Patents by Inventor Steffen Radich Johansen

Steffen Radich 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: 5972642
    Abstract: An isolated pure culture of a strain of the yeast Phaffia rhodozyma which produces large amounts of astaxanthin, in excess of about 600 micrograms per gram of Phaffia rhodozyma dry matter, as determined by HPLC analysis, is disclosed.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: October 26, 1999
    Assignee: DSM N.V.
    Inventors: Bent Flen.o slashed., Ib Christensen, Robert Larsen, Steffen Radich Johansen, Eric A. Johnson
  • Astaxanthin-producing yeast cells methods for their preparation and their use
    Patent number: 5712110
    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: June 7, 1995
    Date of Patent: January 27, 1998
    Assignee: Gist-brocades, B.V.
    Inventors: Bent Flen.o slashed., Ib Christensen, Robert Larsen, Steffen Radich Johansen, Eric A. Johnson
  • Astaxanthin-producing yeast cells, methods for their preparation and their use
    Patent number: 5709856
    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: June 7, 1995
    Date of Patent: January 20, 1998
    Assignee: Gist-brocades N.V.
    Inventors: Bent Flen.o slashed., Ib Christensen, Robert Larsen, Steffen Radich Johansen, Eric A. Johnson
  • Astaxanthin-producing yeast cells, methods for their preparation and their use
    Patent number: 5679567
    Abstract: An isolated pure culture of a strain of Phaffia rhodozyma which produces astaxanthin in an mount 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: October 21, 1997
    Assignee: Gist-brocades, B.V.
    Inventors: Bent Flen.o slashed., Ib Christensen, Robert Larsen, Steffen Radich Johansen, Eric A. Johnson