Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
07/1988
07/21/1988EP0271563A4 Layered silicates and their synthesis.
07/21/1988EP0270659A4 Layered metal oxides containing interlayer oxides and their synthesis.
07/19/1988US4758416 Removal of H2 S from gas streams
07/13/1988EP0274161A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
07/13/1988CN87108388A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/13/1988CN87108374A Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids
07/13/1988CN87108107A Apparatus for removing sulfur from organic polysulfides ir 2850
07/12/1988US4756900 Introducing effluent from first and second streams into condensation zones for removal of sulfur, introducing into Claus reaction furnace zone
07/12/1988US4756893 Continuous catalytic desulfurization of gases containing sulfur oxide to produce steam
07/12/1988US4756890 Reduction of NOx in flue gas
07/06/1988EP0273523A1 Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffinsulphonic acids
07/05/1988US4755372 Catalytic sulfur degassing
06/1988
06/29/1988EP0272984A2 Conversion of calcium compounds into solid and gaseous compounds
06/29/1988EP0272979A1 Process for the treatment of industrial gasescontaining sulfur compounds
06/29/1988EP0272622A2 Continuous process for the preparation of solutions from low viscous solvents and high viscous pasty products
06/29/1988EP0272306A1 Oligomerization of olefins.
06/22/1988EP0272060A2 Hydrometallurgical recovery of metals and elemental sulphur from metallic sulphides
06/22/1988EP0271654A2 Process for the simultaneous production of elemental sulphur from H2S contained gas and S02 contained gas
06/22/1988EP0271575A1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis.
06/22/1988EP0271563A1 Layered silicates and their synthesis.
06/22/1988CN87107380A Desulfurization of gypsum
06/15/1988EP0271203A1 Method of stabilizing solutions of chelated polyvalent metals
06/15/1988EP0270669A1 Preparation of high surface area amorphous transition metal chalcogenides and batteries using said chalcogenides as cathodes
06/15/1988EP0270659A1 Layered metal oxides containing interlayer oxides and their synthesis.
06/09/1988DE3641101A1 Process and apparatus for the recovery of sulphur
06/08/1988EP0270223A1 Process for conversion or reduction of sulfur dioxide to elemental sulfur
06/07/1988US4749555 Solvent stream of water, bridgehead bicyclo tertiary amine or bicyclo amidine and tertiary amine
06/07/1988CA1237573A1 Combined sulphur burning furnace and boiler
06/07/1988CA1237572A1 Generation of sulphur trioxide from oleum using microwave energy
05/1988
05/31/1988US4748141 Metal sulfide catalyst preparation
05/31/1988US4747970 For treating sulfur trioxide process gases and air with sulfuric acid
05/25/1988EP0268224A2 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
05/24/1988CA1236963A1 Removal of sulfur compounds from gases
05/24/1988CA1236962A1 Settling of sulfur in sulfide removal process
05/19/1988DE3638491A1 Process for controlling the combustion process of H2S-containing gases
05/18/1988EP0267471A1 Apparatus for removing sulfur from organic polysulfides
05/18/1988CN86101332B Process for separation of cerium and rare earths
05/17/1988CA1236682A1 Process for the removal of hydrogen cyanide
05/11/1988EP0267031A1 Desulfurization of gypsum
05/11/1988EP0266417A1 REDUCTION OF NO x? IN FLUE GAS.
05/04/1988CN86107266A Technological process and equipment for manufacturing sulfuric acid by chlorine method from waste gas of sulfur dioxide
05/04/1988CN85107664B Method of recovering chemicals from spent pulp liquors
05/03/1988US4741888 H2 S removal from gas streams
04/1988
04/27/1988EP0264580A1 Process and device for desulfurisation of flue gas
04/21/1988WO1988002736A1 Method of obtaining elemental sulphur
04/20/1988EP0264176A1 Continuous recovery of sulfur from flue gas
04/19/1988US4738835 Gasification, rapid cooling by contact with recirculated solid particles separated from gas
04/12/1988US4737542 Vulcanizing composition
04/12/1988CA1234963A1 Process of removing hydrogen sulfide from exhaust gas and for producing sulfur by the claus process
04/07/1988WO1988002350A1 Dual combustion oxygen-enriched claus sulfur plant
04/06/1988EP0262564A2 Process for the preparation of sulphur dioxide
04/06/1988EP0262510A2 Process for concentrating sulphuric acid
04/05/1988US4735788 Treatment with titanium oxide catalyst in high temperature reaction zone
04/05/1988CA1234745A1 Vaporizing liquid sulphur dioxide by microwave radiation
03/1988
03/30/1988EP0261116A1 Method of recovering alkaline chemicals from flue gases containing alkaline metal vapor.
03/29/1988US4734272 Removing fluorine, use sulfur values to make sulfuric acid
03/24/1988WO1988001989A1 Process for manufacturing a calcium sulphate-containing solid secondary raw material
03/24/1988DE3631251A1 Process for scrubbing hydrogen sulphide and ammonia out of gases
03/23/1988EP0260798A2 Improved sulfur recovery process using metal oxide absorbent
03/23/1988CN87105159A Oligomerization of olefins
03/23/1988CN86102133B Process for dissolution of sulphur and dissolvent therefor
03/16/1988CN87106400A Two stage selfpriming injection tank for generation
03/15/1988US4730369 Method and apparatus for melting and recovering sulfur in aqueous slurries
03/10/1988WO1988001535A1 Process for recovery of hydrogen and abstraction of sulfur
03/10/1988DE3621702A1 Process for regenerating an aluminium oxide catalyst loaded with nitric acid and sulphuric acid
03/09/1988EP0258744A2 Method for the purification and reheating of exhaust gases
03/09/1988EP0258743A2 Method for the purification of exhaust gases
03/09/1988CN87105160A Layered metal oxides containing interlayer oxides and their synthesis
03/09/1988CN87105158A Layered metal chalcogenides containing interspathic polymeric chalcogenides
03/09/1988CN87103687A A catalyst for the selective oxidation of sulfur containing compounds in particular hydrogen sulfide to elemental sulfur, anppppppprocess
03/08/1988US4729888 Oxidizing acid lixiviation, solvent extraction
03/08/1988US4729887 Process and apparatus for degassing sulfur
03/08/1988US4729886 Gelation inhibition
03/02/1988EP0257158A1 Processing method for gas containing a compound of sulphur and hydrocarbon material
03/02/1988EP0257124A1 Hydrogen sulfide removal
03/01/1988US4728682 Silfiding homogeneous mixture of nitrates
03/01/1988US4728447 Process and product for dissolving sulfur
03/01/1988US4728439 Ion exchange
03/01/1988CA1233313A1 Sulphur trioxide absorption apparatus and process
03/01/1988CA1233312A1 Method and apparatus for making sulphuric acid
02/1988
02/25/1988DE3628358A1 Process for recovery of elemental sulphur
02/24/1988EP0256840A2 Process for separation of acids and corresponding acid metal salts
02/24/1988EP0256741A2 Sulphur recovery process using metal oxide absorbent with reducing gas purge
02/24/1988CN87105161A Layered metal oxides containing interlayer oxides and their synthesis
02/23/1988US4726937 Heating, volatization, separation, then acidification
02/17/1988CN87105162A Layered silicates and their synthesis
02/16/1988US4725417 Magnesium oxide with noble metals or their compounds; oxidation
02/09/1988CA1232429A1 Process for the oxidation of hydrogen sulphide to elemental sulphur and/or sulphur dioxide
02/02/1988USH429 Low temperature synthesis of metal sulfides
02/02/1988US4722832 Sulfur recovery process
01/1988
01/28/1988WO1988000571A1 Catalytic removal of hydrogen sulphides from liquid sulphur
01/28/1988WO1988000570A1 Catalytic removal of hydrogen sulphide from liquid sulphur
01/27/1988EP0254402A1 Improved gas/solid contact method for removing sulfur oxides from gases
01/27/1988EP0254362A1 Process for the purification of flue gases
01/27/1988EP0254330A1 Process for the production of cement clinker and waste gases containing sulphur dioxide
01/26/1988CA1231968A1 Process for isolating paraffinsulfonates and sulfuric acid of low alkali metal sulfate content from paraffinsulfoxidation reaction mixtures
01/26/1988CA1231826A1 Process for producing sodium polysulphides from the elements sodium and sulphur
01/20/1988EP0253137A2 Process for the oxydation of hydrogen sulfide contained in Phosphoric acid
01/19/1988US4720373 Solids refining apparatus
01/14/1988WO1988000176A1 Oligomerization of olefins