Patents by Inventor David Ross Lieberman

David Ross Lieberman 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).

  • Stereoselective synthesis of a 4,4-disubstituted cyclohexanepropanoic acid
    Patent number: 7411088
    Abstract: There is provided stereoselective route to a compound of formula I: wherein R represents H or an alkali metal, Ar1 represents 4-chlorophenyl and Ar2 represents 2,5-difluorophenyl.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: August 12, 2008
    Assignees: Merck & Co., Inc., Merck Sharp & Dohme Ltd.
    Inventors: Karel Marie Joseph Brands, Sarah Elizabeth Brewer, Antony John Davies, Ulf H. Dolling, Deborah Camille Hammond, David Ross Lieberman, Jeremy Peter Scott
  • ? v integrin receptor antagonists
    Patent number: 7288655
    Abstract: The present invention relates to the synthesis of intermediates for the preparation of compounds of formula (A): wherein n is 2 or 3 and various salt forms of these compounds.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: October 30, 2007
    Assignees: Merck & Co., Inc., Merck Sharp & Dohme Ltd.
    Inventors: Brian Christopher Bishop, Karel Marie Joseph Brands, Ian Frank Cottrell, Cameron John Cowden, Antony John Davies, Stephen Philip Keen, David Ross Lieberman, Gavin William Stewart