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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D—SEPARATION
B01D11/00—Solvent extraction
B01D11/02—Solvent extraction of solids
B01D11/0269—Solid material in other moving receptacles
B01D11/0273—Solid material in other moving receptacles in rotating drums
B01D11/0276—Solid material in other moving receptacles in rotating drums with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. spirals
A—HUMAN NECESSITIES
A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
A23F5/206—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof by extraction of the beans with selective solvents other than water or aqueous bean extracts, including supercritical gases
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FR734881D1931-04-101932-04-08
Apparatus for extracting materials such as alkaloids contained in plants or parts of plants
ExpiredFR734881A
(en)
Apparatus for working under a neutral atmosphere of alterable substances, such as organic substances intended for the preparation of opotherapy tablets and the like