Patents by Inventor Theodor Andreas Wollman

Theodor Andreas Wollman 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 diphenyl azetidinone derivatives
    Patent number: 7563888
    Abstract: The present invention is a process for the preparation of diphenylazetidinone derivatives of the formula (I) or forms thereof comprising the substituents X, R1 and/or R2 as defined herein. More specifically, the invention comprises methods for the preparation of these compounds by cyclization of certain ?-amino carboxamides or ?-amino carboxylic esters. These diphenylazetidinone compounds are useful in the treatment of high blood serum cholesterol levels and the maintenance of the reduced cholesterol levels achieved thereby.
    Type: Grant
    Filed: November 7, 2006
    Date of Patent: July 21, 2009
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Joachim-Heiner Jendralla, Guenter Billen, Wendelin Frick, Bernd Junker, Theodor Andreas Wollman