Patents by Inventor Gary M. Hellmann

Gary M. Hellmann 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).

  • DNA sequences encoding enzymes useful in carotenoid biosynthesis
    Patent number: 5539093
    Abstract: DNA sequences isolated from Nicotiana species (e.g., Nicotiana benthamiana and Nicotiana tabacum) have SEQ ID NOS: 1, 3, 5 and 7. The DNA sequences encode polypeptides having enzymatic activity for producing zeta-carotene. The polypeptides are referred to as phytoene desaturase.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: July 23, 1996
    Inventors: Wayne P. Fitzmaurice, Gary M. Hellmann, Laurence K. Grill, Monto H. Kumagai, Guy R. della-Cioppa