Process for decolorizing aqueous sugar solution
Patent 4871397 Issued on October 3, 1989. Estimated Expiration Date: 
May 9, 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.
May 9, 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 2631999 2785998 3417066 3637535 Method of decolorizing sugar solutions with hybrid ion exchange resins Polyamine-crosslinked anion exchange resin Polyamine-crosslinked anion exchange resin Vinylbenzyl alcohol polymer beads and thermally crosslinked derivatives thereof Patent #: 4427793 InventorApplicationNo. 07/192749 filed on 05/09/1988US Classes:127/55, Filtering or sorption127/46.2, Involving ion manipulation, e.g., ion exchange, etc.127/46.3, For ion exclusion502/402Synthetic resinExaminersPrimary: Sneed, Helen M. S.Assistant: Pak, Chung K. International ClassesC13D 3/14 (20060101)C13D 3/00 (20060101) B01J 41/14 (20060101) B01J 41/00 (20060101) AbstractImproved process for decolorizing aqueous sugar solutions by contacting solution with an adsorbent anion exchange resin prepared by aminating a macroporous, chloromethylated copolymer with a polyamine under conditions sufficient to promote crosslinking of unreacted amine sites with chloromethyl groups on the copolymer.Other References
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