Freeze Drying Aromatic Plant Matter
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United States of America Patent
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Issued Date -
Apr 11, 2024
app pub date -
Nov 11, 2021
filing date -
Nov 11, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A process of freeze-drying plant matter may deploy inert freezing agent to fracture undesirable plant matter into smaller fragments for physical separation from plant buds and flowers, which are rich in aromatic trichomes. The frozen buds and flowers or trichomes are removed from the sieving members used for physical separation and maintained in a frozen state until introduced in a pre-chilled vacuum chamber of a freeze-drying system. The freeze-drying apparatus is configured and deployed in a process that maintains the pressure above about 500 mTorr but below about 1500 mTorr to reduce the plant moisture content to provide a stable product.
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Cited Art Landscape
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