Patents Represented by Attorney Albert Wai-Kit Cooper & Dunham LLP Chan

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  • Polymerase chain reaction-restriction fragment length polymorphism test for the authentication of traditional chinese medicines
    Patent number: 5876977
    Abstract: This invention provides a procedure for authentication of plant and animal materials used as traditional Chinese medicine is described. This method amplifies and detects the discrete and species-specific RFLP patterns in the region of rDNA. The present invention offers a reliable and definite way to identify morphologically similar Chinese medicine, using a minute amount of biological samples. Its application in the authentication of American and Oriental ginsengs is illustrated in detail.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: March 2, 1999
    Assignee: The Chinese University of Hong Kong
    Inventors: Jun Wang, Shaw Pang Chui, Paul Pui-Hay But, Ngan Fai Ngor Karenda