Stabilization of soluble manganese in aqueous systems
Patent 4883600 Issued on November 28, 1989. Estimated Expiration Date: 
October 12, 2008. 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.
October 12, 2008. 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 References 2106513 3170883 Inhibition of scale deposition in high temperature wells Stabilization of soluble manganese and its reaction products Method for prevention of phosphonate decomposition by chlorine Use of sulfamic acid to inhibit phosphonate decomposition by chlorine-bromine mixtures Solution and method for dissolving minerals Patent #: 4802990 InventorsAssigneeApplicationNo. 256541 filed on 10/12/1988US Classes:210/696, Preventing, decreasing, or delaying precipitation, coagulation or flocculation210/698, Utilizing organic agent210/754, Chlorine or bromine containing210/764, Destroying microorganisms252/175, WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS252/180Plant or organic material containingExaminersPrimary: Hruskoci, Peter A.Attorney, Agent or FirmInternational ClassC02F 005/12AbstractThe soluble manganese species can be maintained in aqueous systems in the presence of halogen species by treating the waters with certain water-soluble, nitrogen containing compositions.Field of SearchUtilizing organic agentPhosphorus containing Nitrogen containing Acrylic polymer Chlorine or bromine containing Destroying microorganisms Preventing, decreasing, or delaying precipitation, coagulation or flocculation Plant or organic material containing With inorganic matter other than alkali-metal hydroxides and carbonates and water WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS | |
