Extraction cell

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United States of America Patent

PATENT NO 11154157
APP PUB NO 20190053657A1
SERIAL NO

15681228

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An upward flow extraction method, apparatus, and extract are disclosed. The upward flow extraction method can comprise loading extraction material into an extraction cell having a bottom portion and a top portion; introducing a first aliquot of extraction medium through the bottom portion of the extraction cell; expelling gas from the extraction cell through the top portion of the extraction cell; closing the top portion of the extraction cell and increasing the pressure in the extraction cell as extraction medium flows into the bottom portion of the extraction cell; stopping the flow of extraction medium into the extraction cell; steeping the extraction material in the extraction medium under pressure to produce an extract; and introducing a second aliquot of extraction medium through the bottom portion of the extraction cell to push extract through top portion of the extraction cell.

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Patent Owner(s)

Patent OwnerAddress
STARBUCKS CORPORATION2401 UTAH AVENUE SOUTH SEATTLE WA 98134

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murphy, Kieran A Seattle, US 4 2
Rosenkrance, Chelsea L Seattle, US 4 2

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