Patents by Inventor David C. Litzinger

David C. Litzinger 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).

  • Patent number: 8093356
    Abstract: Modified human interferon polypeptides and uses thereof are provided, including PEGylated human interferon polypeptides with one or more non-naturally encoded amino acids.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: January 10, 2012
    Assignee: Ambrx, Inc.
    Inventors: Anna-Maria A. Hays, Bruce E. Kimmel, Ho Sung Cho, Bee-Cheng Sim, David C. Litzinger, Roberto Mariani, Vadim Kraynov, Nick Knudsen, Thomas O. Daniel, Alan Koder, Stuart Bussell, Junjie Liu, Zhenwei Miao, Theresa Morrow
  • Patent number: 7939496
    Abstract: Modified growth hormone polypeptide and uses thereof are provided.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: May 10, 2011
    Assignee: AMBRX, Inc.
    Inventors: Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy E. Wilson, Bee-Cheng Sim, David C. Litzinger
  • Patent number: 7816320
    Abstract: Formulations of modified human growth hormone polypeptides are provided.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: October 19, 2010
    Assignee: AMBRX, Inc.
    Inventors: Anna-Maria Hays, Ying Buechler, David C. Litzinger
  • Publication number: 20100135959
    Abstract: Modified human interferon polypeptides and uses thereof are provided.
    Type: Application
    Filed: June 2, 2006
    Publication date: June 3, 2010
    Applicant: AMBRX, INC.
    Inventors: Anna-Maria A. Hays Putnam, Bruce E. Kimmel, Ho Sung Cho, Bee-Cheng Sim, David C. Litzinger, Roberto Mariani, Vadim Kraynov, Nick Knudsen, Thomas O. Daniel, Alan Koder, Stuart Bussell, Junjie Liu, Zhenwei Miao, Theresa Morrow
  • Patent number: 7638299
    Abstract: Modified biosynthetic polypeptide molecules, methods for manufacturing, and uses thereof are provided.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: December 29, 2009
    Assignee: Ambrx, Inc.
    Inventors: Ho Sung Cho, Thomas O. Daniel, Anna-Maria Hays, Troy E. Wilson, David C. Litzinger, Roberto Mariani, Bruce E. Kimmel, William M. Keefe
  • Publication number: 20080300163
    Abstract: Modified human four helical bundle (4HB) polypeptides and uses thereof are provided.
    Type: Application
    Filed: January 28, 2005
    Publication date: December 4, 2008
    Applicant: AMBRX, INC.
    Inventors: Ho Sung Cho, Thomas O. Daniel, Richard D. DiMarchi, Anna-Maria Hays, Troy E. Wilson, Bee-Cheng Sim, David C. Litzinger