Patents by Inventor Edward D. Daugs

Edward D. Daugs 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).

  • Mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and ace
    Patent number: 5527795
    Abstract: The present invention relates to certain novel mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and of ACE.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: June 18, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Gary A. Flynn, Philippe Bey, Alan M. Warshawsky, Douglas W. Beight, Shujaath Mehdi, Eugene L. Giroux, Timothy P. Burkholder, Edward D. Daugs, John F. French
  • Mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and ACE
    Patent number: 5491143
    Abstract: The present invention relates to certain novel mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and of ACE.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: February 13, 1996
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Gary A. Flynn, Philippe Bey, Alan M. Warshawsky, Douglas W. Beight, Shujaath Mehdi, Eugene L. Giroux, Timothy P. Burkholder, Edward D. Daugs, John F. French
  • Mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and ace
    Patent number: 5430145
    Abstract: The present invention relates to certain novel mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and of ACE.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: July 4, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Gary A. Flynn, Philippe Bey, Alan M. Warshawsky, Douglas W. Beight, Shujaath Mehdi, Eugene L. Giroux, Timothy P. Burkholder, Edward D. Daugs, John F. French
  • Process for the production of 2-imidazolones
    Patent number: 5338862
    Abstract: The present invention pertains to a process for producing a 2-imidazolone from a ureidoacetal. The ureidoacetal is subjected to an acid catalyzed condensation in order to produce the 2-imidazolone. The reaction is conducted in an alcoholic solvent in order to minimize the production of a polymeric by-product.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: August 16, 1994
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Charles E. Aiman, Edward D. Daugs