Patents by Inventor Raju A. Penmasta

Raju A. Penmasta 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).

  • 1?-Hydroxyvitamin D5, its synthesis and use in cancer prevention
    Patent number: 6900191
    Abstract: A compound of formula I: wherein R1 is hydrogen, R2 is —CH3, R3 is —CH3, and R4 is hydrogen, useful in cancer prevention and therapy.
    Type: Grant
    Filed: January 20, 1998
    Date of Patent: May 31, 2005
    Assignee: OncQuest, Inc.
    Inventors: Robert M. Moriarty, Raju A. Penmasta, Liang Guo, Munagala S. Rao, Rajendra G. Mehta
  • Synthesis of 1.alpha.-hydroxy vitamin D
    Patent number: 5869472
    Abstract: A method for 1.alpha.-hydroxylation of vitamin D compounds using the appropriate vitamin D as the starting material. The method requires no separatory procedures prior to the actual hydroxylation step.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: February 9, 1999
    Assignee: Bone Care International, Inc.
    Inventors: Robert M. Moriarty, Liang Guo, Raju A. Penmasta