Patents by Inventor Ronald E. Diehl

Ronald E. Diehl 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).

  • Genes for the subunits of human farnesyl-protein transferase
    Patent number: 5821118
    Abstract: The present invention relates to an assay useful in determining the farnesyl-protein transferase inhibitory activity of pharmaceutical agents. The assay employs purified human farnesyl-protein transferase which is prepared by gene expression in Escherichia coli.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: October 13, 1998
    Assignee: Merck & Co., Inc.
    Inventors: Charles A. Omer, Ronald E. Diehl, Jackson B. Gibbs, Nancy E. Kohl
  • Protein prenyltransferase
    Patent number: 5789558
    Abstract: The present invention relates, in general, to a protein prenyltransferase and, in particular, to protein geranylgeranyltransferase (GGTase-I) and to a nucleic acid sequence encoding same. The invention also relates to methods of producing GGTase-I and geranylgeranyl modified polypeptides. The invention further relates to a method of screening compounds for the ability to alter GGTase-I activity.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: August 4, 1998
    Assignees: Merck & Co., Inc., Duke University
    Inventors: Patrick J. Casey, Fang Zhang, Ronald E. Diehl, Nancy E. Kohl, Charles A. Omer