Patents by Inventor Alexander Vetter

Alexander Vetter 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 the production of 2-(2-ethoxyphenyl)-substituted imidazotriazinones
    Patent number: 7022847
    Abstract: The invention relates to a method for the production of 2-phenyl-substituted imidazotriazinones of general formula (I), comprising the reaction of compounds of formula (II) with compounds of formula (III) and subsequent reaction with iodine or bromine, then with a metal cyanide and reaction with an acid.
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: April 4, 2006
    Assignee: Bayer HealthCare Aktiengesellschaft
    Inventors: Marc Nowakowski, Alexander Vetter
  • Method for the production of 2-(2-ethoxyphenyl)-substituted imidazotriazinones
    Publication number: 20040097505
    Abstract: The invention relates to a method for the production of 2-phenyl-substituted imidazotriazinones of general formula (I), comprising the reaction of compounds of formula (II) with compounds of formula (III) and subsequent reaction with iodine or bromine, then with a metal cyanide and reaction with an acid.
    Type: Application
    Filed: January 5, 2004
    Publication date: May 20, 2004
    Inventors: Marc Nowakowski, Alexander Vetter