Patents Examined by Michael P. Parker
  • Fused pyrrolocarbazoles
    Patent number: 7169802
    Abstract: The present invention relates generally to selected fused pyrrolocarbazoles, including pharmaceutical compositions thereof and methods of treating diseases therewith. The present invention is also directed to intermediates and processes for making these fused pyrrolocarbazoles.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: January 30, 2007
    Assignee: Cephalon, Inc.
    Inventors: Robert L. Hudkins, Allison L. Zulli, Dandu R. Reddy, Diane E. Gingrich, Ming Tao, Nadine C. Becknell, James L. Diebold, Theodore L. Underiner
  • Triptolide derivatives as immunomodulators and anticancer agents
    Patent number: 7019151
    Abstract: Compounds having the structure I: are useful for inducing cell death (apoptosis) and in immunosuppression. In structure I, R1 is H or R, R being selected from lower alkyl, alkenyl, alkynyl, and allenyl, or, R1 together with R2=O (oxo); R2=OH, or, R1 and R2 together=O (oxo); CR3R5 and CR4R6 are selected from CH2, CHOH and CROH; at least one of R1, R5 and R6 is R; and at least one of CR3R5 and CR4R6 is CH2.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: March 28, 2006
    Assignee: Pharmagenesis, Inc.
    Inventors: Dongcheng Dai, John H. Musser