Patents by Inventor Andreas W{umlaut over (a)}chtler

Andreas W{umlaut over (a)}chtler 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).

  • 4-(4-oxocyclohexyl) benzamides as intermediate products for medicaments
    Patent number: 6177594
    Abstract: Benzamides of the formula I: wherein R1 and R2 independently of one another are each alkyl having 1-6 C atoms, or R1 and R2 together are alkylene, and their salts, are suitable as intermediates in the synthesis of drugs.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: January 23, 2001
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Andreas W{umlaut over (a)}chtler, Margit Stern, Volker Reiffenrath