Patents by Inventor Thomas Letzel

Thomas Letzel 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).

  • Continuous-flow enzyme assay
    Publication number: 20050239152
    Abstract: The present invention relates to an on-line detection method comprising the steps of: contacting an effluent of a fractionation step with a controlled amount of an enzyme; allowing the enzyme to interact with analytes suspected to be present in the effluent; addition of a controlled amount of a substrate for said enzyme; allowing a reaction of the enzyme with the substrate providing one or more modified substrate products; and detection of unreacted substrate, or a modified substrate product using a mass spectrometer.
    Type: Application
    Filed: May 30, 2003
    Publication date: October 27, 2005
    Applicant: Kiadis B.V.
    Inventors: Hubertus Irth, Thomas Letzel