Patents by Inventor Frank Raddatz

Frank Raddatz 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: 5074474
    Abstract: Biological material is suspended in a liquid and, in the presence of reverberative bodies suspended in the suspension of biological material, subjected to ultrasound thereby to disintegrate the biological material. The disintegration is conducted in a spherical chamber at approximately the center of which is the radiating surface of a sonotrode. The diameter of the chamber is at least three times the diameter of the radiating surface and the radiating surface faces the bottom of the chamber. The suspension of the biological material is pumped upwards through the chamber.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: December 24, 1991
    Assignee: VEB Berlin-Kosmetik
    Inventors: Karin Golz, Rainer Jung, Sebastian Kaehler, Frank Raddatz, Wilhelm Schelle, Frank Vogel, Renate Winkler