Patents by Inventor Xianyang Qiu

Xianyang Qiu 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: 7736639
    Abstract: Methods of treating cancer in patients in need thereof with human interleukin-18 (IL-18) polypeptides and substitution mutants thereof that are conjugated to water-soluble polymers at specific sites on the human IL-18 protein are disclosed.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: June 15, 2010
    Assignee: GlaxoSmithKline LLC
    Inventors: Narendra Bam, Jacob Bongers, Robert B. Kirkpatrick, Cheryl A. Janson, Zdenka Jonak, Xianyang Qiu, Ping Yeh, Kyung Johanson
  • Publication number: 20080206189
    Abstract: Human interleukin-18 (IL-18) polypeptides and substitution mutants thereof were conjugated to water-soluble polymers at specific sites on the human IL-18 protein. These conjugated human IL-18 and substitution mutants thereof retain biological activity. These conjugated cytokines demonstrate enhanced and unexpected biological properties when compared to the corresponding unconjugated cytokines.
    Type: Application
    Filed: December 21, 2007
    Publication date: August 28, 2008
    Inventors: Narendra BAM, Jacob Bongers, Robert B. Kirkpatrick, Cheryl A. Janson, Zdenka Jonak, Xianyang Qiu, Ping Yeh, Kyung Johanson
  • Patent number: 7311902
    Abstract: Human interleukin-18 (IL-18) polypeptides and substitution mutants thereof were conjugated to water-soluble polymers at specific sites on the human IL-18 protein. These conjugated human IL-18 and substitution mutants thereof retain biological activity. These conjugated cytokines demonstrate enhanced and unexpected biological properties when compared to the corresponding unconjugated cytokines.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: December 25, 2007
    Assignee: SmithKline Beecham Corporation
    Inventors: Narendra Bam, Jacob Bongers, Robert B. Kirkpatrick, Cheryl A. Janson, Zdenka Jonak, Xianyang Qiu, Ping Yeh, Kyung Johanson
  • Publication number: 20050008615
    Abstract: Human interleukin-18 (IL-18) polypeptides and substitution mutants thereof were conjugated to water-soluble polymers at specific sites on the human IL-18 protein. These conjugated human IL-18 and substitution mutants thereof retain biological activity. These conjugated cytokines demonstrate enhanced and unexpected biological properties when compared to the corresponding unconjugated cytokines.
    Type: Application
    Filed: April 14, 2004
    Publication date: January 13, 2005
    Inventors: Narendra Bam, Jacob Bongers, Robert Kirkpatrick, Cheryl Janson, Zdenka Jonak, Xianyang Qiu, Ping Yeh, Kyung Johanson