Phosphate composition
Patent 4115307 Issued on September 19, 1978. Estimated Expiration Date: 
June 13, 1997. 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.
June 13, 1997. 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 2414969 2494828 2515880 3189433 3425948 3620972 3630930 3701737 3723327 InventorAssigneeApplicationNo. 05/806197 filed on 06/13/1977US Classes:514/769, DESIGNATED INORGANIC NONACTIVE INGREDIENT OR ELEMENTAL MATERIAL OTHER THAN WATER23/313R, Agglomerating252/175, WATER-SOFTENING OR PURIFYING OR SCALE-INHIBITING AGENTS252/183.16, Contains carbonate or bicarbonate252/184, ABSORPTIVE, OR BINDIVE, AND CHEMICALLY YIELDIVE (E.G., ION EXCHANGER)424/44, Gas produced in situ by chemical reaction424/601, Phosphorus or phosphorus compound424/606, Sodium containing or fluorine containing424/715, Carbonate424/717, Bicarbonate510/534Inorganic phosphorus containing componentExaminersPrimary: Albrecht, Dennis L.Attorney, Agent or FirmInternational ClassesA61K 9/46 (20060101)C11D 11/00 (20060101) C11D 3/06 (20060101) C11D 3/10 (20060101) C11D 17/06 (20060101) C02F 5/08 (20060101) Foreign Application Priority Data1974-12-13 GBAbstractA low density, free-flowing, granular phosphate product having a high oil absorption capacity and capable of dissolving in water to provide a solution of pH about 7 to 8 is provided by mixing a hydratable alkali metal phosphate, polyphosphoric acid, and sodium carbonate and/or sodium bicarbonate and granulating the mixture with water. | |
