4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Chalcogen bonded directly to ring carbon of the purine ring...

Jean E. Spence

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Caffeine recovery from supercritical carbon dioxide

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...
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Method for decaffeinating coffee materials including a reverse o

Food or edible material: processes – compositions – and products – Processes – Treatment of liquid with nongaseous material other than...
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Method for decaffeinating coffee with a supercritical fluid

Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium
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