Patents by Inventor Ellen Grace Ambegia

Ellen Grace Ambegia 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: 8936942
    Abstract: The present invention provides compositions comprising polytheylyene-dialkyloxypropyl conjugates (PEG-DAA), liposomes, SNALP, and SPLP comprising such compositions, and methods of using such compositions, liposomes, SNALP, and SPLP.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: January 20, 2015
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: James Heyes, Ian MacLachlan, Ellen Grace Ambegia
  • Publication number: 20120058188
    Abstract: The present invention provides compositions and methods for silencing gene expression by delivering nucleic acid-lipid particles comprising a siRNA molecule to a cell.
    Type: Application
    Filed: June 24, 2011
    Publication date: March 8, 2012
    Applicant: Protiva Biotherapeutics, Inc.
    Inventors: Ian MacLachlan, Ellen Grace Ambegia, James Heyes
  • Patent number: 7982027
    Abstract: The present invention provides compositions and methods for silencing gene expression by delivering nucleic acid-lipid particles comprising a siRNA molecule to a cell.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: July 19, 2011
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: Ian MacLachlan, Ellen Grace Ambegia, James Heyes
  • Publication number: 20110091525
    Abstract: The present invention provides compositions comprising polytheylyene-dialkyloxypropyl conjugates (PEG-DAA), liposomes, SNALP, and SPLP comprising such compositions, and methods of using such compositions, liposomes, SNALP, and SPLP.
    Type: Application
    Filed: August 6, 2010
    Publication date: April 21, 2011
    Applicant: Protiva Biotherapeutics, Inc.
    Inventors: James Heyes, Ian MacLachlan, Ellen Grace Ambegia
  • Patent number: 7803397
    Abstract: The present invention provides compositions comprising polytheylyene-dialkyloxypropyl conjugates (PEG-DAA), liposomes, SNALP, and SPLP comprising such compositions, and methods of using such compositions, liposomes, SNALP, and SPLP.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: September 28, 2010
    Assignee: Protiva Biotherapeutics, Inc.
    Inventors: James Heyes, Ian MacLachlan, Ellen Grace Ambegia