Patents by Inventor Markus Hohler

Markus Hohler 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 producing amides using catalytic amounts of an N-hydroxy compound
    Patent number: 5750649
    Abstract: A process is disclosed for the manufacture of amides, including peptides, in which a carboxylic acid is reacted with a primary or secondary amine in the presence of a carbodiimide and a catalytic amount of N-hydroxy compound.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: May 12, 1998
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Markus Hohler, Peter Vogt
  • Process for producing amides using catalytic amounts of an N-hydroxy compound
    Patent number: 5536816
    Abstract: A process for the manufacture of amides, including peptides, by reacting a carboxylic acid with a primary or secondary amine in the presence of a carbodiimide and a catalytic amount of a N-hydroxy compound.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: July 16, 1996
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Markus Hohler, Peter Vogt