Patents Assigned to Assaf Pharmaceutical Industries Ltd.
  • Separation of materials from a liquid dispersion by sedimentation
    Patent number: 4824560
    Abstract: Sedimentation classification of particulate material in liquid dispersion. The dispersion is centrifuged in a tubular vessel comprising at least two neighboring compartments communicating via at least one opening which may be capillary. The lowermost compartment has a sealed bottom and the uppermost has an open upper end. Upon completion of the centrifugation a liquid fraction with dispersed particulate material is decanted from the uppermost compartment. Useful products may also be recovered from other compartments.
    Type: Grant
    Filed: April 4, 1986
    Date of Patent: April 25, 1989
    Assignee: Assaf Pharmaceutical Industries Ltd.
    Inventor: Benjamin Alspector