Patents by Inventor Stephan D. Daubney

Stephan D. Daubney 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).

  • Acetaldehyde trapping system
    Patent number: 5112741
    Abstract: The invention provides a reagent system for the enzymatic determination of an oxidizable substrate in a fluid sample; the system includes an active amine trap for inactivating high concentrations of aldehyde and ketone oxidation products comprising a combination of at least one primary amine and at least one alpha-effect amine. An example of the oxidizable substrate is alcohol.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: May 12, 1992
    Assignee: Enzymatics, Inc.
    Inventors: John L. Palmer, Marsha W. Timmerman, Stephan D. Daubney