Patents by Inventor Joachim Graser

Joachim Graser 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 PRODUCTION OF DRONEDARONE INTERMEDIATES
    Publication number: 20120077995
    Abstract: A process for the production of Dronedarone intermediates of the formula (I), by acylation of 2-(2-hydroxy-5-nitrophenyl)-1-(4-methoxyphenyl)-ethanone, subsequent treatment of the ester with bases and a zeolite (alumosilicate) catalyst and optional subsequent demethylation. This process can be used for the production of Dronedarone.
    Type: Application
    Filed: May 26, 2010
    Publication date: March 29, 2012
    Applicant: SANOFI
    Inventors: Gerhard Kretzschmar, Volker Kraft, Kai Rossen, Joachim Graser