×

Apparatus and method for continuous lyophilization

  • US 8,528,225 B2
  • Filed: 11/19/2010
  • Issued: 09/10/2013
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
Patent Images

1. A method for the continuous sublimation of a substance, the method comprising:

  • cascading a material containing a substance capable of sublimation between a plurality of trays vertically stacked within a processing zone provided within a processing chamber;

    maintaining a substantially atmospheric environment within the processing zone and at a temperature whereby the substance sublimes forming a sublimate within the environment;

    recovering the sublimate from the environment; and

    contacting the environment after recovering the sublimate therefrom with a drying agent to maintain the environment whereby the substance sublimes at substantially atmospheric pressure at the temperature.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×