Method for preparing raw pollen
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United States of America Patent
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Sep 25, 2012
Grant Date -
Mar 10, 2011
app pub date -
Jul 30, 2010
filing date -
Jul 31, 2009
priority date (Note) -
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Abstract
The present invention relates to a method for preparing raw pollen which is suitable for being used for the preparation of allergen extracts. The method involves instantaneously freezing the pollen immediately after harvesting, optionally followed by drying the frozen pollen by sublimation.
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