Patents by Inventor Boris M. Seletsky

Boris M. Seletsky 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).

  • Hemiasterlin derivatives and uses thereof
    Publication number: 20040229819
    Abstract: The present invention provides compounds having formula (I): 1
    Type: Application
    Filed: September 22, 2003
    Publication date: November 18, 2004
    Inventors: James J. Kowalczyk, Galina Kuznetsov, Shawn Schiller, Boris M. Seletsky, Mark Spyvee, Hu Yang
  • Intermediates in the preparation of macrocyclic analogs
    Patent number: 6469182
    Abstract: Novel intermediates of the formula They are used in the preparation of macrocyclic analogs.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: October 22, 2002
    Assignee: Eisai Co., Ltd.
    Inventors: Bruce A. Littlefield, Monica H. Palme, Boris M. Seletsky, Murray J. Towle, Melvin J. Yu, Wanjun Zheng
  • Intermediate compounds for preparing macrocylcic analogs
    Patent number: 6365759
    Abstract: Intermediate compounds of the formulas for use in the preparation of macrocyclic analogs.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: April 2, 2002
    Assignee: Eisai Co., Ltd.
    Inventors: Bruce A. Littlefield, Monica H. Palme, Boris M. Seletsky, Murray J. Towle, Melvin J. Yu, Wanjun Zheng
  • Macrocyclic analogs and methods of their use and preparation
    Patent number: 6214865
    Abstract: The invention provides halichondrin analogs having pharmaceutical activity, such as anticancer or antimitotic (mitosis-blocking) activity, and methods of identifying agents that induce a sustained mitotic block in a cell after transient exposure of the cell to the agents.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: April 10, 2001
    Assignee: Eisai Co., Ltd.
    Inventors: Bruce A. Littlefield, Monica H. Palme, Boris M. Seletsky, Murray J. Towle, Melvin J. Yu, Wanjun Zheng