Patents by Inventor Friedhelm Luetke Brinkhaus

Friedhelm Luetke Brinkhaus 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).

  • Biosynthesis of zeaxanthin and glycosylated zeaxanthin in genetically engineered hosts
    Patent number: 5684238
    Abstract: DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase, phytoene dehydrogenase-4H, lycopene cyclase, beta-carotene hydroxylase, and zeaxanthin glycosylase, DNA variants and analogs thereof encoding an enzyme exhibiting substantially the same biological activity, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes, zeaxanthin and zeaxanthin diglucoside by recombinant DNA technology in transformed host organisms are disclosed.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: November 4, 1997
    Assignee: Amoco Corporation
    Inventors: Rodney L. Ausich, Friedhelm Luetke Brinkhaus, Indrani Mukharji, John H. Proffitt, James G. Yarger, Huei-Che Bill Yen
  • Beta-carotene biosynthesis in genetically engineered hosts
    Patent number: 5656472
    Abstract: DNA segments encoding the Erwinia herbicola enzymes geranylgeranyl pyrophosphate (GGPP) synthase, phytoene synthase, phytoene dehydrogenase-4H and lycopene cyclase, vectors containing those DNA segments, host cells containing the vectors and methods for producing those enzymes and beta-carotene by recombinant DNA technology in transformed host organisms are disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 12, 1997
    Assignee: Amoco Corporation
    Inventors: Rodney L. Ausich, Friedhelm Luetke Brinkhaus, Indrani Mukharji, John Proffitt, James Yarger, Huei-Che Bill Yen