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Apparatus and method for continuous lyophilization

  • US 10,551,122 B2
  • Filed: 12/14/2017
  • Issued: 02/04/2020
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
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1. An apparatus for continuous sublimation of a substance, the apparatus comprising:

  • a processing chamber containing a substantially atmospheric environment, the processing chamber having a plurality of trays vertically stacked therein for cascading therethrough a material containing a substance capable of sublimation to form a sublimate at a predetermined temperature;

    a heater for supplying heated gas to the processing chamber; and

    a desiccant in fluid communication with the processing chamber for maintaining a partial pressure of the substance within the environment within the processing chamber less than a vapor pressure of the substance.

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