Patents Examined by Tamthomt T. Ngo
  • 7-isoindolinyl-quinolone derivatives and 7-isoindolinyl-naphthyridone derivatives
    Patent number: 5739339
    Abstract: The invention relates to novel quinolone derivatives and naphthyridone derivatives which are substituted in the 7-position by a partially hydrogenated isoindolinyl ring, to processes for their preparation and to antibacterial agents and feed additives containing them.
    Type: Grant
    Filed: May 17, 1996
    Date of Patent: April 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Philipps, Stephan Bartel, Andreas Krebs, Uwe Petersen, Thomas Schenke, Klaus-Dieter Bremm, Rainer Endermann, Karl Georg Metzger, Burkhard Mielke