Patents by Inventor Shawn Springfield

Shawn Springfield 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).

  • Publication number: 20060019981
    Abstract: In one aspect, the present invention is directed to a one pot method of preparing intermediates of Formula (V), which are useful in making inhibitors of phosphodiesterase-4: The present invention is also directed to a method of preparing phosphodiesterase inhibitors comprising the Formula (IX, IXa)
    Type: Application
    Filed: November 18, 2003
    Publication date: January 26, 2006
    Inventors: Jennifer Albaneze-Walker, Jerry Murry, Arash Soheili, Shawn Springfield