The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2014
Filed:
May. 19, 2011
Gary Maurice Dull, Winston-Salem, NC (US);
John Genus, Winston-Salem, NC (US);
Tommi Ratilainen, Sodertalje, SE;
Per Olof Ryberg, Sodertalje, SE;
Janna Hellström, Macclesfield, GB;
Niklas Wahlström, Macclesfield, GB;
Thomas Wännman, Sodertalje, SE;
Gary Maurice Dull, Winston-Salem, NC (US);
John Genus, Winston-Salem, NC (US);
Tommi Ratilainen, Sodertalje, SE;
Per Olof Ryberg, Sodertalje, SE;
Janna Hellström, Macclesfield, GB;
Niklas Wahlström, Macclesfield, GB;
Thomas Wännman, Sodertalje, SE;
Targacept, Inc., Winston-Salem, NC (US);
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.