Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins
Patent 4950332 Issued on August 21, 1990. Estimated Expiration Date: 
February 27, 2009. 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.
February 27, 2009. 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 2578938 3122456 Method of decolorizing sugar solutions with hybrid ion exchange resins Polymeric adsorbents from vinylbenzyl chloride copolymer beads Production of bottler's liquid sugar Polymeric adsorbents from macroreticular polymer beads Process for preparing macroreticular resins, copolymers and products of said process Patent #: 4382124 InventorsApplicationNo. 316058 filed on 02/27/1989US Classes:127/55, Filtering or sorption127/46.2, Involving ion manipulation, e.g., ion exchange, etc.127/49, Impregnated absorbent210/660, Ion exchange or selective sorption210/663, Including diverse separating or treating of liquid210/670, Including rehabilitating or regenerating exchange material or sorbent426/271, INVOLVING ION EXCHANGE, SEQUESTERING OR CHELATING MATERIAL502/402Synthetic resinExaminersPrimary: Sneed, Helen M. S.Assistant: Pak, Chung K. Foreign Patent References
International ClassesC13D 003/12C13D 003/14 AbstractA process for decolorizing an aqueous sugar solution by contacting the solution with an absorbent resin, wherein the adsorbent resin is a macroporous copolymer being post-crosslinked in a swollen state in the presence of a Friedel-Crafts catalyst and functionalized with hydrophilic groups prior to contact with the aqueous sugar solution.Field of SearchFiltering or sorptionInvolving ion manipulation, e.g., ion exchange, etc. Treatment of sacchariferous solutions For ion exclusion Impregnated absorbent Synthetic resin Including rehabilitating or regenerating exchange material or sorbent Ion exchange or selective sorption Including diverse separating or treating of liquid INVOLVING ION EXCHANGE, SEQUESTERING OR CHELATING MATERIAL |
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