Patents by Inventor Frank Hatzack

Frank Hatzack 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).

  • Polypeptides having protease activity and nucleic acids encoding same
    Publication number: 20050010037
    Abstract: The invention relates to isolated proteases homologous to a protease derived from a strain of Thermoascus aurantiacus and DNA encoding the same. A homologous polypeptide is derived from Aspergillus oryzae. The proteases can be used in animal feed. The Thermoascus protease is a metalloprotease with an HEIFH motif. The optimum temperature is around 70° C., the optimum pH is around pH6, and the protease is stable over a broad pH range of pH3 to pH10.
    Type: Application
    Filed: December 5, 2002
    Publication date: January 13, 2005
    Inventors: Wenping Wu, Frank Hatzack, Lan Tang