Patents by Inventor Steffen R. Johansen

Steffen R. Johansen 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).

  • Astaxanthin-producing yeast cells, methods for their preparation and their use
    Patent number: 5599711
    Abstract: An isolated pure culture of a strain of Phaffia rhodozyma which produces astaxanthin in an amount of at least 600 .mu.g per g Phaffia rhodozyma dry matter, as determined by HPLC analysis.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: February 4, 1997
    Assignee: Gist-brocades, N.V.
    Inventors: Bent Flen.o slashed., Ib Christensen, Robert Larsen, Steffen R. Johansen, Eric A. Johnson
  • Astaxanthin-producing yeast cells, methods for their preparation and their use
    Patent number: 5356810
    Abstract: An isolated pure culture of a strain of Phaffia rhodozyma which produces astaxanthin in an amount of at least 600 .mu.g per g Phaffla rhodozyma dry matter, as determined by HPLC analysis.
    Type: Grant
    Filed: July 27, 1992
    Date of Patent: October 18, 1994
    Assignee: Gist-brocades N.V.
    Inventors: Bent Fleno, Ib Christensen, Robert Larsen, Steffen R. Johansen, Eric A. Johnson