Patents by Inventor Carmen Tag

Carmen Tag 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).

  • Fermentive production of 1,3-propanediol
    Patent number: 5254467
    Abstract: A process for the transformation of glycerol into 1,3-propanediol by microorganisms comprising fermenting the microorganisms in media having a glycerol content of from about 5% to about 20% by weight under standard anaerobic fermentation conditions and recovering the 1,3-propanediol. The microorganisms according to the invention do not suffer catabolic repression by the large amount of 1,3-propanediol produced by the process.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: October 19, 1993
    Assignees: Henkel Kommanditgesellschaft auf Aktien, Gesellschaft fuer Biotechnologische Forschung mbH
    Inventors: Josef Kretschmann, Franz-Josef Carduck, Wolf-Dieter Deckwer, Carmen Tag, Hanno Biebl