Patents by Inventor Thomas Wannman

Thomas Wannman 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
  • New Process for the Preparation of Aryl Substituted Olefinic Amines
    Publication number: 20130225827
    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: Application
    Filed: May 19, 2011
    Publication date: August 29, 2013
    Applicants: TARGACEPT, INC., ASTRAZENECA AB
    Inventors: Gary Maurice Dull, John Genus, Tommi Ratilainen, Per Olof Ryberg, Janna Hellstrom, Niklas Wahlstrom, Thomas Wannman
  • Process for the synthesis of alkyl phosphinic acids by initiation of an amine and an amineoxide
    Patent number: 8026384
    Abstract: The present invention relates to a new process for the synthesis of alkyl phosphinic acids, and more particularly to a coupling reaction between an alkylhalide and a hypophosphorous acid derivative in the presence of an amine and an amineoxide.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: September 27, 2011
    Assignee: AstraZeneca AB
    Inventors: Daniel Finnhult, Roger Sohlberg, Fredrik Stalfors, Carina Svensson, Johanna Wachtmeister, Thomas Wannman
  • PROCESS FOR THE SYNTHESIS OF ALKYL PHOSPHINIC ACIDS BY INITIATION OF AN AMINE AND AN AMINEOXIDE
    Publication number: 20100130773
    Abstract: The present invention relates to a new process for the synthesis of alkyl phosphinic acids, and more particularly to a coupling reaction between an alkylhalide and a hypophosphorous acid derivative in the presence of an amine and an amineoxide.
    Type: Application
    Filed: April 30, 2008
    Publication date: May 27, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Daniel Finnhult, Roger Sohlberg, Fredrik Stalfors, Carina Svensson, Johanna Wachtmeister, Thomas Wannman