Patents by Inventor Dieter Hansen

Dieter Hansen 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).

  • Expression systems for the production of target proteins in bacillus
    Patent number: 5646044
    Abstract: This invention discloses an expression system which is useful in industrial Bacilli to produce target proteins which include, but are not limited to, alkaline proteases, amylases, cellulases, lipases or other hydrolyases which are normally excreted outside of the host cell.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: July 8, 1997
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Charles R. Wilson, Maria R. Tang, Harald Berger, Teresa M. Christianson, Dieter Hansen
  • Alkaline proteolytic enzyme and method of production
    Patent number: 5352604
    Abstract: A proteolytic enzyme for use in detergent formulations having increased pH and oxidative stability under typical laundering conditions in aqueous solutions is produced by fermenting Bacillus licheniformis host strain transformed by a multicopy plasmid comprised of DNA sequences which code for the desired proteolytic enzyme.
    Type: Grant
    Filed: March 10, 1993
    Date of Patent: October 4, 1994
    Assignee: Henkel Research Corporation
    Inventors: Charles R. Wilson, Beth F. Ladin, Jonathan R. Mielenz, Sherman S. M. Hom, Dieter Hansen, Robert B. Reynolds, Nicholas C. T. Kennedy, Joachim Schindler, Michael Bahn, Rolf Schmid, Martina Markgraf, Christian Paech, Karlheinz Maurer