Patents by Inventor Horst W. Doelle

Horst W. Doelle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Conversion of sucrose to fructose and ethanol
    Patent number: 4797360
    Abstract: The conversion of sucrose to fructose and ethanol by fermentation using the microorganism "Zymomonas mobilis" and/or the enzyme immobilized levansucrase can be effected at sucrose concentrations greater than 30% where the fermentation is effected at microorganism and/or concentrations 0.01% to 0.5% (by weight) in a fermentation medium with a pH in the range of 4.0 to 7.0 and a temperature range of 35.degree. C. to 40.degree. C.
    Type: Grant
    Filed: December 2, 1986
    Date of Patent: January 10, 1989
    Assignee: The University of Queensland
    Inventor: Horst W. Doelle