| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 08/04/2004 | EP1442784A1 Inorganic porous membrane containing carbon, method of manufacturing and use thereof |
| 08/04/2004 | CN1517303A Combined process for treating sewage containing ammonia and sulfuric acid |
| 08/04/2004 | CN1160253C Production process of aluminium iron sulfate polymer as composite water purifying agent |
| 08/03/2004 | US6770226 Controlling particle size; spraying; batch processing |
| 07/29/2004 | US20040146584 Novel porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith |
| 07/29/2004 | US20040146453 Process for the synthesis of BrSF5 |
| 07/28/2004 | CN1159210C Process for preparing V catalyst used to prepare low-temp sulfuric acid |
| 07/22/2004 | WO2004038092A3 Systems and methods for generating polysulfides |
| 07/22/2004 | US20040141910 Catalytic membrane reactor for breaking down hydrogen sulphide into hydrogen and sulfur and separating the products of this breakdown |
| 07/22/2004 | US20040141909 Process for condensation of sulphuric acid vapours to produce sulphuric acid |
| 07/22/2004 | US20040141906 Novel graphite nanocatalysts |
| 07/22/2004 | US20040140244 Desulfurization and sorbents for same |
| 07/22/2004 | US20040139820 a powder batch and method of making copper metal particles that are substantially spherical, have a weight average particle size of less than about 5 mu m and a narrow particle size distribution and high crystallinity |
| 07/21/2004 | CN1513754A Making method of heat storage spherical arch and heat storage ceramin tile in sulfuric acid conver for |
| 07/21/2004 | CN1513753A Method of producing sulfuric acid using hydroxg oxidation of sulfur dioxide |
| 07/20/2004 | US6764670 Removal of thiothionylfluoride from sulfur tetrafluoride |
| 07/15/2004 | US20040137289 Fuel cells that operate on nuclear reactions produced using rapid temperature changes |
| 07/15/2004 | US20040134794 oxidizing sodium sulfide in kraft cooking liquor; by-product inhibition |
| 07/15/2004 | US20040134230 Dental glass powders |
| 07/14/2004 | CN1511781A Multifunction sulfur recovery catalyst and its preparing method |
| 07/13/2004 | CA2135907C Method for removing sulphur compounds from a residual gas such as residual gas from a claus process sulphur plant, and recovering said compounds as sulphur |
| 07/08/2004 | WO2004056464A1 Methods and apparatus for heat treatment in a fluidised bed |
| 07/08/2004 | WO2004056454A1 Chemical-biological process for the removal of h2s from a gas |
| 07/08/2004 | US20040131536 Purification of sulfuryl fluoride |
| 07/08/2004 | DE10257093A1 Aerosol separator, especially for purifying sulfur trioxide gas to give a product which can be used in production of electronic-grade sulfuric acid, has a wall of partly perfluoroalkoxylated polytetrafluoroethylene |
| 07/07/2004 | CN1509981A Heat recovery tower for sulfuric acid plant |
| 07/01/2004 | US20040126311 Process for removing organic impurities from sulfuric acid with liquid or supercritical carbon dioxide |
| 07/01/2004 | US20040123993 System and method for gas recycling incorporating gas-insulated electric device |
| 06/30/2004 | EP1433860A1 Process for regenerating thiosulphate from a spent thiosulphate gold leachant |
| 06/30/2004 | CN1508063A Method for preparing waterfree alkali sulfide |
| 06/30/2004 | CN1155526C Biological treatment method for waste alkali liquid |
| 06/24/2004 | DE10256531A1 Verfahren zur Herstellung von wasserfreiem Alkalisulfid A process for producing anhydrous alkali sulfide |
| 06/24/2004 | DE10256530A1 Verfahren zur Herstellung von wasserfreiem Alkalisulfid A process for producing anhydrous alkali sulfide |
| 06/22/2004 | US6753108 Energy devices and methods for the fabrication of energy devices |
| 06/17/2004 | WO2004050553A1 Apparatus recycling spent sulfuric acid |
| 06/17/2004 | WO2004050552A1 Power generation from sulphur-containing fuels |
| 06/17/2004 | US20040115936 Remote ICP torch for semiconductor processing |
| 06/17/2004 | US20040115345 Nanoparticle fractionation and size determination |
| 06/16/2004 | EP1027149B1 Catalytic membrane reactor with a three dimensional catalyst in the oxidation zone |
| 06/16/2004 | CN1505699A Method for simultaneous electrochemical production of sodium dithionite and sodium peroxodisulfate |
| 06/16/2004 | CN1504406A Adjustable sulfuric acid conversion heat-exchange process |
| 06/16/2004 | CN1504405A Process for producing anhydrous alkali sulfide |
| 06/10/2004 | WO2004022482A3 Method for purifying hydrogen sulphide on porous supports |
| 06/10/2004 | US20040110003 Method for shaping a nanotube and a nanotube shaped thereby |
| 06/10/2004 | US20040109820 closed-loop sulphur dioxide removal and regeneration recycle process which is environmentally friendly |
| 06/10/2004 | US20040109819 Process for producing anhydrous alkali sulfide |
| 06/10/2004 | US20040109818 Process for producing anhydrous alkali sulfide |
| 06/09/2004 | EP1426332A1 Process for the preparation of anhydrous alkali metal sulfide |
| 06/09/2004 | EP1426331A1 Process for the preparation of anhydrous alkali metal sulfide |
| 06/09/2004 | EP1224149A4 Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties |
| 06/03/2004 | WO2004046102A2 Novel graphite nanocatalysts |
| 06/03/2004 | US20040105802 NOx, Hg, AND SO2 REMOVAL USING AMMONIA |
| 05/27/2004 | WO2004043854A2 Method for rendering liquid sulfur inert |
| 05/27/2004 | DE10351808A1 Verfahren zur automatisierten Herstellung von reinem SO2 aus Schwefel und Sauerstoff A process for automated preparation of pure SO2 from sulfur and oxygen |
| 05/26/2004 | EP1421043A1 A process for manufacturing potassium sulfate fertilizer and other metal sulfates |
| 05/26/2004 | EP1214278B1 Regeneration of onium fluoride-hf adducts |
| 05/25/2004 | US6740302 Method for producing high-purity sulphuric acid |
| 05/20/2004 | US20040097758 Halogen-fluorine exchange or addition of HF to a C-C multiple bond in with a fluorination agent in the presence of an HF adduct of a monocyclic or bicyclic amine containing at least two nitrogen atoms at least one of which in in the ring |
| 05/20/2004 | US20040096720 Chalogenides; heat and chemical resistance; protonation glass, ceramic |
| 05/20/2004 | US20040096381 Process and apparatus for recovering sulphur from a gas stream containing sulphide |
| 05/13/2004 | US20040089410 Bulk synthesis of long nanotubes of transition metal chalcogenides |
| 05/12/2004 | CN1149174C Method for preparing sulfuric acid by incineration of refined benzene regeneration acid |
| 05/11/2004 | US6733739 Preparation of sulphides |
| 05/06/2004 | WO2004038092A2 Systems and methods for generating polysulfides |
| 05/06/2004 | WO2004037719A1 Process and plant for the manufacture of sulphuric acid from gases rich in sulphur dioxide |
| 05/06/2004 | US20040086451 Method for the automated manufacture of pure SO2 from sulfur and oxygen |
| 05/06/2004 | US20040086445 Synthesis method for carbon material based on lixm1-ym'(xo4)n |
| 05/06/2004 | US20040086443 Inhibiting the evolution of hydrogen sulfide (H2S) from molten sulfur comprising contacting the molten sulfur contaminated with at least one sulfhydryl compound with an amount of a scavenging agent |
| 05/06/2004 | EP1062025B1 IMPROVED PROCESS FOR TREATING H2S-LEAN STREAMS WITH RECYCLE OF SOx FROM BURNER |
| 05/06/2004 | DE10249782A1 Verfahren und Anlage zur Herstellung von Schwefelsäure aus schwefeldioxidreichen Gasen Process and apparatus for the production of sulfuric acid from sulfur-rich gases |
| 05/05/2004 | CN1148316C Acid hydrogen sulfide gas blending method in pyrite fluidizing furnace |
| 05/04/2004 | US6730245 Slurry includes abrasive particles have a small particle size, narrow size distribution and a spherical morphology, and the particles are substantially unagglomerated, selected from silica, alumina, zirconia, ceria etc. and mixture |
| 04/29/2004 | WO2004035178A1 Method for purifying carbon dioxide |
| 04/29/2004 | US20040081605 Washing with aqueous solution containing slenium compound; precipitation as selenium-mercury alloy at low temperature |
| 04/29/2004 | US20040080256 Composite oxide; fine particle size; generating aerosols, heating to remove liquid, coating surfaces |
| 04/28/2004 | EP1412286A2 Method for regulating water concentration in a process stream |
| 04/28/2004 | EP1315547B1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 04/28/2004 | CN1147425C High-concentration sulfur dioxide three-conversion three-absorption acid-making process |
| 04/28/2004 | CN1147424C Solvent thermal synthesis method for nano sulfide |
| 04/28/2004 | CN1147353C Catalytic membrane reactor with two component three dimensional catalysis |
| 04/21/2004 | EP1411029A1 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 |
| 04/21/2004 | CN1146655C Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 04/20/2004 | US6723874 Method of producing acid fluorides from acid chlorides |
| 04/20/2004 | US6723153 Introducing mixture of sulfur hexafluoride(sf6) and nitrogen(n2) to a membrane separator comprising separating membrane which preferentially passes n2 to obtain sf6 enriched retentate and a n2 enriched permeate |
| 04/15/2004 | US20040072958 Reuse; decomposition of peroxy compound; rinsing liquid for semiconductors |
| 04/14/2004 | CN1489560A Production of fluorine compounds |
| 04/14/2004 | CN1145521C Method for recovery of sulphur from gas containing hydrogen sulphate |
| 04/08/2004 | WO2004028963A1 Process for the conversion of polysulfanes |
| 04/08/2004 | WO2003020663A8 A process for manufacturing potassium sulfate fertilizer and other metal sulfates |
| 04/08/2004 | DE10245164A1 Verfahren zur Umwandlung von Polysulfanen A process for the conversion of polysulfanes |
| 04/07/2004 | EP1315548B1 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide |
| 04/07/2004 | CN1144769C Sulphur binder and its producing method |
| 04/01/2004 | WO2003086967A3 Method for controlling the partial oxidation of a gas containing hydrogen sulfide with the aid of air and oxygen |
| 04/01/2004 | US20040062708 Process for the synthesis of nanotubes of transition metal dichalcogenides |
| 04/01/2004 | US20040062707 Connecting to scrubbing smelter; wet and dry separation; dilution; contacting with hot contercurrent flow |
| 03/31/2004 | CN1485268A Processing for granular sodium sulfide |
| 03/25/2004 | WO2004024622A1 A process for the recovery of sulphur from gas streams containing hydrogen sulphide |
| 03/24/2004 | CN2607359Y Vertical and horizontal reactor for catalytic thermolysis of hydrogen sulfide |
| 03/23/2004 | US6709566 Shaping electrode removes material under a potential difference to controllably shape to a desired contour |
| 03/18/2004 | WO2004022483A1 Compound semiconductor particles and production process therefor |