Patents by Inventor Thomas Wännman

Thomas Wännman 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).

  • Process for the preparation of aryl substituted olefinic amines
    Patent number: 8703802
    Abstract: An improved process for the preparation of aryl substituted olefinic amines such as (2S)-(4E)-N-methyl-5-[3-(5-isopropoxypyridin)yl]-4-penten-2-amine and (2S)-(4E)-N-methyl-5-[3-(5-methoxypyridin)yl]-4-penten-2-amine and new intermediates used in said process.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: April 22, 2014
    Assignee: Targacept, Inc.
    Inventors: Gary Maurice Dull, John Genus, Tommi Ratilainen, Per Olof Ryberg, Janna Hellström, Niklas Wahlström, Thomas Wännman