Decontamination of gases by scrubbing
Patent 4892718 Issued on January 9, 1990. Estimated Expiration Date: 
January 9, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 9, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSulfide removal process Process for the removal of hydrogen sulfide from gaseous streams by catalytic oxidation of hydrogen sulfide to sulfur while inhibiting the formation of sulfur oxides SO2 removal process Process for oxidation of carbon monoxide with inorganic oxidizing agents Patent #: 4081519 InventorsApplicationNo. 885918 filed on 07/15/1986US Classes:423/235, Nitrogen or nitrogenous component423/242.3, Organic acid423/242.7, Amine423/243.01, Utilizing aqueous reactant to remove or modify sulfur or sulfur containing component423/245.2Utilizing liquid reactantExaminersPrimary: Stoll, Robert L.Assistant: Kunemund, Robert Attorney, Agent or FirmForeign Patent References
International ClassC01B 021/02Foreign Application Priority Data1985-07-15 DEAbstractCOS, CS2, mercaptan, SH2, SOX and/or NOX are removed from a host gas by scrubbing using a solution of a salt of Scandium, Yttrium, an element of the Lanthanide or Actinium groups or blends thereof in water or in organic solvent.Other References
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