Patents by Inventor Steven Hansel

Steven Hansel 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).

  • Methods of treating cancer using C-4 carbonate taxanes
    Publication number: 20050250844
    Abstract: A process for the preparation of novel C-4 carbonate taxanes useful as antitumor agents.
    Type: Application
    Filed: March 22, 2005
    Publication date: November 10, 2005
    Inventors: John Kadow, Harold Mastalerz, Qiufen Xue, Steven Hansel, Mary Zoeckler, William Rose, James Tarrant
  • C-4 carbonate taxanes
    Patent number: 6750246
    Abstract: The present invention concerns novel taxane derivatives, their use as antitumor agents, and pharmaceutical formulations. The invention claims compounds of formula I and the use of compounds of formula I or pharmaceutical salts thereof as oral drugs for the treatment of human or veterinary disease. in which: R is phenyl, isopropyl, or tert butyl; R1 is —C(O)Rz in which Rz is (CH3)3CO—, (CH3)3CCH2—, CH3(CH2)3O—, cyclobutyl-, cyclohexyloxy, or (2-furyl); R2 is CH3C(O)O—.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: June 15, 2004
    Assignee: Bristol-Myers Squibb Company
    Inventors: John F. Kadow, Harold Mastalerz, Qiufen May Xue, Steven Hansel, Mary Edson Zoeckler, William C. Rose, James G. Tarrant