A - Human Necessities – 23 – F
Patent
A - Human Necessities
23
F
99/81
A23F 5/00 (2006.01)
Patent
CA 1038229
ABSTRACT OF THE DISCLOSURE Improved extraction efficiency is achieved in the extraction of soluble coffee solids from roasted and ground coffee with an aqueous extraction liquid by utilizing extraction columns of continually decreasing cross-sectional area in the direction of flow of the aqueous extraction liquid.
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