Method for reducing color impurities in sugar-containing syrups
Patent 4196017 Issued on April 1, 1980. Estimated Expiration Date: 
January 29, 1999. 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 29, 1999. 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 1989156 2381090 2929746 3632446 3698951 Process for decolorizing sugar solutions with peroxide Patent #: 4076552 InventorsAssigneeApplicationNo. 06/007024 filed on 01/29/1979US Classes:127/41, Inversion of sucrose127/46.1, Treatment of sacchariferous solutions127/48, Chemical precipitation of impurities127/55Filtering or sorptionExaminersPrimary: Marantz, SidneyAttorney, Agent or FirmInternational ClassesC13D 3/00 (20060101)C13D 3/08 (20060101) C13D 3/12 (20060101) AbstractA method for reducing color impurities in sugar-containing syrups. First, hydrogen peroxide is added to the syrup and mixed with it. Following that, a suitable cationic surfactant is added, ahd there is further mixing. After that, a suitable defecant is added, such as a mixture of calcium chloride and sodium carbonate, which react with each other to form calcium carbonate in the sugar solution. Activated vegetable carbon and diatomaceous earth are added and mixed. Then the solids are filtered out to obtain a purified sugar solution which may be used directly or may be inverted, as by conventional acid treatment, and then used.Other References
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