Solvent extraction process
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United States of America Patent
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Issued Date -
Jun 3, 2004
app pub date -
Nov 24, 2003
filing date -
Nov 6, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is described. The process comprises the steps of (1) contacting the raw material with an extraction solvent comprising a heptafluoropropane so as to extract the compound or composition from the raw material into the solvent, and (2) separating the solvent containing the extracted compound or composition from raw material. The process is particularly adapted for extracting flavours, fragrances and neutraceuticals from materials of plant origin.
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