Patents by Inventor Richard A. Buzon

Richard A. Buzon 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).

  • Novel processes and intermediates for preparing triazolo-pyridines
    Publication number: 20040053959
    Abstract: The present invention relates and intermediates to a novel process for preparing triazolo-pyridines of the formula I 1
    Type: Application
    Filed: August 27, 2003
    Publication date: March 18, 2004
    Applicant: Pfizer Inc.
    Inventors: Richard A. Buzon, Michael J. Castaldi, Zhengong B. Li, David H. B. Ripin, Yong Tao
  • Spirostanyl glycosidal crystals
    Patent number: 5804562
    Abstract: Crystalline spirostanyl glycosides and processes for making them are disclosed. The crystalline spirostanyl glycosides are useful for treatment of hypercholesterolemia or atherosclerosis.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: September 8, 1998
    Assignee: Pfizer Inc.
    Inventors: Douglas John Allen, Richard A. Buzon, Michael P. Deninno, Harry Austin Watson, Jr., Jonathan B. Zung