Patents by Inventor Lukas Utiger

Lukas Utiger 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 nicotinamide
    Patent number: 5719045
    Abstract: A process for preparing nicotinamide, wherein, in the first stage, 2-methyl-1,5-diaminopentane is catalytically converted into 3-picoline, then the 3-picoline is converted via an ammonoxidation into 3-cyanopyridine and, finally, the 3-cyanopyridine is converted microbiologically into the nicotinamide.
    Type: Grant
    Filed: October 31, 1996
    Date of Patent: February 17, 1998
    Assignee: Lonza AG
    Inventors: Josef Heveling, Erich Armbruster, Lukas Utiger, Markus Rohner, Hans-Rudolf Dettwiler, Roderick J. Chuck