Drug – bio-affecting and body treating compositions – Fermentate of unknown chemical structure – Processes of making – purifying or recovering
Patent
1996-05-24
1997-12-23
Rollins, John W.
Drug, bio-affecting and body treating compositions
Fermentate of unknown chemical structure
Processes of making, purifying or recovering
4241951, 424520, 422268, A61K 3846, A61K 3578, A61K 3512
Patent
active
057004641
ABSTRACT:
Small particles and fines included along with larger subdivided solids are treated with liquid 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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