Patents by Inventor Gregor Leifker

Gregor Leifker 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).

  • Stable salts of O-acetylsalicylic acid with basic amino acids
    Patent number: 7449198
    Abstract: The present invention relates to stable salts of O-acetylsalicylic acid with basic amino acids, a process for their preparation and their use as medicaments.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: November 11, 2008
    Assignee: Bayer Healthcare AG
    Inventors: Gerhard Franckowiak, Hubert Appolt, Gregor Leifker, Hans-Peter Wirges, Wolfram Ledwoch
  • Stable salts of O-acetylsalicylic acid with basic amino acids
    Publication number: 20050009791
    Abstract: The present invention relates to stable salts of O-acetylsalicylic acid with basic amino acids, a process for their preparation and their use as medicaments.
    Type: Application
    Filed: August 9, 2004
    Publication date: January 13, 2005
    Inventors: Gerhard Franckowiak, Hubert Appolt, Gregor Leifker, Hans-Peter Wirges, Wolfram Ledwoch
  • Stable salts of O-acetylsalicylic acid with basic amino acids
    Patent number: 6773724
    Abstract: The present invention relates to stable salts of O-acetylsalicylic acid with basic amino acids, a process for their preparation and their use as medicaments.
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: August 10, 2004
    Assignee: Bayer AG
    Inventors: Gerhard Franckowiak, Hubert Appolt, Gregor Leifker, Hans-Peter Wirges, Wolfram Ledwoch
  • Stable salts of O-acetylsalicylic acid with basic amino acids
    Publication number: 20020091108
    Abstract: The present invention relates to stable salts of O-acetylsalicylic acid with basic amino acids, a process for their preparation and their use as medicaments.
    Type: Application
    Filed: July 16, 2001
    Publication date: July 11, 2002
    Inventors: Gerhard Franckowiak, Hubert Appolt, Gregor Leifker, Hans-Peter Wirges, Wolfram Ledwoch