Patents by Inventor Ronald H. Rynbrandt

Ronald H. Rynbrandt 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).

  • 1,2,3-thiadiazole compounds, compositions and method of anti-thrombotic treatment
    Patent number: 5098918
    Abstract: Novel 1,2,3-thiadiazole compounds, new and old 1,2,3-thiadiazole compositions and method of anti-thrombotic treatment are systemically administered to a human or animal.
    Type: Grant
    Filed: June 4, 1987
    Date of Patent: March 24, 1992
    Assignee: The Upjohn Company
    Inventors: Edward W. Thomas, Ronald H. Rynbrandt, deceased
  • Pyrrolizidine-3-ones
    Patent number: 4581462
    Abstract: The present invention provides certain 2,3-didehydro-5-oxopyrrolizidinones and indolizidinones which are useful as lipid-altering and anti-atherosclerotic agents.
    Type: Grant
    Filed: August 25, 1983
    Date of Patent: April 8, 1986
    Assignee: The Upjohn Company
    Inventors: Ernest W. Yankee, Ronald H. Rynbrandt, deceased
  • Dianisyl thiazole compound, compositions and method of antithrombotic treatment
    Patent number: 4168315
    Abstract: Novel compounds of Formula I: ##STR1## in association with a pharmaceutical carrier. The compositions are useful in vitro and in vivo for reduction of platelet adhesiveness and inhibition of platelet aggregation and preventing or treating disease conditions resulting from increased platelet adhesiveness or platelet aggregation.
    Type: Grant
    Filed: September 28, 1977
    Date of Patent: September 18, 1979
    Assignee: The Upjohn Company
    Inventors: Ronald H. Rynbrandt, Edward E. Nishizawa