Patents by Inventor Jean-Denis Andre

Jean-Denis Andre 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 1H-imidazo[4,5-c]quinolines
    Patent number: 5578727
    Abstract: A process for the preparation of 1-substituted,4-substituted-1H-imidazo-[4,5-c]quinolines, intermediates in the preparation of such compounds, and processes for the preparation of such intermediates.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: November 26, 1996
    Assignee: Riker Laboratories, Inc.
    Inventors: Jean-Denis Andre, Daniel Lagain
  • 3-Amino or 3-nitro quinoline compounds which are intermediates in preparing 1H-imidazo[4,5-c]quinolines
    Patent number: 4988815
    Abstract: A process for the preparation of 1-substituted, 4-substituted-1H-imidazo[4,5-c]quinolines, intermediates in the preparation of such compounds, and processes for the preparation of such intermediates.
    Type: Grant
    Filed: October 26, 1989
    Date of Patent: January 29, 1991
    Assignee: Riker Laboratories, Inc.
    Inventors: Jean-Denis Andre, Daniel Lagain