Patents by Inventor Donald Eugene Pivonka

Donald Eugene Pivonka 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).

  • Method for monitoring solid phase reactions
    Patent number: 5786218
    Abstract: A novel method for monitoring the success or the yield of chemical reactions involving a reactant bound to a solid phase support, or to forecast the success of such reactions, or to quantify the number of deuterium containing groups present in a solid-phase bound sample, using infrared spectroscopy and deuterium-carbon absorbances, along with novel compounds and intermediates useful for carring out the method.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: July 28, 1998
    Assignee: Zeneca Limited
    Inventors: Donald Eugene Pivonka, Keith Russell