Patents by Inventor Matthias Hollmann

Matthias Hollmann 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).

  • Sustained release tablet of a mixture of alginates and polyacrylates
    Patent number: 5230901
    Abstract: A mixture of an alginate and a polyacrylate in a ratio of from 15:1 to 1:2 is suitable for the preparation of depot drug forms.
    Type: Grant
    Filed: October 26, 1992
    Date of Patent: July 27, 1993
    Assignee: Knoll AG
    Inventors: Heinz Einig, Baerbel Stieren, Volker Buehler, Matthias Hollmann