Patents by Inventor Mirjam Krahenbuhl

Mirjam Krahenbuhl 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: 5215041
    Abstract: The invention relates to a novel method for the manufacture of animal litter using filler materials and additional materials that react with liquid. These filler materials are obtained from a fraction of domestic, industrial and other similar waste and/or paper slurry. The fraction obtained from the waste is pulverized and mixed with the additional materials, the mixture is adjusted to a specific moisture content, subsequently granulated, and the resulting granules with a predetermined particle size are separated.The animal litter manufactured according to the invention ensures a high degree of odor retention, has high absorbing power and a low apparent density.
    Type: Grant
    Filed: October 10, 1991
    Date of Patent: June 1, 1993
    Assignee: Organ-Faser Technology Company N.V.
    Inventor: Mirjam Krahenbuhl