Patents by Inventor Charles Minnan Cheng

Charles Minnan Cheng 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).

  • Assay for aminoglycoside antibiotics
    Patent number: 5858805
    Abstract: This invention is directed to the use of polycarboxylic acid polymers to enhance the performance of immunochemical assays for the quantitation of aminoglycoside antibiotics in biological samples. This invention is also concerned with the improved homogeneous, immunochemical detection assays resulting from the use of said polycarboxylic acid polymers in said assays.
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: January 12, 1999
    Assignee: Roche Diagnostic Systems, Inc.
    Inventor: Charles Minnan Cheng