Patents by Inventor A. David Ward

A. David Ward 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).

  • Phototherapeutic monovinyl and divinyl ether-linked dimers
    Patent number: 4961920
    Abstract: Pure dimer compounds prepared and shown to be effective photosensitizing agents are of the formula ##STR1## wherein one R is vinyl and the other R is hydroxyethyl or vinyl and the pharmaceutically acceptable esters and salts thereof in isolated form.
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: October 9, 1990
    Assignee: Luminis Pty, Ltd.
    Inventor: A. David Ward