Patents by Inventor Jeffrey Chen-Yie Chien

Jeffrey Chen-Yie Chien 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).

  • Acetate detecting sensor
    Patent number: 6689272
    Abstract: An electrochemical sensor for detecting the presence and amount of acetate in cell culture and fermentation media. The electrochemical sensor has a pH electrode, an internal reference electrode, a special high-tensile strength gas permeable membrane, and internal reference electrolyte such that acetate concentration can be measured using a pretreatment buffer having a pH of about 5.5.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: February 10, 2004
    Assignee: Nova Biomedical Corporation
    Inventors: Ravi Kumar Meruva, Jeffrey Chen-Yie Chien, Chung Chang Young
  • Acetate detecting sensor
    Publication number: 20030010654
    Abstract: An electrochemical sensor for detecting the presence and amount of acetate in cell culture and fermentation media. The electrochemical sensor has a pH electrode, an internal reference electrode, a special high-tensile strength gas permeable membrane, and internal reference electrolyte such that acetate concentration can be measured using a pretreatment buffer having a pH of about 5.5.
    Type: Application
    Filed: April 17, 2001
    Publication date: January 16, 2003
    Inventors: Ravi Kumar Meruva, Jeffrey Chen-Yie Chien, Chung Chang Young