Patents by Inventor Zhi-Hao Qiu

Zhi-Hao Qiu 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).

  • Thermostable polymerase
    Patent number: 6130045
    Abstract: A thermostable enzyme having polymerase activity and substantially no nuclease activity is provided. The thermostable enzyme is characterized by comprising a sequence of nine amino acid residues at least proximal to the N-terminus that has less than 50% but greater than 40% amino acid sequence identity with residues 280 to 288 of the naturally occurring Thermus aquaticus polymerase. The subject enzyme finds use in a variety of different application in which polynucleotides are enzymatically produced, particularly in PCR based applications.
    Type: Grant
    Filed: June 11, 1998
    Date of Patent: October 10, 2000
    Assignee: Clontech Laboratories, Inc.
    Inventors: Helmut Wurst, Zhi-Hao Qiu