| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
|---|
| 01/18/1989 | EP0299418A1 Process for drying sulfur dioxide |
| 01/17/1989 | US4798716 Sulfur recovery plant and process using oxygen |
| 01/10/1989 | US4797268 Sulfur recovery process using metal oxide absorbent with regenerator recycle to Claus catalytic reactor |
| 01/04/1989 | EP0297275A1 Process for producing titaniumdioxide |
| 01/03/1989 | US4795625 From barites or barium sulfate, calcium carbide reducing agent |
| 01/03/1989 | US4795620 Oxidation, purification, desulfurization |
| 01/03/1989 | CA1247808A1 Sodium hydrosulfite slurries |
| 12/29/1988 | WO1988010334A1 Process for bleaching of materials with a dithionite solution |
| 12/21/1988 | EP0295269A1 Layered metal oxides containing interlayer oxides and their synthesis. |
| 12/21/1988 | CN88103321A Sulfur dissolving composition |
| 12/21/1988 | CN87101145A New process for direct extracting sulfur element from desulfurization of sulfide mineral |
| 12/20/1988 | CA1246834A1 Recovery of sulfur from sulfur froth |
| 12/15/1988 | DE3718016A1 Process for mechanical-chemical-thermal desulphurisation of bituminous coal |
| 12/14/1988 | EP0295173A1 Apparatus for regulating the operation a chemical treatment plant, for improving the efficiency by variance attenuation of setting parameters |
| 12/13/1988 | CA1246527A1 Mixed solvent system for treating acidic gas |
| 12/13/1988 | CA1246320A1 Process for the treatment of the iron (ii) sulfate - containing dilute sulfuric acid solution obtained as the hydrolysis filtrate from the hydrolysis of titanyl sulfate solutions in the preparation of titanium dioxide |
| 12/08/1988 | DE3717784A1 Process for producing sulphur trioxide from oleum, apparatus for carrying out this process and use of the sulphur trioxide produced |
| 12/07/1988 | EP0293710A2 Process for concentrating sulphuric acid |
| 12/07/1988 | EP0293688A2 Method and system for removal of sulfur compounds from gases and for regenerating spent sorbents |
| 12/07/1988 | CN87106504A Absorption of sulfur dioxide by polar non-protonic solvent |
| 12/06/1988 | CA1245831A1 Process for desulphurizing flue gases |
| 12/01/1988 | WO1988009206A1 Means for preparing a solution of a gaseous solute in a liquid solvent |
| 11/30/1988 | EP0293186A2 Microporous membrane trickle bed process |
| 11/29/1988 | US4788047 Process for causing the gaseous sulfur compounds of flue gases to react to form solid compounds which can be separated from the flue gases |
| 11/29/1988 | US4788044 Method for recovering vanadium from residues from the combustion of petroleum fractions |
| 11/29/1988 | US4788041 Apparatus for the production of sodium hydrosulfite |
| 11/23/1988 | EP0291846A1 Process for preparing high-concentration, pumpable hydrosulfite pastes without sediments |
| 11/22/1988 | CA1245179A1 H.sub.2s removal with oxidizing polyvalent metal chelate and electrolytic regeneration thereof |
| 11/16/1988 | CN87100872A Packing technology for sodium sulfide |
| 11/15/1988 | US4784838 Reduction of hydrogen sulfide to sulfur, regeneration |
| 11/15/1988 | US4784754 Sulfur removal process |
| 11/15/1988 | CA1244630A1 Process for removal of h.sub.2s from geothermal steam and the conversion to soluble sulfur compounds |
| 11/15/1988 | CA1244626A1 Method for producing metal sulfide and the product produced therefrom |
| 11/10/1988 | DE3730950A1 Verfahren zum abscheiden von verunreinigungen, insbesondere chrom, aus eingedampfter, metallverunreinigungen enthaltender abfallschwefelsaeure Method for depositing of impurities, especially chrome, turned from deposited metal-containing impurities abfallschwefelsaeure |
| 11/09/1988 | EP0290286A2 Method for recovering sulfur from H2S-containing gas streams |
| 11/09/1988 | EP0289951A2 Sulfur dissolving composition |
| 11/09/1988 | EP0289950A2 Polyalkyleneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur |
| 11/08/1988 | US4783327 Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones |
| 11/08/1988 | CA1244229A1 Removal of hydrogen sulphide from gaseous streams |
| 11/08/1988 | CA1244228A1 Process and apparatus for the concentration and purification of sulfuric acid which contains organic impurities |
| 11/03/1988 | WO1988008405A1 Process for precipitating chromium and/or vanadium from sulphuric acid waste |
| 11/03/1988 | DE3713219A1 Verfahren zur herstellung von schwefelsaeure und anlage zur durchfuehrung des verfahrens Process for the production of sulfuric acid and system for implementing the method |
| 11/02/1988 | EP0288638A1 Method for flocculating suspensions containing swelled layered chalcogenide |
| 11/02/1988 | EP0207957B1 Process for removing cos and cs 2 compounds contained in an industrial gas |
| 11/01/1988 | US4781910 Hydrogen sulfide removal and sulfur recovery |
| 11/01/1988 | US4781909 Process for removing boron from sulfuric acid |
| 11/01/1988 | US4781902 Ammonia, reduction, oxidation, vanadium pentoxide and vanadium-alkali metal catalysts, sulfuric acid |
| 11/01/1988 | US4781731 Synthesis gas |
| 10/27/1988 | DE3713220A1 Verfahren zur ingangsetzung einer schwefelsaeureanlage Procedure for starting up a schwefelsaeureanlage |
| 10/26/1988 | EP0287608A1 Dual combustion oxygen-enriched claus sulfur plant. |
| 10/25/1988 | US4780305 Dual combustion oxygen-enriched claus sulfur plant |
| 10/25/1988 | CA1243623A1 Hydrocarbon desulfurization process |
| 10/25/1988 | CA1243470A1 Process for the production of elemental sulphur |
| 10/18/1988 | CA1243189A1 Conversion of hydrogen sulfide to sulfur and hydrogen |
| 10/11/1988 | US4777028 Process for freeing mineral acids from heavy metals |
| 10/06/1988 | DE3709048A1 Process and apparatus for the catalytic conversion of H2S and SO2 into elemental sulphur |
| 10/06/1988 | DE3709031A1 Process and reactor for the catalytic conversion of H2S and SO2 into elemental sulphur |
| 10/06/1988 | DE3708957A1 Reactor for the catalytic conversion of H2S and SO2 present in a gas stream into elemental sulphur |
| 10/05/1988 | EP0285515A1 Process for the preparation of uranium tetrafluoride and sulfur fluorides by reduction of uranium hexafluoride. |
| 10/05/1988 | EP0285339A1 Metal oxide and metal sulfide particles and production thereof |
| 10/04/1988 | US4775724 Bloom resistance |
| 09/28/1988 | EP0283793A1 Process and reactor for the catalytic conversion of hydrogen sulfide with sulfurdioxide to elemental sulfur |
| 09/27/1988 | US4774066 Pollution control, removal of hydrogen sulfide, ammonia and carbon dioxide |
| 09/27/1988 | US4774064 Conversion of calcium compounds into solid and gaseous compounds |
| 09/27/1988 | US4774021 Partial oxidation of sulfur-containing solid carbonaceous fuel |
| 09/27/1988 | US4773921 Desulfurization, regeneration |
| 09/27/1988 | CA1242306A1 Acid recovery in chlorine dioxide generation |
| 09/22/1988 | WO1988007023A1 A method for the catalytic oxidation in aqueous medium of sulphite and/or bisulphite to sulphate |
| 09/21/1988 | EP0283357A1 Process and installation for the treatment of waste gases containing sulphur dioxide with oxygen |
| 09/21/1988 | CN87101795A Process for the removal of hydrogen sulfide from fluid streams using a composition of a water-soluble polymeric chelates and polyvalent metals in a state of oxidation, and the composition |
| 09/20/1988 | US4772757 Process for the production of nitrobenzene |
| 09/20/1988 | US4772366 Removing h2s from fuels at ambient temperature: using a porous electrolytic cell and alkali metal polysulfide solution; forming elemental sulfur |
| 09/20/1988 | CA1242057A1 Process for preparing sulphur granules |
| 09/14/1988 | EP0282291A2 Process for producing ultrafine particles of metals, metal compounds and ceramics and apparatus used therefor |
| 09/14/1988 | EP0281993A1 Alkaline earth metal spinel/kaolin clays and processes for making and using same |
| 09/13/1988 | US4770864 Ammonia, sulfur dioxide to produce nitrogen, sulfur and water, titanium dioxide catalyst |
| 09/13/1988 | US4770674 Gas conditioning for an electrostatic precipitator |
| 09/07/1988 | WO1988006483A1 Process for treating gaseous wastes containing sulphur dioxide with oxygen and equipment for its implementation |
| 09/07/1988 | EP0280750A1 Method and apparatus for treating H2S containing gases |
| 09/06/1988 | US4769229 Sulfur recovery process using metal oxide absorber feed for regeneration |
| 09/06/1988 | US4769228 Method of reducing sulfur deposition in hydrogen sulfide equipment |
| 09/06/1988 | CA1241534A1 Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions |
| 08/31/1988 | EP0280331A2 Process for recovering sulfur from acid gas |
| 08/31/1988 | EP0280027A1 Pauling boiler and process for concentrating sulphuric acid |
| 08/31/1988 | EP0279853A1 Process for recovery of hydrogen and abstraction of sulfur |
| 08/31/1988 | CN87108000A Preparation of n-substituted piperazinones |
| 08/24/1988 | EP0279085A2 H2S removal from gas streams |
| 08/24/1988 | EP0279060A2 Apparatus for the catalysis of sulphur dioxide into sulphur trioxide |
| 08/23/1988 | US4766104 Process for producing a V2 O5 -and-alkali-metal-sulfate-containing catalyst for oxidizing SO2 to SO3 |
| 08/23/1988 | US4765969 Reacting with ammonium hydroxide to form ammonium sulfide, heating to form hydrogen sulfide and sulfur, recycling hydrogen sulfide |
| 08/23/1988 | US4765873 Continuous process for the removal of hydrogen sulfide from a gaseous stream |
| 08/18/1988 | DE3703286A1 Process for desulphurising COS- and H2S-containing fuel gases in solvents |
| 08/17/1988 | EP0278539A1 Conditioning method for flue gases containing dust |
| 08/16/1988 | US4764354 Alkanolamine gas treating process for a feedstream containing hydrogen sulfide |
| 08/16/1988 | US4764192 Sulfur condenser and degasser unit |
| 08/03/1988 | EP0276883A1 Process for the simultaneous denitration and desulfurization of an oxygen-containing exhaust gas |
| 07/26/1988 | US4759826 Vaporizing mixture in a reboiler with sulfur to reduce sulfur dichloride, contacting with activated carbon to reduce sulfuryl chloride, withdrawing distilled vapors |
| 07/25/1988 | EP0271575A4 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis. |
| 07/21/1988 | EP0295269A4 Layered metal oxides containing interlayer oxides and their synthesis. |
| 07/21/1988 | EP0272306A4 Oligomerization of olefins. |