Patents by Inventor Gottfried Kölbl

Gottfried Kölbl 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).

  • Effervescent formulations
    Patent number: 6242002
    Abstract: The invention relates to an effervescent, rapidly disintegrating oral dosage form of (a) an alkali-sensitive active ingredient, (b) an effervescent base comprising at least one of (i) at least one alkaline earth metal carbonate, (ii) an organic edible acid, and (iii) an alkali metal salt of citric acid, and optionally (c) a pharmaceutically acceptable auxiliary ingredient, and to a process for preparing the dosage form.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: June 5, 2001
    Assignee: Arzneimittelwerk Dresden GmbH
    Inventors: Wolfram Tritthart, Mario André Piskernig, Gottfried Kölbl