Patents by Inventor Albrecht Grieben

Albrecht Grieben 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).

  • Process for the preparation of bone cement
    Patent number: 5145250
    Abstract: A process for the preparation of bone cement for subsequent introduction into the cavity of a bone serving to receive a prosthesis. The components serving for the production of the bone cement are introduced into a cartridge and mixed together during a mixing phase and subsequently undergo a further resting phase. The mixing phase and the resting phase are under automatic program control.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: September 8, 1992
    Assignee: Merck Patent Gesellschaft mit beschraenkter Haftung
    Inventors: Heinrich Planck, Christoph Elser, Albrecht Grieben, Werner Ege