Patents by Inventor Markus Stoeppler

Markus Stoeppler 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).

  • Method of and apparatus for centrifugal separation of liquid phases
    Patent number: 4203840
    Abstract: A centrifuge tube for the separation of liquid phases in a liquid/liquid raction process is provided with a tube reaching below the upper phase and into the lower phase which receives a centrifugally ejectable block. After insertion of the tube and stratification of the liquid phases, the system is again subjected to centrifugation to remove the block and allow the lower phase to be withdrawn, e.g. through a disposable pipette.
    Type: Grant
    Filed: December 20, 1971
    Date of Patent: May 20, 1980
    Assignee: Kernforschungsanlage Julich Gesellschaft mit Beschrankter Haftung
    Inventors: Markus Stoeppler, Ivan Havezov