Patents by Inventor Richard H. Yu

Richard H. Yu 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).

  • PROCESS FOR PREPARATION OF HIV PROTEASE INHIBITORS
    Publication number: 20110065631
    Abstract: A process for the synthesis of bisfuran intermediates of formula (0) useful for preparing antiviral HIV protease inhibitor compounds is hereby disclosed. Furthermore disclosed is a HIV protease inhibitor of formula (IV) as well as various intermediates thereof.
    Type: Application
    Filed: March 29, 2007
    Publication date: March 17, 2011
    Applicant: Gilead Sciences, Inc
    Inventors: Kenneth R. Crawford, Eric D. Dowdy, Arnold Gutierrez, Richard Polniaszek, Richard H. Yu
  • Cellular accumulation of phosphonate analogs of HIV protease inhibitor compounds
    Patent number: 7649015
    Abstract: Phosphonate substituted compounds with HIV protease inhibitory properties having use as therapeutics and for other industrial purposes are disclosed. The compositions inhibit HIV protease activity and/or are useful therapeutically for the treatment of AIDS and other antiviral infections, as well as in assays for the detection of HIV protease.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: January 19, 2010
    Assignee: Gilead Sciences, Inc.
    Inventors: Murty N. Arimili, Xiaowu Chen, Maria Fardis, Gong-Xin He, Haolun Jin, Choung U. Kim, William A. Lee, Kuei-Ying Lin, Hongtao Liu, Richard L. Mackman, Michael L. Mitchell, Hyung-Jung Pyun, Mark Sparacino, Sundaramoorthi Swaminathan, Jianying Wang, Matthew A. Williams, Lianhong Xu, Zheng-Yu Yang, Richard H. Yu, Jiancun Zhang, Lijun Zhang