid by using high-concentration sulfur-dioxide gas |
| 06/21/2000 | CN1053636C Active-carbon finely sweetening agent and preparation thereof |
| 06/14/2000 | EP1007308A4 Aerosol method and apparatus, particulate products, and electronic devices made therefrom |
| 06/14/2000 | EP1007308A1 Aerosol method and apparatus, particulate products, and electronic devices made therefrom |
| 06/13/2000 | CA2181328C Process for the production of high purity carbon dioxide |
| 06/08/2000 | WO2000032549A1 Method of producing acid fluorides from acid chlorides |
| 06/08/2000 | CA2352869A1 Method of producing acid fluorides from acid chlorides |
| 06/07/2000 | EP0885169B1 Adsorbent for cesium ion and method of making and using |
| 06/07/2000 | CN1255457A Process for purifying and reclaiming regenerated acid in coking plant |
| 06/07/2000 | CN1053177C Method for treating waste sulfuric acid produced in acetochloral prodn. |
| 06/07/2000 | CN1053163C Amorphous sodium silicate-metal sulfate composite powder |
| 05/31/2000 | EP1003690A1 Preparation of sulphides and selenides |
| 05/31/2000 | EP1003603A1 Removal of contaminants from gas streams in rayon production |
| 05/31/2000 | DE19942374A1 Verfahren zur Herstellung von Säurefluoriden aus Säurechloriden Process for the preparation of acid fluorides from acid chlorides |
| 05/27/2000 | CA2254612A1 A process for purifying and concentrating spent sulphuric acids |
| 05/24/2000 | EP1002763A1 Process and installation for treating a gas containing hydrogen sulfide and sulfur dioxide, including a by-products removing step |
| 05/24/2000 | EP1002571A1 Reactor for highly exothermic reactions |
| 05/23/2000 | US6066752 Process for producing sulfur-containing organosilicon compounds and synthetic intermediates thereof |
| 05/18/2000 | DE19851109A1 Reaktor zur Durchführung katalytischer Reaktionen mit starker Wärmetönung Reactor for carrying out catalytic reactions with high enthalpy change |
| 05/17/2000 | EP1000901A1 Method for producing sulfuryl fluoride |
| 05/16/2000 | US6063357 Reacting sulphur dioxide and hydrogen sulphide gases in presence of at least one basic catalyst such as sodium salicylate soluble in the polyether solvent, passing the mixture and solvent in a packed bed column in cocurrent mode |
| 05/16/2000 | US6063352 Branching scrubbing liquid discharge from scrubber to an oxidation unit for oxidizing ammonium sulfite to ammonium sulfate, before returning to scrubbing liquid from oxidation unit, adding ammonium hydroxide to scrubbing unit |
| 05/16/2000 | US6063347 Inhibition of pyrophoric iron sulfide activity |
| 05/10/2000 | EP0998363A1 A composition comprising a metal salt and metal powder therefrom by the calcining thereof |
| 05/10/2000 | CN1252737A Method for regenerating a loaded wash liquid from a gas desulfurization facility |
| 05/09/2000 | US6060026 Photoelectrochemical device containing a quantum confined silicon particle |
| 05/09/2000 | CA2202619C Improved sulfur separation system |
| 05/02/2000 | US6056936 Catalytic desulphurization process for a gas containing H2 S and SO2 compounds and catalyst for implementing said process |
| 05/02/2000 | US6055995 Semiconductor manufacture apparatus |
| 05/02/2000 | CA2152743C Regenerative scrubber application with condensing heat exchanger |
| 04/26/2000 | EP0914686B1 Method and apparatus for desulfurizing fuel gas |
| 04/26/2000 | CN1251348A Method for preparing nanometer material of compound of sulfur family and phosphorus family |
| 04/19/2000 | EP0994071A2 Lithium ion-conductive solid electrolyte and method for producing the same |
| 04/19/2000 | CN1251079A Method and catalyst for direct sulphur oxidation of H2S contained in a gas |
| 04/19/2000 | CN1250678A Method and equipment for treating gas contg. hydrogen sulfide and sulphur dioxide |
| 04/13/2000 | DE19851999C1 Production of sulfuryl fluoride useful as insecticidal fumigant comprises reacting sulfur dioxide with fluorine in presence of alkali metal fluoride and liquid hydrogen fluoride |
| 04/12/2000 | EP0992454A1 Process and apparatus for treatment of a gas containing hydrogen sulfide and sulfur dioxide and comprising a step for the removal of solid byproducts |
| 04/05/2000 | EP0989902A1 Method for desulfurizing off-gases |
| 04/05/2000 | EP0805713B1 Process and apparatus for purification of contaminated acids |
| 04/04/2000 | US6045770 Granulated sulfur is transported by a conveyor to a sulfur furnace where it is combusted into sulfur dioxide; the sulfur dioxide flows from the sulfur furnace into catalytic converter which generates sulfur trioxide |
| 04/04/2000 | US6045695 Biological treatment of spent caustics |
| 03/30/2000 | WO2000017099A1 Method for direct oxidation in sulphur, by catalytic process and in vapour phase, of low content h2s in a gas |
| 03/29/2000 | CN1248545A Process for preparing cerium sesqui sulfide used for red pigment |
| 03/28/2000 | US6042803 Method of reacting hydrogen sulfide to produce sulfur |
| 03/28/2000 | CA2164090C Process for purifying sulphide-containing waste water |
| 03/23/2000 | WO2000015586A1 Field assisted transformation of chemical and material compositions |
| 03/23/2000 | WO2000015547A2 Metal-carbon composite powders, methods for producing powders and devices fabricated from same |
| 03/22/2000 | EP0986432A1 Method and system for selective removal of contamination from gas flows |
| 03/22/2000 | EP0914293B1 Method of manufacturing sulphuric acid |
| 03/22/2000 | CN1050583C Method of producing 2-hydroxyl-4-(methylthio) butyric acid and prepn. of sulphuric acid |
| 03/22/2000 | CN1050526C Method for removing sulphur compounds from residual gas such as residual gas from claus process sulphur plant and recovering said compound as sulphur |
| 03/21/2000 | CA2107689C Method for removing sulphur compounds from water |
| 03/18/2000 | CA2246662A1 Ceramic tower packing support |
| 03/16/2000 | WO2000014011A1 Sulphuric acid conversion process |
| 03/15/2000 | EP0985007A1 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same |
| 03/09/2000 | WO2000012437A1 Glass powders, methods for producing glass powders and devices fabricated from same |
| 03/09/2000 | WO2000012429A1 Method for removing nitrogen oxides from nitrosyl sulphuric acid |
| 03/09/2000 | WO2000012278A1 Aerosol method and apparatus for making particulate products |
| 03/09/2000 | CA2345299A1 Aerosol method and apparatus for making particulate products |
| 03/09/2000 | CA2343782A1 Method for removing nitrogen oxides from nitrosyl sulphuric acid |
| 03/08/2000 | CN1050109C Method for refining waste sulfuric acid from alkylation |
| 03/07/2000 | US6033632 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them |
| 03/03/2000 | CA2246474A1 Sulphuric acid conversion process |
| 03/02/2000 | WO2000010693A1 A process for the recovery of sulphur from a hydrogen sulphide, containing gas |
| 03/02/2000 | WO2000010688A1 Separation of gases containing sf¿6? |
| 03/02/2000 | DE19839674A1 Verfahren zum Entfernen von Stickstoffoxiden aus Nitrosylschwefelsäure A process for removing nitrogen oxides from nitrosyl sulfuric acid |
| 03/02/2000 | DE19838718A1 Production of phosphorus nitride sulfide used as flame retardant for plastics comprises reacting liquid phosphorus sulfide with ammonia |
| 03/02/2000 | CA2341246A1 Separation of gases containing sf6 |
| 03/01/2000 | CN1245775A Improvement of production method of sodium thiosulfate |
| 03/01/2000 | CN1245774A Cyctic utilization of waste water in the course of production of sodium thiosulfate |
| 02/29/2000 | US6030597 Process for treating H2 S containing streams |
| 02/29/2000 | US6030592 Process for the desulfurization of sulfur dioxide-containing gases |
| 02/23/2000 | CN2365194Y Round tube type glass fibre reinforced plastic electric defroster |
| 02/23/2000 | CN1245443A Use of catalyst with base of molybdenum for direct oxidation at low temp. of sulphurous compounds into sulphur and/or sulphates |
| 02/23/2000 | CN1245139A Process for preparing barium polysulfide |
| 02/23/2000 | CN1049638C Technology for production of highly-finished sulfuric acid series product |
| 02/22/2000 | US6028882 Claus unit cooling and heat recovery system |
| 02/22/2000 | US6027704 Sulfur oxides are oxidatively sorbed onto solid sorbents such as magnesium aluminate, reduction with hydrogen regenerates the catalyst, and yields a stream concentrated in sox, which can be refed to coal or oil burners for removal |
| 02/17/2000 | WO2000007935A1 Sulphurous acid generator with air injector |
| 02/16/2000 | CN1244493A Production technology of yellow flaky sodium sulfide with low carbon and iron contents |
| 02/15/2000 | US6024933 Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst |
| 02/15/2000 | US6024932 Method for the conversion of gypsum to elemental sulfur |
| 02/15/2000 | CA2136382C Process for removing elemental sulfur from a gas stream |
| 02/10/2000 | WO2000006487A1 Process for the concentration of dilute sulphuric acid solutions |
| 02/09/2000 | EP0978478A1 Purification of Sulphuryl Fluoride |
| 02/09/2000 | EP0977708A1 Method and device for converting hydrogen sulfide into elemental sulfur |
| 02/09/2000 | CN1243803A Purification of sulfuryl fluorine |
| 02/03/2000 | WO2000005171A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |
| 02/03/2000 | DE19834882A1 Reinigung von Sulfurylfluorid Cleaning of sulfuryl fluoride |
| 02/03/2000 | CA2338088A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |