Patents by Inventor Peter Karl Matzinger

Peter Karl Matzinger 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).

  • Asymmetric synthesis process
    Patent number: 6914140
    Abstract: A novel process for the manufacture of compounds of the formula wherein R1 and R2 independently represent aroyl. The present invention also concerns novel intermediates used in the novel process for making compounds of formula I.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: July 5, 2005
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Peter Karl Matzinger, Michelangelo Scalone, Ulrich Zutter
  • Asymmetric synthesis of azepines
    Patent number: 6069245
    Abstract: A novel process for the manufacture of compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently represent aroyl. The present invention also concerns novel intermediates used in the novel process for making compounds of formula I.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: May 30, 2000
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Peter Karl Matzinger, Michelangelo Scalone, Ulrich Zutter
  • Assymetric synthesis of azepines
    Patent number: 5902882
    Abstract: A novel process for the manufacture of compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 independently represent aroyl. The present invention also concerns novel intermediates used in the novel process for making compounds of formula I.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: May 11, 1999
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Peter Karl Matzinger, Michelangelo Scalone, Ulrich Zutter