Composition for treatment of water and reconditioning of soils
Patent 6419836 Issued on July 16, 2002. Estimated Expiration Date: 
August 30, 2016. 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.
August 30, 2016. 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 3450633 3918526 Compositions for treating domestic and industrial liquid wastes Waste water treatment Treatment of domestic and industrial waste waters Treatment of water Carbonate built laundry detergent composition containing a strontium salt Patent #: 5431838 InventorAssigneeApplicationNo. 666534 filed on 08/30/1996US Classes:210/749, Chemical treatment210/716, Including step of manufacturing inorganic treating agent210/724, Regulating pH210/726, Sequential introduction210/754, Chlorine or bromine containing252/175, WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS252/181, With inorganic matter other than alkali-metal hydroxides and carbonates and water405/263ChemicalExaminersPrimary: Woo, Jay H.Assistant: Morrison, Betsey J. Attorney, Agent or FirmForeign Patent References
International ClassC02F 001/52Foreign Application Priority Data1993-12-30 DEAbstractA composition for treatment of water and soils comprises componentsA. CaCO3,B. at least one compound selected from the group consisting of calcium salts, including CaCl2 and Ca(NO3)2, and inorganic magnesium compounds,C. at least one compound selected from the group consisting of NaHCO3 and KHCO3,wherein the components A and B are present in a molar ratio of from 0.1:1 to 1:1, and wherein the components B and C are present in a molar ratio of from 1:3 to 1:1.Field of SearchMaking an insoluble substance or accreting suspended constituentsIncluding step of manufacturing inorganic treating agent Utilizing precipitant, flocculant, or coagulant, each with accelerator or with each other or plural precipitants, flocculants, or coagulants Regulating pH Sequential introduction Chemical treatment Plural spaced feedings Chlorine or bromine containing WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS With inorganic matter other than alkali-metal hydroxides and carbonates and water Chemical | |
