| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 11/11/1997 | US5686057 Selective oxidation of hydrogen sulfide in molten sulfur |
| 11/11/1997 | US5686056 Methods and apparatus for purifying hydrogen sulfide |
| 11/06/1997 | WO1997041295A1 Method for producing polysulfides by electrolytic oxidation |
| 11/06/1997 | WO1997041060A1 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them |
| 11/06/1997 | CA2204463A1 Process for hydrometallurgic and electrochemical treatment of sulfur antimony ores with production of electrolytic antimony and elemental sulfur |
| 11/05/1997 | EP0804380A1 Method and catalyst for catalytically oxidising a low concentration of h 2?s in a gas to give sulphur |
| 11/05/1997 | CN1164220A Improved sulfur separation system |
| 11/05/1997 | CN1163858A Process for recovering sulfur from gas containing hydrogen sulfide |
| 11/04/1997 | US5683671 Dilution and heating an acid, steam mixture and reaction of acid with oxidizer |
| 11/04/1997 | US5683670 Removal of sulfur dioxide from sulfur trioxide |
| 11/04/1997 | US5683666 Method for the removal of sulfur dioxide and nitrogen oxides for a gaseous stream |
| 11/04/1997 | US5683588 Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions |
| 10/29/1997 | EP0640066B1 Methods for regenerating a sulfur scavenging compound from a product of a sulfur scavenging reaction |
| 10/28/1997 | US5682593 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate |
| 10/28/1997 | US5681540 Process for the recovery of sulfur from a feed stock |
| 10/22/1997 | EP0802575A2 Lithium ion-conductive solid electrolyte and method for producing the same |
| 10/22/1997 | EP0802161A1 Method of manufacturing silicon sulfide |
| 10/22/1997 | EP0802159A1 Method of manufacturing lithium sulfide |
| 10/22/1997 | EP0801633A1 Method for oxidising h 2?s to sulphur |
| 10/22/1997 | EP0801632A1 Method for removing virtually all the sulphur compounds h2s, so2, cos and/or cs2 from sulphur plant waste gases, and recovering such compounds as sulphur |
| 10/22/1997 | EP0662929B1 Method for reclaiming metal sulfate-containing waste sulfuric acid |
| 10/21/1997 | US5679290 Packed absorption towers |
| 10/21/1997 | US5679235 Titanium and cerium containing acidic electrolyte |
| 10/16/1997 | WO1997037750A1 Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst |
| 10/16/1997 | CA2202590A1 Method of manufacturing silicon sulfide |
| 10/16/1997 | CA2202585A1 Method of manufacturing lithium sulfide |
| 10/15/1997 | CN1036129C Method for purifying and treating regenerated acid of coking plant |
| 10/14/1997 | US5676921 Method for the recovery of elemental sulfur from a gas mixture containing H2 S |
| 10/14/1997 | CA2035185C Sulphur monoclinic compounds production process |
| 10/09/1997 | WO1997036970A2 Method for fluidizing tars |
| 10/09/1997 | CA2245918A1 Method for fluidizing tars |
| 10/07/1997 | US5674464 Desulphurization of waste gases |
| 10/07/1997 | US5674459 Hydrogen peroxide for flue gas desulfurization |
| 10/07/1997 | CA2068989C Process of reclaiming battery acid from lead acid batteries |
| 10/02/1997 | DE19612945A1 Removing sulphide(s) from waste caustic alkali liquors |
| 10/01/1997 | EP0798032A1 Gas separation |
| 10/01/1997 | EP0797649A1 Method of preparing small particle size phosphors |
| 10/01/1997 | EP0797477A1 Air pollution control and heat recovery system |
| 09/29/1997 | CA2201054A1 Gas separation |
| 09/25/1997 | WO1997034694A1 PREPARATION AND USE OF NON-CHROME CATALYSTS FOR Cu/Cr CATALYST APPLICATIONS |
| 09/25/1997 | CA2250132A1 Preparation and use of non-chrome catalysts for cu/cr catalyst applications |
| 09/24/1997 | EP0796221A1 Method and equipment for recovery and treatment of sulphur dioxide contained in exhaust gases |
| 09/23/1997 | US5670128 Regeneration of sulfuric acid from sulfate by-products of 2-hydoxy-4-(methylthio) butyric acid manufacture |
| 09/23/1997 | US5670123 Process for the extraction of hydrogen sulphide from a gas mixture |
| 09/18/1997 | DE19610280A1 Production of anhydrous metal sulphide |
| 09/17/1997 | EP0795558A1 Process for the preparation of polysulfidic silylethers |
| 09/17/1997 | EP0537143B1 Composition and process for treating water containing metal ions and organic and/or inorganic impurities |
| 09/17/1997 | CN1159767A Desulfurization of incondensible gases from the vacuum distillation of crude oil |
| 09/15/1997 | CA2199774A1 A method of preparing polysulphidic silyl ethers |
| 09/12/1997 | WO1997032816A1 Adsorbent for cesium ion and method of making and using |
| 09/12/1997 | WO1997032813A1 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, method for the preparation of such a catalyst, and method for the selective oxidation of sulfur compounds to elemental sulfur |
| 09/12/1997 | WO1997010895A3 Sulfur dioxide reduction catalyst |
| 09/10/1997 | EP0794150A1 Process and apparatus for the cracking of the ammoniac present in a gas containing hydrogen sulphide |
| 09/08/1997 | CA2199056A1 Procedure for cracking ammonia present in a gas containing hydrosulphuric acid |
| 09/03/1997 | EP0792247A1 Metal and fluorine values recovery from mineral ore treatment |
| 08/28/1997 | WO1997030762A1 Foot skate climbing simulation exercise apparatus and method |
| 08/28/1997 | DE19614642A1 Recovery of waste sulphuric acid from mineral oil industry |
| 08/27/1997 | EP0640005B1 Method for removing sulphur compounds from a residual gas such as a residual gas from a claus process sulphur plant, and recovering said compounds as sulphur |
| 08/27/1997 | EP0541687B1 Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite |
| 08/27/1997 | CN1158114A Process for separating hydrogen halides from gases containing sulphur dioxide |
| 08/21/1997 | WO1997029834A1 Process for removing sulfur as a liquid during gas treating |
| 08/21/1997 | CA2240319A1 Process for removing sulfur as a liquid during gas treating |
| 08/19/1997 | CA1339291C Process for enhancing the yield of sulfur produced from a h s-containingacid gas in a production system comprising a sulfur production facility followed by a cleaning unit |
| 08/12/1997 | US5656262 Containing dihydroxyacetone, a sulfite ion source and a stabilizer |
| 08/12/1997 | US5656251 Method of sulfur purification |
| 08/12/1997 | CA1339242C Process and means for eliminating low content h s present in a gas also containing an important quantity of water vapour |
| 08/06/1997 | EP0772485A4 Desulfurization of incondensible gases from the vacuum distillation of crude oil |
| 08/06/1997 | CN1156437A Process for realization of endothermic reactions for thermal decomposition of solids, producing gases and solid residue |
| 08/05/1997 | US5653955 Cyclic process for oxidation of calcium sulfide |
| 08/05/1997 | US5653953 Using vanadium molybdenum catalyst |
| 07/30/1997 | EP0785905A1 Improved sulfur separation system |
| 07/30/1997 | CN1155874A Catalytic desulphurization process for a gas containing H2S and SO2 compounds, and catalyst for impelementing said process |
| 07/29/1997 | US5652192 Mixture of catalytically active material and carrier materials which may themselves be active; achieved by combining active and carrier materials prior to or concurrent with crystallite formation |
| 07/29/1997 | US5651896 Sulfur separation system with interface control |
| 07/24/1997 | WO1997026267A1 Pyridine phosphonates and chelates thereof |
| 07/24/1997 | WO1997026081A1 Oxidation-reduction process |
| 07/24/1997 | WO1997026070A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas |
| 07/24/1997 | WO1997026069A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas |
| 07/24/1997 | DE19601713A1 Carbonisation process used with wide variety of carbonaceous feedstocks |
| 07/24/1997 | CA2243482A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas |
| 07/24/1997 | CA2241790A1 Method for removing sulfur-containing contaminants, aromatics and hydrocarbons from gas |
| 07/23/1997 | CN1154946A Method for regenerating waste sulfuric acid for alkylation |
| 07/23/1997 | CN1154945A Method for prepn. of sodium thio sulfate from sodium sulfite contained in waste liquid from production of 2-naphthol |
| 07/17/1997 | WO1997025138A1 Chemical sorbent and methods of making and using same |
| 07/16/1997 | EP0784031A1 Process for the purification of sulfuric acid |
| 07/16/1997 | EP0783919A1 Composite hydrogen separation element and module |
| 07/16/1997 | EP0783456A1 Process for the realization of endothermic reactions for the thermal decomposition of solids, producing gases and solid residues |
| 07/16/1997 | EP0681558B1 Stable sulfide compositions, uses, and process for preparation thereof |
| 07/15/1997 | US5648571 Methods for the synthesis of chemical compounds |
| 07/15/1997 | US5648565 Process for the adiabatic preparation of mononitrotoluenes |
| 07/15/1997 | US5648054 Desulfurization |
| 07/11/1997 | CA2193776A1 Composite hydrogen separation element and module |
| 07/09/1997 | EP0782545A1 A method to prepare calcium carbonate |
| 07/09/1997 | EP0782541A1 Process for separating hydrogen halides from gases containing sulphur dioxide |
| 07/08/1997 | US5645626 Multicomponent composite metal membranes |
| 07/03/1997 | WO1997023686A1 Process for the conversion of calcium sulfide |
| 07/03/1997 | CA2241138A1 Process for the conversion of calcium sulfide |
| 07/02/1997 | EP0781605A1 Removal of metal compounds from an acid solution |
| 07/02/1997 | CN1153136A Method for selective oxidation of sulphur compounds to elemental sulphur |
| 07/01/1997 | US5643642 Polymeric metal oxide materials and their formation and use |