Patents Assigned to Lurgi PSI, Ltd.
  • Methods and apparatus for recovering zein from corn
    Patent number: 6610831
    Abstract: Methods and apparatus for recovering zein from substrates are disclosed. The method includes extracting a zein-containing substrate such as whole corn with ethanol to yield a crude zein alcoholic dispersion and treating this dispersion with an adsorbent to remove at least one of starch, color or oil to yield a purified zein which is subsequently recovered or used in industrial applications. A preferred adsorbent is activated charcoal.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: August 26, 2003
    Assignee: Lurgi PSI, Ltd.
    Inventors: Jerel McInnis, Qingnong Tang