Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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07/21/1988 | EP0271563A4 Layered silicates and their synthesis. |
07/21/1988 | EP0270659A4 Layered metal oxides containing interlayer oxides and their synthesis. |
07/19/1988 | US4758416 Removal of H2 S from gas streams |
07/13/1988 | EP0274161A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids |
07/13/1988 | CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
07/13/1988 | CN87108374A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
07/13/1988 | CN87108107A Apparatus for removing sulfur from organic polysulfides ir 2850 |
07/12/1988 | US4756900 Introducing effluent from first and second streams into condensation zones for removal of sulfur, introducing into Claus reaction furnace zone |
07/12/1988 | US4756893 Continuous catalytic desulfurization of gases containing sulfur oxide to produce steam |
07/12/1988 | US4756890 Reduction of NOx in flue gas |
07/06/1988 | EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids |
07/05/1988 | US4755372 Catalytic sulfur degassing |
06/29/1988 | EP0272984A2 Conversion of calcium compounds into solid and gaseous compounds |
06/29/1988 | EP0272979A1 Process for the treatment of industrial gasescontaining sulfur compounds |
06/29/1988 | EP0272622A2 Continuous process for the preparation of solutions from low viscous solvents and high viscous pasty products |
06/29/1988 | EP0272306A1 Oligomerization of olefins. |
06/22/1988 | EP0272060A2 Hydrometallurgical recovery of metals and elemental sulphur from metallic sulphides |
06/22/1988 | EP0271654A2 Process for the simultaneous production of elemental sulphur from H2S contained gas and S02 contained gas |
06/22/1988 | EP0271575A1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis. |
06/22/1988 | EP0271563A1 Layered silicates and their synthesis. |
06/22/1988 | CN87107380A Desulfurization of gypsum |
06/15/1988 | EP0271203A1 Method of stabilizing solutions of chelated polyvalent metals |
06/15/1988 | EP0270669A1 Preparation of high surface area amorphous transition metal chalcogenides and batteries using said chalcogenides as cathodes |
06/15/1988 | EP0270659A1 Layered metal oxides containing interlayer oxides and their synthesis. |
06/09/1988 | DE3641101A1 Process and apparatus for the recovery of sulphur |
06/08/1988 | EP0270223A1 Process for conversion or reduction of sulfur dioxide to elemental sulfur |
06/07/1988 | US4749555 Solvent stream of water, bridgehead bicyclo tertiary amine or bicyclo amidine and tertiary amine |
06/07/1988 | CA1237573A1 Combined sulphur burning furnace and boiler |
06/07/1988 | CA1237572A1 Generation of sulphur trioxide from oleum using microwave energy |
05/31/1988 | US4748141 Metal sulfide catalyst preparation |
05/31/1988 | US4747970 For treating sulfur trioxide process gases and air with sulfuric acid |
05/25/1988 | EP0268224A2 Process for the isolation of paraffin sulfonates poor in alkalisulfates and sulfuric acid from paraffin sulfoxidation-reaction mixtures without the necessary production of sodium sulfate |
05/24/1988 | CA1236963A1 Removal of sulfur compounds from gases |
05/24/1988 | CA1236962A1 Settling of sulfur in sulfide removal process |
05/19/1988 | DE3638491A1 Process for controlling the combustion process of H2S-containing gases |
05/18/1988 | EP0267471A1 Apparatus for removing sulfur from organic polysulfides |
05/18/1988 | CN86101332B Process for separation of cerium and rare earths |
05/17/1988 | CA1236682A1 Process for the removal of hydrogen cyanide |
05/11/1988 | EP0267031A1 Desulfurization of gypsum |
05/11/1988 | EP0266417A1 REDUCTION OF NO x? IN FLUE GAS. |
05/04/1988 | CN86107266A Technological process and equipment for manufacturing sulfuric acid by chlorine method from waste gas of sulfur dioxide |
05/04/1988 | CN85107664B Method of recovering chemicals from spent pulp liquors |
05/03/1988 | US4741888 H2 S removal from gas streams |
04/27/1988 | EP0264580A1 Process and device for desulfurisation of flue gas |
04/21/1988 | WO1988002736A1 Method of obtaining elemental sulphur |
04/20/1988 | EP0264176A1 Continuous recovery of sulfur from flue gas |
04/19/1988 | US4738835 Gasification, rapid cooling by contact with recirculated solid particles separated from gas |
04/12/1988 | US4737542 Vulcanizing composition |
04/12/1988 | CA1234963A1 Process of removing hydrogen sulfide from exhaust gas and for producing sulfur by the claus process |
04/07/1988 | WO1988002350A1 Dual combustion oxygen-enriched claus sulfur plant |
04/06/1988 | EP0262564A2 Process for the preparation of sulphur dioxide |
04/06/1988 | EP0262510A2 Process for concentrating sulphuric acid |
04/05/1988 | US4735788 Treatment with titanium oxide catalyst in high temperature reaction zone |
04/05/1988 | CA1234745A1 Vaporizing liquid sulphur dioxide by microwave radiation |
03/30/1988 | EP0261116A1 Method of recovering alkaline chemicals from flue gases containing alkaline metal vapor. |
03/29/1988 | US4734272 Removing fluorine, use sulfur values to make sulfuric acid |
03/24/1988 | WO1988001989A1 Process for manufacturing a calcium sulphate-containing solid secondary raw material |
03/24/1988 | DE3631251A1 Process for scrubbing hydrogen sulphide and ammonia out of gases |
03/23/1988 | EP0260798A2 Improved sulfur recovery process using metal oxide absorbent |
03/23/1988 | CN87105159A Oligomerization of olefins |
03/23/1988 | CN86102133B Process for dissolution of sulphur and dissolvent therefor |
03/16/1988 | CN87106400A Two stage selfpriming injection tank for generation |
03/15/1988 | US4730369 Method and apparatus for melting and recovering sulfur in aqueous slurries |
03/10/1988 | WO1988001535A1 Process for recovery of hydrogen and abstraction of sulfur |
03/10/1988 | DE3621702A1 Process for regenerating an aluminium oxide catalyst loaded with nitric acid and sulphuric acid |
03/09/1988 | EP0258744A2 Method for the purification and reheating of exhaust gases |
03/09/1988 | EP0258743A2 Method for the purification of exhaust gases |
03/09/1988 | CN87105160A Layered metal oxides containing interlayer oxides and their synthesis |
03/09/1988 | CN87105158A Layered metal chalcogenides containing interspathic polymeric chalcogenides |
03/09/1988 | CN87103687A A catalyst for the selective oxidation of sulfur containing compounds in particular hydrogen sulfide to elemental sulfur, anppppppprocess |
03/08/1988 | US4729888 Oxidizing acid lixiviation, solvent extraction |
03/08/1988 | US4729887 Process and apparatus for degassing sulfur |
03/08/1988 | US4729886 Gelation inhibition |
03/02/1988 | EP0257158A1 Processing method for gas containing a compound of sulphur and hydrocarbon material |
03/02/1988 | EP0257124A1 Hydrogen sulfide removal |
03/01/1988 | US4728682 Silfiding homogeneous mixture of nitrates |
03/01/1988 | US4728447 Process and product for dissolving sulfur |
03/01/1988 | US4728439 Ion exchange |
03/01/1988 | CA1233313A1 Sulphur trioxide absorption apparatus and process |
03/01/1988 | CA1233312A1 Method and apparatus for making sulphuric acid |
02/25/1988 | DE3628358A1 Process for recovery of elemental sulphur |
02/24/1988 | EP0256840A2 Process for separation of acids and corresponding acid metal salts |
02/24/1988 | EP0256741A2 Sulphur recovery process using metal oxide absorbent with reducing gas purge |
02/24/1988 | CN87105161A Layered metal oxides containing interlayer oxides and their synthesis |
02/23/1988 | US4726937 Heating, volatization, separation, then acidification |
02/17/1988 | CN87105162A Layered silicates and their synthesis |
02/16/1988 | US4725417 Magnesium oxide with noble metals or their compounds; oxidation |
02/09/1988 | CA1232429A1 Process for the oxidation of hydrogen sulphide to elemental sulphur and/or sulphur dioxide |
02/02/1988 | USH429 Low temperature synthesis of metal sulfides |
02/02/1988 | US4722832 Sulfur recovery process |
01/28/1988 | WO1988000571A1 Catalytic removal of hydrogen sulphides from liquid sulphur |
01/28/1988 | WO1988000570A1 Catalytic removal of hydrogen sulphide from liquid sulphur |
01/27/1988 | EP0254402A1 Improved gas/solid contact method for removing sulfur oxides from gases |
01/27/1988 | EP0254362A1 Process for the purification of flue gases |
01/27/1988 | EP0254330A1 Process for the production of cement clinker and waste gases containing sulphur dioxide |
01/26/1988 | CA1231968A1 Process for isolating paraffinsulfonates and sulfuric acid of low alkali metal sulfate content from paraffinsulfoxidation reaction mixtures |
01/26/1988 | CA1231826A1 Process for producing sodium polysulphides from the elements sodium and sulphur |
01/20/1988 | EP0253137A2 Process for the oxydation of hydrogen sulfide contained in Phosphoric acid |
01/19/1988 | US4720373 Solids refining apparatus |
01/14/1988 | WO1988000176A1 Oligomerization of olefins |