Patents Represented by Attorney Janet E. Price

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  • Starch hydrolysis at high dry substance
    Patent number: 4235965
    Abstract: Aqueous slurries of liquefied and at least partially solubilized starch of high solids concentration (substantially greater than 40%, by weight) are prepared directly by adding gradually, to an aqueous starch hydrolysate having not greater than 40% solids, granular starch in the presence of a bacterial .alpha.-amylase, under non-gelatinizing conditions, while gradually raising the temperature to not above 90.degree. C. As a final step, the temperature can be brought to 90.degree. C. or higher to liquefy any remaining starch.
    Type: Grant
    Filed: October 16, 1978
    Date of Patent: November 25, 1980
    Assignee: CPC International Inc.
    Inventor: Raoul G. P. Walon
  • Process of refining enzymatically produced levulose syrups
    Patent number: 4040861
    Abstract: Refining process for removing impurities from enzymatically produced levulose syrups comprises treating the syrups with a strong acid cation exchange resin, a weak base anion exchange resin, and sulfonated coal which has decolorizing ability. The process yields syrups of exceptional purity and stability.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: August 9, 1977
    Assignee: CPC International Inc.
    Inventor: Raoul G. P. Walon