Lyophilisation targeting defined residual moisture by limited desorption energy levels
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United States of America Patent
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Issued Date -
Jul 24, 2008
app pub date -
Jun 19, 2007
filing date -
Jun 20, 2006
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Abandoned
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Abstract
A process of freeze drying of an essentially aqueous solution comprising at least one first step having a first temperature and pressure level (i.e. primary drying phase) and at least one second step having a second temperature and pressure level (i.e. secondary drying phase) following the first step, wherein in the secondary drying phase limited desorption energy input is applied.
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