Patents by Inventor Nga M. Do

Nga M. Do 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).

  • Benzyl(idene)-lactam derivatives
    Patent number: 7479559
    Abstract: The present invention relates to novel benzyl(idene)-lactam derivatives, compounds of the formula I wherein R1 is a group of the formula G1 or G2 depicted below, wherein R1, R3, R6, R13 X, a, n and m are as defined herein, their pharmaceutically acceptable salts, and pharmaceutical compositions which include selective antagonists, inverse agonists and partial agonists of serotonin 1 (5-HT1) receptors, specifically, of one or both of the 5-HT1A and 5-HT1B receptors. The compounds of the invention are useful in treating or preventing depression, anxiety, obsessive compulsive disorder (OCD) and other disorders for which a 5-HT1 agonist or antagonist is indicated and have reduced potential for cardiac side effects, in particular QTc prolongation.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: January 20, 2009
    Assignee: Pfizer Inc.
    Inventors: Michael Aaron Brodney, Stephane Caron, Christopher John Helal, Jeffrey W. Raggon, Yong Tao, Nga M. Do
  • Process for preparing haloalkyl pyrimidines
    Publication number: 20040063938
    Abstract: The invention is a process for producing haloalkyl pyrimidines as intermediates in the production of benzimidazole and/or pyridylimidazole derivatives having high selectivity and/or high affinity to the benzodiazepine site of GABAA receptors.
    Type: Application
    Filed: June 10, 2003
    Publication date: April 1, 2004
    Applicant: Pfizer Inc
    Inventors: Stephane Caron, Nga M. Do, Ruth E. McDermott, Robert A. Singer