Patents by Inventor James E. Ollmann

James E. Ollmann 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).

  • 2-deoxyuridines and riboside precursors
    Patent number: 4898936
    Abstract: A process is provided for the preparation of certain 2-deoxyuridines including the steps forming a substituted alkyl 5-O-"protected"-2-deoxyribofuranoside, hydrocarbylating the latter compound, and condensing the hydrocarbylated compound in the presence of a Lewis or Bronsted acid with a silyluracil to form a uridine. Several tritylated ribofuranosides are novel compounds per se.
    Type: Grant
    Filed: September 19, 1985
    Date of Patent: February 6, 1990
    Assignee: PCR, Inc.
    Inventors: James E. Ollmann, Ralph J. DePasquale