Patents by Inventor Thomas Kowar

Thomas Kowar 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).

  • Processes for preparations of 9,11-epoxy steroids and intermediates useful therein
    Publication number: 20080027237
    Abstract: Multiple novel reaction schemes, novel process steps and novel intermediates are provided for the synthesis of 9,11-epoxy steroids.
    Type: Application
    Filed: March 27, 2006
    Publication date: January 31, 2008
    Inventors: John Ng, Chin Liu, Dennis Anderson, Jon Lawson, Joseph Wieczorek, Sastry Kunda, Leo Letendre, Mark Pozzo, Yuen-Lung Sing, Ping Wang, Edward Yonan, Richard Weier, Thomas Kowar, Julio Baez, Bernhard Erb
  • Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
    Publication number: 20050256094
    Abstract: Intermediates in the preparation of 9,11-epoxy steroids are disclosed. Particularly, disclosed are 11,12-epoxy steroid, 4,5-9,11-diepoxy steroid and 12-keto steroid intermediates.
    Type: Application
    Filed: February 7, 2005
    Publication date: November 17, 2005
    Applicant: G. D. Searle & Company
    Inventors: John Ng, Chin Liu, Dennis Anderson, Jon Lawson, Joseph Wieczorek, Sastry Kunda, Leo Letendre, Mark Pozzo, Yuen-Lung Sing, Ping Wang, Edward Yonan, Richard Weir, Thomas Kowar, Julio Baez, Bernhard Erb