Patents by Inventor Franz Hausler

Franz Hausler 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).

  • Pharmaceutical chewing gum containing acetylsalicylic acid
    Patent number: 5922347
    Abstract: The invention relates to stable, pharmaceutically usable chewing gum formulations which contain acetylsalicylic acid (ASA) as the active compound, and to a process for their preparation.
    Type: Grant
    Filed: January 29, 1993
    Date of Patent: July 13, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Franz Hausler, Joachim Maasz, Thomas Valeri
  • Antacid preparation having a prolonged gastric residence time
    Patent number: 5213794
    Abstract: The present invention relates to an antacid preparation having a prolonged gastric residence time, comprising an antacid active substance, calcium polycarbophil and a water-insoluble, anionic polymer.
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: May 25, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Christian Fritsch, Franz Hausler, Jurgen Seedig