Process for the extraction of caffeine from super-critical solutions
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United States of America Patent
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Oct 25, 1983
Issued Date -
N/A
app pub date -
Feb 9, 1981
filing date -
Aug 18, 1976
priority date (Note) -
Expired
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Abstract
A process for extracting caffeine from raw coffee, roast coffee, tea and the like. Super-critical carbon dioxide is used as extracting agent, and ion-exchangers are used to absorb the caffeine, and are subsequently regenerated by use of aqueous regenerating agents.
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