Patents by Inventor Phillip Ruprecht

Phillip Ruprecht 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).

  • Reagent stabilization in enzyme-donor and acceptor assay
    Patent number: 4956274
    Abstract: A method of stabilizing .beta.-galactosidase peptide fragments against storage degradation for use in a complementation assay which comprises storing the peptide fragment in a storage medium containing an ionic surfactant or a surfactant derived from a sugar residue and adding a cyclodextrin to the storage medium after storing the peptide fragments but before using them in a complementation assay.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: September 11, 1990
    Assignee: Microgenics Corporation
    Inventors: Pyare L. Khanna, Robert Dworschack, Phillip Ruprecht