Drug – bio-affecting and body treating compositions – Fermentate of unknown chemical structure – Processes of making – purifying or recovering
Patent
1997-12-11
1999-04-06
Lankford, Jr., Leon B.
Drug, bio-affecting and body treating compositions
Fermentate of unknown chemical structure
Processes of making, purifying or recovering
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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Lankford , Jr. Leon B.
Tate Christopher R.
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