Patents by Inventor Siefried Wolf

Siefried Wolf 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).

  • Intermediates in cephalosporin production
    Publication number: 20040192909
    Abstract: A salt of PACA with an amidine and its use in the production of cefprozil.
    Type: Application
    Filed: January 30, 2004
    Publication date: September 30, 2004
    Inventors: Julia Greil, Johannes Ludescher, Siefried Wolf