Patents by Inventor Dieter Wehmeier

Dieter Wehmeier 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).

  • Method for preparing 4-[17?-methoxy-17?-methoxymethyl-3-oxoestra-4,9-dien-11?-yl]benzaldehyde (E)-oxime (asoprisnil)
    Patent number: 8324412
    Abstract: The present invention relates to a method for the reliable and reproducible preparation of 4-[17?-methoxy-17?-methoxymethyl-3-oxoestra-4,9-dien-11?-yl]benzaldehyde (E)-oxime (asoprisnil) on the pilot and manufacturing scale. Asoprisnil, which is prepared by this method, is distinguished by a very good physical stability and is therefore particularly suitable for the manufacture of solid pharmaceutical forms (tablets, coated tablets, etc.).
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: December 4, 2012
    Assignee: Bayer Pharma AG
    Inventors: Detlef Grawe, Sabine Gliesing, Hagen Gerecke, Peter Hoesel, Uwe Mueller, Thomas Michel, Robert Eilers, Uwe Knabe, Bernd Erhart, Michael Mosebach, David Voigtlaender, Ulf Tilstam, Jürgen Jacke, Klaus Bahl, Ulf Bohlmann, Dieter Wehmeier, Michael Sander
  • METHOD FOR PREPARING 4-[17BETA-METHOXY-17ALPHA-METHOXYMETHYL-3-OXOESTRA-4,9-DIEN-11-BETA-YL]BENZALDEHYDE (E)-OXIME (ASOPRISNIL)
    Publication number: 20110257142
    Abstract: The present invention relates to a method for the reliable and reproducible preparation of 4-[17?-methoxy-17?-methoxymethyl-3-oxoestra-4,9-dien-11?-yl]benzaldehyde (E)-oxime (asoprisnil) on the pilot and manufacturing scale. Asoprisnil, which is prepared by this method, is distinguished by a very good physical stability and is therefore particularly suitable for the manufacture of solid pharmaceutical forms (tablets, coated tablets, etc.).
    Type: Application
    Filed: January 10, 2011
    Publication date: October 20, 2011
    Inventors: Detlef Grawe, Sabine Gliesing, Hagen Gerecke, Peter Hoesel, Uwe Mueller, Thomas Michel, Robert Eilers, Uwe Knabe, Bernd Erhart, Michael Mosebach, David Voigtlaender, Ulf Tilstam, Jürgen Jacke, Klaus Bahl, Ulf Bohlmann, Dieter Wehmeier, Michael Sander