Patents by Inventor Theresa D. Mackintosh

Theresa D. Mackintosh 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).

  • Ethanol production
    Patent number: 4769324
    Abstract: The invention is directed to the production of ethanol by the fermentation of molasses in the presence of the yeasts S. cerevisiae and Schwanniomyces castellii (R69), which is capable of growing and producing amylase in a molasses-containing meduim. The amylase converts starch and higher sugars in the unfermentable component of the medium to a hexose sugar which is converted to ethanol by S. cerevisiae.
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: September 6, 1988
    Assignee: Sentrachem Limited
    Inventors: Theresa D. Mackintosh, Ana P. Quintela