Patents by Inventor Hans-Peter Hohnmann

Hans-Peter Hohnmann 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).

  • Mutant GTP cyclohydrolase II enzymes
    Patent number: 7989189
    Abstract: The present invention relates to modified GTP cyclohydrolase II enzymes that display increased specific activity, and to polynucleotides encoding them. The invention further pertains to vectors comprising these polynucleotides and host cells containing such vectors. The invention provides a method for producing the modified enzyme and a method for producing riboflavin, a riboflavin precursor, FMN, FAD, or a derivative thereof.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: August 2, 2011
    Assignee: DSM IP Assets B.V.
    Inventors: Sybille Ebert, Hans-Peter Hohnmann, Martin Lehmann, Nigel John Mouncey, Markus Wyss
  • Enzymes
    Publication number: 20080193998
    Abstract: The present invention relates to modified GTP cyclohydrolase II enzymes that display increased specific activity, and to polynucleotides encoding them. The invention further pertains to vectors comprising these polynucleotides and host cells containing such vectors. The invention provides a method for producing the modified enzyme and a method for producing riboflavin, a riboflavin precursor, FMN, FAD, or a derivative thereof.
    Type: Application
    Filed: July 7, 2005
    Publication date: August 14, 2008
    Inventors: Sybille Ebert, Hans-Peter Hohnmann, Martin Lehmann, Nigel John Mouncey, Markus Wyss