Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
11/1976
11/02/1976US3989809 From ammonium sulfates and sulfites
11/02/1976US3989798 Vanadium oxide
11/02/1976US3989464 Alkaline hydroxide scrubbing
10/1976
10/26/1976US3988428 Sulfur-producing process and system for producing sulfur dioxide
10/26/1976US3988417 With dichlorodisulfide or dichloroethane
10/26/1976US3988129 Process for removing sulfur dioxide from gas streams
10/19/1976US3987154 Process for removal of hydrogen sulphide and ammonia from gaseous streams
10/19/1976US3987153 Multistage catalytic oxidationsulfur dioxide
10/19/1976US3987152 From antimony pentafluoride and hydrogen fluoride with hydrogen sulfide
10/19/1976US3987147 Process to desulfurize gas and recover sulfur
10/12/1976US3985864 Control system for sulfur process
10/12/1976US3985861 Process for removing sulfur compounds from claus off-gases
10/12/1976US3985674 Bleach
10/12/1976US3985529 Method for the production of liquid sulphur dioxide
10/05/1976US3984312 Process for insolubilizing potentially water pollutable wastes from sodium or ammonium type sulfur dioxide air pollution control systems
10/05/1976US3984296 Photochemical
09/1976
09/28/1976US3983225 Recovery of sulfur from sulfur dioxide rich aqueous absorbents
09/28/1976US3983218 Method for dry removal of sulfur dioxide from furnace flue, coal and other gases
09/21/1976US3981972 Method for desulfurizing flue gas by active carbon suspension
09/21/1976US3981962 Decomposition leach of sulfide ores with chlorine and oxygen
09/21/1976US3981815 Process for utilizing collected material removed from effluent gas
09/14/1976US3980760 Recovery of sulfur dioxide from gas mixtures
09/14/1976US3980759 Recovery of sulfur dioxide from gas mixtures
09/14/1976US3980454 Removal of sulfur dioxide
09/07/1976US3979316 Binders, anionic or nonionic surfactants
08/1976
08/31/1976US3978200 Process for reduction of sulfur dioxide to sulfur
08/31/1976US3978004 Catalysts for the treatment of gases containing various derivatives of sulphur
08/24/1976US3976760 Continuously producing and recovering metallic chlorides
08/24/1976US3976757 Vapor phase reaction of fluorine
08/24/1976US3976751 Stabilization of liquid sulfur trioxide
08/17/1976US3975508 Method of prevention and removal of sulfur deposits from H2 S absorption equipment
08/10/1976US3974265 Chlorine pentafluoride complexes
08/10/1976US3974257 Process for removing sulfur dioxide contained in a gas
08/10/1976US3974253 Leaching of copper ores to recover sulfur and silver catalyst
08/03/1976US3972989 Reducing the consumption of anthraquinone disulfonate in Stretford solutions
08/03/1976US3972988 Sulfur production
08/03/1976US3972987 Process for regenerating sulfuric acid
07/1976
07/27/1976US3971844 Method for removing sodium sulfate from aqueous solutions
07/20/1976US3970744 Process for the production of sulfur from sulfur dioxide extracted from gas streams
07/20/1976US3970743 Process for the production of sulfur from mixtures of hydrogen sulfide and fixed nitrogen compounds
07/20/1976US3970511 Process and installation for concentrating dilute solutions of corrosive products
07/20/1976US3970468 Road paving
07/13/1976US3969492 Recovery of elemental sulfur from sulfur dioxide bearing waste gases
07/13/1976US3969274 Silica xerogel support
07/13/1976US3969081 Two-phase contact reactor
07/06/1976US3968155 Multistage
06/1976
06/29/1976US3966891 Process for manufacturing sulfur from a solution of sodium sulfite
06/29/1976US3966880 Method for producing alkali metal gold sulfite
06/29/1976US3966878 Method for removing pollutants from a gaseous mixture
06/29/1976US3966876 Gas purification
06/29/1976US3966640 Supported cobalt sulfate desulfurization catalyst
06/29/1976US3966633 Waste water processing
06/29/1976US3966418 Gas treatment apparatus
06/22/1976US3965239 Recovery of nitric acid soluble transition metals from sulfur and iron containing ores of the same
06/22/1976US3965067 Method for plasticizing sulfur
06/15/1976USRE28864 Oxidation of hydrogen sulfide
06/15/1976US3963443 Acid gas burner and sulfur recovery system
06/15/1976US3963423 Catalytic reactor having annular catalyst tray means
06/08/1976US3962410 Process for purifying industrial gases containing hydrogen sulfide with sulfur production
06/08/1976US3962409 Molybdenum and ruthenium sulfides
06/08/1976US3962405 Process for the removal of sulfur oxides from waste gases
06/08/1976US3961941 Method of producing metallic lead and silver from their sulfides
06/01/1976US3961035 Process for preparing hydrogen sulfide
06/01/1976US3961034 Ion exchanging
06/01/1976US3961031 Method for removal of mercury in sulfur dioxide-containing gas
06/01/1976US3960687 Electrostatically enhanced removal of sulfur dioxide from gaseous carriers
06/01/1976US3960682 Method of processing waste gases containing sulphurous-acid anhydride
06/01/1976US3960585 Reducing H2 S-emission from hot cast sulfur-asphalt mixtures
06/01/1976US3960529 Apparatus for removing sulfur oxide from exhaust gases
05/1976
05/25/1976USRE28830 Method for reducing sulfur compounds in sulfur plant effluent
05/25/1976US3959452 Process for removing hydrogen sulfide from contaminated gas
05/25/1976US3959451 Recovery of sulfur dioxide from gas mixtures
05/18/1976US3957960 Method for recovering sulfur from ammonia-containing acid gas streams
05/18/1976US3957959 Process for producing fluosulfonic acid
05/18/1976US3957953 Treating gas with catalytic dust in panel bed
05/18/1976US3957952 Regenerable, calcining, copper
05/18/1976US3957951 Process for removing contaminants from hot waste gas streams
05/18/1976US3957484 Fluid bed roasting of metal sulphides at high temperatures
05/18/1976US3957253 Apparatus for aqueous solutions of pure sodium hydrosulfite
05/11/1976US3956473 Process for oxidizing hydrogen sulfide to sulfur by means of molecular oxygen in the presence of transition metal complexes as catalysts
05/11/1976US3956470 Chlorination of thionyl tetrafluoride, polymerization catalysts
05/11/1976US3956373 Debromination, oxygen
05/11/1976US3956112 Of solute from immiscible liquid
05/04/1976US3954955 Process for working up the wash solution obtained in the washing of SO2 -containing off-gases
05/04/1976US3954938 Lead sulfide, lead melts, sulfur
05/04/1976US3954451 Method for the manufacture of mercury free sulfuric acid
04/1976
04/27/1976US3953587 Zeolite catalyst for dilute acid gas treatment via claus reaction
04/27/1976US3953586 Precipitation of sulfur, sulfur dioxide
04/27/1976US3953578 Method for purification of industrial flue gases
04/27/1976US3953577 Process for purifying gases containing HCN
04/27/1976US3953345 Method for the production of activated carbon spheres containing nitrogen
04/13/1976US3950503 Calcination-desulfurization of green coke with concurrent sulfur production
04/13/1976US3950502 Sulfur dioxide, ammonia
04/13/1976US3950498 From hydrogen fluoride and sulfur tetrachloride or sulfur dichloride
04/13/1976US3950493 Process for absorbing SO3
04/13/1976US3949565 Liquified gas evaporator
04/06/1976US3948809 Aluminum oxide used for treating sulfur-containing oxides
04/06/1976US3948774 Water purification process and apparatus
04/06/1976US3948624 Removal of sulfur compounds from gas streams
03/1976
03/30/1976US3947561 Aluminum