Patents by Inventor Ralf Steffen

Ralf Steffen 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 preparing (s)-pantoprazole
    Publication number: 20060167262
    Abstract: The invention relates to a novel process for preparing (S)-pantoprazole using a chiral zirconium complex or a chiral hafnium complex.
    Type: Application
    Filed: December 3, 2003
    Publication date: July 27, 2006
    Inventors: Bernhard Kohl, Bernd Muller, Ralf Steffen