Patents by Inventor Christian Pflugshaupt

Christian Pflugshaupt 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).

  • Patent number: 5401514
    Abstract: The compact, solid drug preparation, which contains N-acetylcysteine and/or S-(carboxymethyl)-L-cysteine, is suitable, despite small amounts of inactive ingredients, both for swallowing and for sucking or dissolving in water or an aqueous solution. The compactness of the drug preparation is guaranteed by a high proportion of active ingredients--more than 50% of the total weight--and by a suitable choice of a tableting adjuvant.
    Type: Grant
    Filed: August 2, 1993
    Date of Patent: March 28, 1995
    Assignee: Spirig AG, Pharmazeutische Praeparate
    Inventors: Rolf-Dieter Juch, Gerd Birrenbach, Christian Pflugshaupt