Patents by Inventor Andreas Bitterhof

Andreas Bitterhof 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).

  • Breast-milk absorbent pad
    Patent number: 6676645
    Abstract: A breast-milk absorbent pad includes an absorbent layer especially made of a fiber material and, optionally, with super-absorbent hydrogel materials, that absorbs liquids. The absorbent pad additionally includes chitosan to better use the absorbing capacity of the absorbent layer.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: January 13, 2004
    Assignee: Paul-Hartmann-Strasse AG
    Inventor: Andreas Bitterhof