Extracting soluble substances from subdivided solids with a wate

Drug – bio-affecting and body treating compositions – Fermentate of unknown chemical structure – Processes of making – purifying or recovering

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Details

4241951, 424520, 422261, 422268, 422273, 422274, A61K 3846, A61K 3512, A61K 3578

Patent

active

058914331

ABSTRACT:
Small particles and fines included along with larger subdivided solids are treated with water base liquid extraction medium to extract soluble solids therein in a process using milli-screens with milli-sized openings of less than about 0.095 inches across. The milli-screen openings may be kept open for the passage of liquids with specially-designed wipers and/or back-flushing from a liquid compartment and/or rotation of the milli-screen past the matrix of subdivided solids, the subdivided solids themselves acting as a screen cleaner. The invention is useful in batch or continuous diffusers for extracting soluble solids from subdivided solids containing small particles and fines.

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